🕷️ Crawler Inspector

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Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 198 (from laksa188)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa198.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://undertale.fandom.com/wiki/W._D._Gaster\')), getAhrefsUnparsedNoserviceFromURL(\'https://undertale.fandom.com/wiki/W._D._Gaster\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster","crawl_time":1775743929,"first_indexed_time":1548665225,"http_code":200,"src_unparsed":"com,fandom!undertale,\/wiki\/W._D._Gaster s443","src_root_hash":"11439660390604180198","history_drop_reason":null,"meta_title":"W. D. Gaster | Undertale Wiki | Fandom","meta_descriptions":["Beware of the man who speaks in hands. River Person Dr. W. D. Gaster is a mysterious character who was the Royal Scientist before Alphys, and was stated to have irreplaceable brilliance.[1] His followers say that he created the CORE[2] and has disappeared. During normal gameplay, Gaster is..."],"attrs_boilerpipe_text":"Undertale Wiki\nExplore\nMain Page\nDiscuss\nAll Pages\nCommunity\nInteractive Maps\nMain Characters\nFlowey\nToriel\nSans\nPapyrus\nUndyne\nAlphys\nMettaton\nAsgore\nFrisk\nChara\nMinibosses\nNapstablook\nDoggo\nDogamy and Dogaressa\nGreater Dog\nGlyde\nMad Dummy\nRoyal Guards\nMuffet\nSo Sorry\nNPCs\nMonster Kid\nSnowdin NPCs\nWaterfall NPCs\nHotland NPCs\nMTT Resort NPCs\nVendors\nNice Cream Guy\nSnowdin Shopkeeper\nGerson\nTem Shop\nBratty and Catty\nBurgerpants\nItems\nConsumables\nWeapons\nArmor\nMiscellaneous\nLocations\nRuins\nSnowdin\nWaterfall\nHotland\nCORE\nMusic\nEndings\nNeutral\nTrue Pacifist\nGenocide\nHard Mode\nMiscellaneous\nPlot Mechanics\nGameplay Mechanics\nReal World\nStaff\nVirgalyssa\nKockaAdmiralac\nPolicies\nCode of Conduct\nManual of Style\nPage organization\nDiscussions\nDiscord\nMaintenance\nApplications\nSkip to content\nExplore\nMain Page\nDiscuss\nAll Pages\nCommunity\nInteractive Maps\nMain Characters\nFlowey\nToriel\nSans\nPapyrus\nUndyne\nAlphys\nMettaton\nAsgore\nFrisk\nChara\nMinibosses\nNapstablook\nDoggo\nDogamy and Dogaressa\nGreater Dog\nGlyde\nMad Dummy\nRoyal Guards\nMuffet\nSo Sorry\nNPCs\nMonster Kid\nSnowdin NPCs\nWaterfall NPCs\nHotland NPCs\nMTT Resort NPCs\nVendors\nNice Cream Guy\nSnowdin Shopkeeper\nGerson\nTem Shop\nBratty and Catty\nBurgerpants\nItems\nConsumables\nWeapons\nArmor\nMiscellaneous\nLocations\nRuins\nSnowdin\nWaterfall\nHotland\nCORE\nMusic\nEndings\nNeutral\nTrue Pacifist\nGenocide\nHard Mode\nMiscellaneous\nPlot Mechanics\nGameplay Mechanics\nReal World\nStaff\nVirgalyssa\nKockaAdmiralac\nPolicies\nCode of Conduct\nManual of Style\nPage organization\nDiscussions\nDiscord\nMaintenance\nApplications\nW. D. Gaster\nBeware of the man who speaks in hands.\nRiver Person\nDr. W. D. Gaster\nis a mysterious character who was the Royal Scientist before\nAlphys\n, and was stated to have irreplaceable brilliance.\n[\n1\n]\nHis\nfollowers\nsay that he created the\nCORE\n[\n2\n]\nand has disappeared. During normal gameplay, Gaster is typically unmentioned. Despite this, the\nRiver Person\n, rare\nFun Value\nevents, and certain\nInaccessible Rooms\nhint at his existence. This includes\nRoom 264\n, named room_gaster.\nIn particular, Gaster's followers speak of what might have been his fate. One of them says that he \"fell into his creation,\" another claims that \"his experiments went wrong,\" and a third claims he was \"shattered across time and space.\" Similar to\nSans\nand\nPapyrus\n, Gaster's dialogue uses a unique typeface, named\nWingdings\n.\n1\nProfile\n1.1\nAppearance\n1.1.1\nRoom 268 and 269\n1.1.2\nRoom 123\n1.1.3\nRoom 272\n1.1.4\nHotland\n1.1.5\nThe Stable\n2\nMain Story\n2.1\nRoom 264\n2.2\n\"The Man who Speaks in Hands\"\n2.3\nSound Test Room\n3\nRelationships\n3.1\nGoner Kid\n3.2\nGaster's Followers\n3.3\nGoner Clam Girl\n3.4\nSans\n4\nGallery\n5\nTrivia\n6\nSee Also\n7\nReferences\nProfile\nAppearance\nW. D. Gaster does not have an officially known form, but there are several rooms and unused assets found in\nWaterfall\nthat point to what he may have looked like.\nRoom 268 and 269\nSurprised Mystery Man.\nIn\nRoom 269\n(room_mysteryman), a figure (spr_mysteryman) widely believed to be Gaster can be found. The figure is black and white with a distorted, cracked face probably because they may have been injected with determination and melted due to not being able to handle determination. Unlike every other NPC, they have no collision physics, and interacting with them causes them to react in surprise and vanish while a sound effect plays.\nThis room can only be accessed when the game's fun value (which can be changed by editing\nfile0\nand\nundertale.ini\n) is set to 66. In this scenario,\nRoom 268\n(room_water_fakehallway), a hallway with a 10% chance to contain a gray door, appears between Room 94 (room_water_savepoint1) and Room 95 (room_water11). These are the \"Crystal\"\nSAVE Point\nand Sans's telescope rooms, respectively. The door in the aforementioned hallway leads to Room 269.\nOnce\nthe protagonist\nleaves Room 269 back into Room 268, the door disappears from the corridor, though it is possible to exit the room and trigger the door's reappearance, as the fun values do not reset until the protagonist leaves the hall. The corridor itself becomes inaccessible once the protagonist leaves it and all values drop to 0.\nUpon attempting to call someone using the\nCell Phone\nin either of these rooms, the default message \"There's no response...\" appears.\nRoom 123\nRoom 123\n(room_water_prebird) is a removed corridor with tall grass that is presumed to connect Room 99 (room_water_bird), where the\nSmall Bird\nis located, and Room 116 (room_water_friendlyhub), where the six-way fork in Waterfall is. The characters in this area mention that this corridor is a bug catching spot.\nRoom 123\nAn unknown character on the left side of the tall grass mentions that \"there is somebody with a creepy smile behind you.\" The unseen character presumably disappears after the dialogue is triggered. The character with the \"creepy smile\" is possibly the Mystery Man seen in Room 269 which may be Gaster, and the evidence supporting this theory lies within the word \"smile\" in the dialogue, as the track that plays in Entry Number Seventeen is named\nmus_smile\n. However, it could also be\nFlowey\n(who follows the protagonist throughout the game), Sans, or even\nthe fallen human\n.\nRoom 272\nRoom 272\nRoom 272\nis black and has a ghostly figure (nicknamed \"Redacted\", as the file name for it is\nspr_redacted_a\n) in the middle of it that becomes less transparent as the protagonist approaches. If the protagonist attempts a conversation with the NPC, it returns \"* [redacted]\" in lowercase Wingdings, which implies that a conversation was planned here but was removed for security purposes.\n[\n3\n]\nExiting Room 272 leads to the\nSound Test Room\n, where the player can listen to\nGaster's Theme\n.\nTo access this room and avoid the\nAnnoying Dog\nerror screens, a hexadecimal editor needs to be used to change the \"Dogcheck\" value.\n[\n4\n]\nHotland\nA\nFollower of W.D. Gaster\nstates that they're \"holding a piece of him right here.\"\nThe Stable\nAn unused sprite for the stable.\nInside the game's files are strings of text that implicate a horse stable was planned to be put into the game. There would be a trash can where a key can be found; if the key is brought to the stable, the same figure from Room 272 appears and says \"* x\" in Wingdings.\nMain Story\nRoom 264\nEntry Number Seventeen.\nIn\nRoom 264\n(room_gaster), the text below is displayed in uppercase Wingdings. While it appears to be the missing seventeenth\nlab entry\nfrom the\nTrue Lab\n, this could be a red herring, as there was an alternate seventeenth entry in the game's files prior to\nversion 1.001-4\n, which added Japanese localization. The alternate entry is heavily implied to have been written by Alphys, as it mirrors her entry format, writing style, and correlates with her\nDetermination\nexperiments.\n[\n5\n]\nBoth entries are inaccessible in normal gameplay; Alphys's entry can only be found in the game's text files, and Gaster's entry is only accessible through\nSAVE\nmanipulation or debug mode. Room 264 immediately follows the generator room in the True Lab.\nTransliteration of the Wingdings text is as follows:\nENTRY NUMBER SEVENTEEN\nDARK DARKER YET DARKER\nTHE DARKNESS KEEPS GROWING\nTHE SHADOWS CUTTING DEEPER\nPHOTON READINGS NEGATIVE\nTHIS NEXT EXPERIMENT\nSEEMS\nVERY\nVERY\nINTERESTING\n...\nWHAT DO YOU TWO THINK\nOnce the message ends, the screen turns black for a second before the game closes. The audio that plays during the entry is labeled as \"\nmus_smile\n\" in the game files. This file can be sped up by 1000% to reveal\nMuffet\n's laugh, reversed, and then looped over.\n[\n6\n]\nAn excerpt from Entry Number Seventeen was also available at\ndeltarune.com\/him.png\nfrom 2015.\n\"The Man who Speaks in Hands\"\nRiver Person's hands speech.\nDuring one of the travels with River Person, they say \"Beware of the man who speaks in hands.\" There is speculation that this alludes to Gaster since the Wingdings typeface used in Entry Number Seventeen (room_gaster) uses hand symbols.\nRiver Person's other world speech.\nA similar line from the River Person is \"Beware of the man who came from the other world.\" Considering the similarities it shares with the previous quote, it might either refer to Gaster or the monster\nSo Sorry\n, whose check text reads \"This creature is definitely in the wrong time and space!\" as well as the file name of\nSo Sorry's theme\nbeing\nmus_wrongworld\n.\nSound Test Room\nIf the Fun Value is 65 and Papyrus has been defeated, there is a 50% chance the player can enter the Sound Test room by going north of the \"Box Road\" save point in\nSnowdin Forest\n(or by exiting Room 272 regardless of Fun Value). This \"room\" is a menu containing four short, looping songs, including\nGaster's Theme\n; neither of which are used anywhere else in the game. Upon playing\nGaster's Theme\n, the other three songs are unable to be played again even if the player tries to do so. After\nGaster's Theme\nplays for 20 seconds, the text \"Thanks for your feedback! Be seeing you soon!\" is displayed and either the protagonist is put in the room with the fishing pole in\nSnowdin Forest\nor (if the player came from Room 272) the game crashes, suggesting Room 272 was intended to be focused on Gaster.\nRelationships\nGoner Kid\nMain article:\nWaterfall\/NPCs#Goner Kid\nThere is some inconclusive evidence as to whether\nGoner Kid\nis actually related to Gaster. Like Gaster's followers, Goner Kid's sprite has minor differences compared to the monster their sprite is based on. Goner Kid's clothing has a blocky, checkerboard-like pattern, they have a bow or two horns\/spines on one side, two lines behind their head, and their eyes have no pupils. However, unlike Gaster's followers, the protagonist's phone works if they attempt to use their cell phone while in the room, and Goner Kid never mentions Gaster's name.\nGaster's Followers\nThe protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.\nMain article:\nHotland\/NPCs#Gaster's Followers\nGaster's Followers are gray NPCs that are found near the elevators in\nHotland\nwhen the fun variable is at a certain value. They all resemble certain NPCs in the game but with a few minor differences (excluding Gaster Follower 3, though an NPC in\nDeltarune\nresembles them\n[\n7\n]\n).\nIf the protagonist tries to call Papyrus (or Papyrus and\nUndyne\n) while in a room with a follower, they only get the line \"The phone won't turn on.\" The protagonist can still attempt to reach\nToriel\nover the phone. The phone works normally after leaving the room.\nGoner Clam Girl\nMain article:\nWaterfall\/NPCs#Clam Girl\nGoner Clam Girl\n, also known as Clam Goner, is a Waterfall NPC exclusive to the\nNintendo Switch\n, Xbox One, and Xbox Series X|S versions of\nUndertale\n. If the fun value is exactly 81,\nClam Girl\nhas alternate dialogue in the\nTrue Pacifist Route\nepilogue. At the final line of her dialogue, Clam Girl turns into Goner Clam Girl, and the song\nReunited\nstops. She then disappears with the same sound effect as Mystery Man and Gaster Follower 2, which shows a possible connection to Gaster.\nSans\nSans is presumed to have a connection with W. D. Gaster due to the\nworkshop\nbehind his house and the name of his weapons used in the\nGenocide Route\n.\nGoner Kid, the NPC that discusses alternate timelines, says, \"An umbrella...? But it's not raining.\" This may relate to the song \"\nIt's Raining Somewhere Else\n\" which plays when Sans takes the protagonist out to dinner in the\nMTT Resort\nand in his workshop.\nThe\nofficial\nUndertale\nTumblr\nfeatures a post, written in-character as Sans, that includes the line \"besides, it's rude to talk about people that are listening, right?\"\n[\n8\n]\nThis quote is similar to a line from Gaster Follower 3. This may be a coincidence, however, as the content of the post itself doesn’t appear to relate to Gaster.\nSans's secret lab.\nRoom 80\n(room_tundra_sansbasement) is a workshop that has four drawers and a strange machine covered up with a curtain. One drawer contains a badge, and another contains a photo album with numerous people that the protagonist does not recognize. If the protagonist has encountered Clam Girl earlier in the route, interacting with the drawer causes a card to slip into the protagonist's view; it displays a poorly drawn picture of 3 people, with the words \"don't forget\" written on it. The other two drawers causes the protagonist to read the blueprint on the countertop, which is said to be written in unintelligible symbols or handwriting that could potentially be related to W. D. Gaster or Alphys, as she also writes in illegible handwriting, as shown in the note before entering the True Lab.\n[\n9\n]\nThe note written on the picture with three people is most likely from Sans; Unlike Papyrus, he does not write in his typeface, which can be seen when the protagonist reads the note on his treadmill.\nIn Room 264 in one of the parts of Gaster's version of Entry Number 17, he says, \"WHAT DO YOU TWO THINK\". By \"two,\" Gaster may be referring to Sans and Alphys, as it is hinted at the end of the True Pacifist Route that they had a past together and Gaster could be the missing link to where they possibly could have had a relationship.\nA \"Gaster Blaster\" Sans uses in battle.\nThe broken machine in the room has been said to be unfixable according to\nToby Fox\n.\n[\n10\n]\nThis means that the machine was never meant to be fixed.\nAdditionally, one of the types of attacks Sans uses against the protagonist during his boss fight in the Genocide Route is called the \"Gaster Blaster,\" suggesting it's connected to W. D. Gaster. If the Genocide Route is aborted by sparing Papyrus and the protagonist interacts with his box of bones, Papyrus says that if he had used his \"special attack,\" he would have \"blasted\" the protagonist away, but suddenly realizes that he can't find it. The use of the verb \"blast\" implies a connection to the Gaster Blaster, suggesting that the Gaster Blaster was either Papyrus's missing special attack or was somehow created by Sans from Papyrus's attack.\nGallery\nTrivia\n\"W. D. Gaster\" is presumed to be a combination of the fonts \"Wingdings\" (the font Entry 17 is written in) and \"Aster\" (similar to the font Sans snores in during his battle).\nW. D. Gaster's name could also be a reference to \"M.D. Seeger,\" the alias of\nShigeru Miyamoto\nused in the\nEarthBound\nend credits (as \"Opening Rock Guitar\").\n[\n11\n]\nAttempting to\nname\nthe fallen human \"Gaster\" causes the game to return to the intro.\nIn the\nPS4 and PS Vita versions\n, this would cause the game to crash. As of v1.03–4, it simply restarts the game.\nIf the protagonist's name is changed to \"Gaster\"\nthrough the SAVE files\n, the ability to reset becomes unavailable as the game restarts upon clicking the Reset button.\nExamining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.\nIn the True Lab, if the protagonist does not activate the fans and enters the area where the protagonist encounters\nSnowdrake's Mother\nand interacts with the second refrigerator in the room, the narration describes a figure obscured by the fog in the shape of a man. This figure could be Gaster. However, it may simply be the \"\nwatching man\n\"\n[\n12\n]\nAmalgamate that tucks the protagonist into bed in the True Lab.\nIt could also be the \"\nMan\n\" character from\nDeltarune,\nas he is described in a similar fashion. The narration also describes another refrigerator as \"a tree, ripe with delicious fruit,\" like those the Man hides behind.\nThe voice bites used in Room 264 (\nsnd_wngdng1\nthrough\nsnd_wngdng7\n) are excerpts from the text-to-speech voices used in\nabc_123_a\n, possibly indicating a connection to Toby Fox or other meta-knowledge.\nIf Entry Number Seventeen is considered, Gaster is the only individual character to have a unique typeface and soundbite without their face accompanying the text box when he talks. The other main-game examples of a unique soundbite but no dialogue portrait are\nMettaton\n(during his initial form) and the species of\nTemmie\n, though they both keep the Determination Mono typeface.\nThe figure in Room 272 speaks with an asterisk and in lowercase, similar to Sans. Entry Number Seventeen is written in uppercase and without an asterisk, similar to Papyrus.\nIt is possible that Gaster could have created the DT Extraction Machine in the True Lab as Alphys uses blueprints to operate it.\n[\n13\n]\nThese may be the blueprints found in Sans's Workshop.\nOn the official\nUndertale\nTumblr, Sans suggests doing research about\nShyren\n's lower body. Shyren's head and body are two different beings, but an optical illusion makes them look like one entity.\n[\n8\n]\nThis could relate to the face that shows up on the body of the Mystery Man. Further interpretation could be that the Mystery Man is actually two different monsters or an\nAmalgamate\n, though this might be contradicted by the fact that Amalgamates were created by\nAlphys\n.\nIf Mystery Man is turned upside down, their clothing and hands resemble another face. Notably, before interaction, this face appears to be surprised, but after interaction, it appears calmer, contrary to Mystery Man's surprised expression.\nThe modified Uboa sprite used in the Halloween Hack.\nMystery Man shares some visual similarities with\nUboa\nfrom\nYume Nikki\n. This appearance is also shared with Dr. Andonuts from Toby's\nEarthBound\nHalloween Hack.\nIn the game files,\nGaster's Theme\nis named\nmus_st_him\n, unlike the other rooms in the sound test that have their song names explicitly shown (such as\nmus_st_happytown\n).\nsnd_mysterygo\nuses the same piano sound as\nGaster's Theme\n.\nUntil\nversion 1.001\n, events related to Gaster were inaccessible unless a SAVE file was edited to have \"fun\" capitalized to \"Fun.\"\nIn a tweet, Toby Fox showed very early concept art for Papyrus. In the same image was a note saying that Papyrus \"had a _ named _\" with the nouns censored out. It is possible this refers to Gaster, due to the popular theory that Gaster is related to Sans and Papyrus in some way.\n[\n14\n]\nThis note may also refer to the unimplemented character\nGrandpa Semi\n.\nThe Gaster card is not included in the\nofficial\nUndertale\ntarot,\nwhich indicates that this card is not canon. Toby Fox has also stated the merchandise is not canon.\n[\n15\n]\nGaster's Theme\nis 17 seconds long, possibly alluding to Entry Number Seventeen.\nMystery Man appeared faintly on the cover of Fangamer's UNDERTALE Complete Vinyl Soundtrack Box Set for a brief period of time, but the image was removed from later releases.\n[\n16\n]\nSimilarly, on the artwork of the\niam8bit vinyl release\n, Mystery Man was removed and replaced by a save point. The art also includes a depiction of \"Redacted,\" which was not changed.\n[\n17\n]\nThe company founded by Toby Fox in October 2015 to manage the copyrights of\nUndertale\nand\nDeltarune\nis named \"Royal Sciences LLC\", possibly referencing Gaster's job as the royal scientist.\nGaster is heavily associated with the\nNumber of the Beast\n(666), repeating 6s, or the number 6 in general.\nGaster's typeface value in Entry Number Seventeen is 666.\nGaster's unused battle stats found through datamining are all repeating 6s.\nAll Fun Value events directly related to Gaster are within the 60s range.\nThe fake hallway in Waterfall, and the Mystery Man's room by extension, is accessible when the Fun Value is 66; the value's only possible number with repeating 6s. This may suggest the figure has a strong connection to Gaster, or may truely be his actual appearance.\nDeltarune\ncontains several references to Gaster, possibly alluding to him being an important character in the game:\nAn excerpt from Entry Number Seventeen in Wingdings was available on\nDeltarune's\nwebsite\nfrom 2015. This excerpt would then be\nreplaced in 2016\nwith a paraphrase from\nThe Legend of Delta Rune\n, also in Wingdings. The filenames for these images are\nhim.png\n, similar to\nGaster's Theme\n.\nmus_smile\nis used as the \"garbage noise\" that plays when the\ncell phone\nis used in a\nDark World\n, and can be heard near the\nBunker\nsouth of\nHometown\nfurther slowed down to 15% speed.\nSeam\ndescribes that\nJevil\n's view on the world became\nDarker yet Darker\nafter meeting someone, a reference to Entry 17\nDuring chapter 4, the hymn the choir sings contains multiple references to Entry 17\nThe \"\nVoice\n\" character from the game's introduction has several similarities with Gaster, implying they are probably the same:\nLeading up to the release of Chapter 1, both English and Japanese\nUndertale\nTwitter accounts would tweet in-character as the Voice, stating they have something to show to the player that they think they will find \"VERY, VERY, INTERESTING\"; paraphrasing Entry Number Seventeen.\n[\n18\n]\nThe filename for\nGaster's Theme\nin\nUndertale\nis\nmus_st_him\n, whereas the OST that plays during\nDeltarune's\nintroduction\nis called\nANOTHER HIM\n.\nThe Vessel created in the introduction is referred to as a \"Goner\" in the files, similarly to Goner Kid, Clam Goner, and Gaster's Followers.\nThe typeface value for the voice during the introduction is also 666.\nThe version number for the SURVEY_PROGRAM installer for Chapter 1 is 0.6.6.6.\nSee Also\nExtracted Resources\nSubreddit for Undertale Datamining\nSteam Guide to W. D. Gaster\nReferences\n↑\nI understand why\nASGORE\nwaited so long to hire a new Royal Scientist.\nThe previous one... Dr. Gaster.\nHis brilliance was irreplaceable.\n- Gaster Follower 3\n↑\nIt makes sense why ASGORE took so long to hire a new Royal Scientist.\nAfter all, the old one... Dr. Gaster. What an act to follow!\nThey say he created the CORE.\n- Gaster Follower 1\n↑\nRoom 272\n↑\nUndertale – Disabling Dogcheck (The Annoying Dog Error Room)\n-\nYouTube\n↑\nmonsters\n' physical forms can't handle \"determination\" like\nhumans\n' can.\nwith too much determination, our bodies begin to break down.\neveryone's melted together...\n- ENTRY NUMBER 17; deleted\n↑\nW. D. GASTER \"Mus_Smile\" Dissected!\n-\nYouTube\n↑\nhttps:\/\/www.reddit.com\/r\/Deltarune\/comments\/9tbs15\/we_finally_found_g_follower_3s_corresponding\/\n↑\nJump up to:\n8.0\n8.1\nfor honesty's sake, investigate the truth for yourself, then ask: how is this going to help people? besides, it's rude to talk about people that are listening, right? not everyone is as tough as my brother.\n-\nundertale on Tumblr,\nOctober 05, 2015.\n↑\n(It's hard to read because of the handwriting, but you try your best...)\n- Alphys's note\n↑\n@rcrkar3 You've all seen the happiest outcome. Neither of them could fix the machine, no matter how hard they tried. No one can.\n-\n@FwugRadiation on Twitter,\nSeptember 18, 2015. Archived on November 07, 2015.\n↑\nMOTHER 2 \/ EarthBound Factoids & Trivia\n-\nSTARMEN.NET\n↑\nThe sprite name for this character is\nspr_watchingman_0\n.\n↑\nI've done it.\nUsing the blueprints, I've extracted it from the human\nSOULs\n.\nI believe this is what gives their SOULs the strength to persist after death.\nThe will to keep living... The resolve to change fate.\nLet's call this power...\n\"Determination.\"\n- True Lab, Entry Number 5\n↑\n(apparently) the genesis of papyrus\n-\nToby Fox (@tobyfox) on Twitter,\nJanuary 08, 2017.\n↑\nSome people wonder about canonicity of UNDERTALE merchandise. None of it is canon (incl. the figurines) except this\n-\nToby Fox (@tobyfox) on Twitter,\nNovember 25, 2016.\n↑\nI edited the image of Gaster from the Undertale vinyl cover to try to see his face better.\n-\nwingdingaster on Tumblr,\nSeptember 18, 2020.\n↑\nHe didn't deserve this\n-\n@jojoton56 on Twitter,\nJune 12, 2024.\n↑\nSOMETHING\nI THINK YOU WILL FIND\nVERY,\nVERY,\nINTERESTING\n-\n@UnderTale on Twitter,\nOctober 30, 2018.","attrs_markdown":"![research](https:\/\/static.wikia.nocookie.net\/f92890d4-8291-4b19-bb63-89f46d25a5f8)\n\nCalling all Moviegoers:\n\n[Tell us your movie preferences\\!](https:\/\/sw2.decipherinc.com\/survey\/selfserve\/419f\/260300)\n\n[Sign In](https:\/\/auth.fandom.com\/signin?source=mw&redirect=https%3A%2F%2Fundertale.fandom.com%2Fwiki%2FW._D._Gaster&metadata=header-signin-button)\n\n[Create a Free Account](https:\/\/auth.fandom.com\/register?source=mw&redirect=https%3A%2F%2Fundertale.fandom.com%2Fwiki%2FW._D._Gaster&metadata=header-registration-button)\n\n[![Undertale Wiki](https:\/\/static.wikia.nocookie.net\/undertale\/images\/e\/e6\/Site-logo.png\/revision\/latest?cb=20220717174821)](https:\/\/undertale.fandom.com\/wiki\/Main_Page)   [Undertale Wiki](https:\/\/undertale.fandom.com\/wiki\/Main_Page)\n\n- Explore\n  - 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[Armor](https:\/\/undertale.fandom.com\/wiki\/Category:Armor)\n    - [Miscellaneous](https:\/\/undertale.fandom.com\/wiki\/Category:Miscellaneous_items)\n  - [Locations](https:\/\/undertale.fandom.com\/wiki\/Category:Locations)\n    - [Ruins](https:\/\/undertale.fandom.com\/wiki\/Ruins)\n    - [Snowdin](https:\/\/undertale.fandom.com\/wiki\/Snowdin)\n    - [Waterfall](https:\/\/undertale.fandom.com\/wiki\/Waterfall)\n    - [Hotland](https:\/\/undertale.fandom.com\/wiki\/Hotland)\n    - [CORE](https:\/\/undertale.fandom.com\/wiki\/CORE)\n  - [Music](https:\/\/undertale.fandom.com\/wiki\/Category:Music)\n  - [Endings](https:\/\/undertale.fandom.com\/wiki\/Category:Endings)\n    - [Neutral](https:\/\/undertale.fandom.com\/wiki\/Neutral_Route)\n    - [True Pacifist](https:\/\/undertale.fandom.com\/wiki\/True_Pacifist_Route)\n    - [Genocide](https:\/\/undertale.fandom.com\/wiki\/Genocide_Route)\n    - [Hard Mode](https:\/\/undertale.fandom.com\/wiki\/Hard_Mode)\n  - [Miscellaneous](https:\/\/undertale.fandom.com\/wiki\/Category:Game_Elements)\n    - [Plot Mechanics](https:\/\/undertale.fandom.com\/wiki\/Category:Plot_Mechanics)\n    - [Gameplay Mechanics](https:\/\/undertale.fandom.com\/wiki\/Category:Gameplay_Mechanics)\n    - [Real World](https:\/\/undertale.fandom.com\/wiki\/Category:Real_World)\n- [Community](https:\/\/undertale.fandom.com\/wiki\/Special:Community)\n  - [Staff](https:\/\/undertale.fandom.com\/wiki\/Category:Staff)\n    - [Virgalyssa](https:\/\/undertale.fandom.com\/wiki\/User:Virgalyssa)\n    - [KockaAdmiralac](https:\/\/undertale.fandom.com\/wiki\/User:KockaAdmiralac)\n  - [Policies](https:\/\/undertale.fandom.com\/wiki\/Category:Policy)\n    - [Code of Conduct](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Policy)\n    - [Manual of Style](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Manual_of_Style)\n    - [Page organization](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Page_organization)\n    - [Discussions](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Discussions_guidelines)\n  - [Discord](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Discord)\n  - [Maintenance](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Maintenance)\n  - [Applications](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Applications)\n\n## Contents\n- [1 Profile](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Profile)\n  - [1\\.1 Appearance](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Appearance)\n    - [1\\.1.1 Room 268 and 269](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_268_and_269)\n    - [1\\.1.2 Room 123](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_123)\n    - [1\\.1.3 Room 272](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_272)\n    - [1\\.1.4 Hotland](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Hotland)\n    - [1\\.1.5 The Stable](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#The_Stable)\n- [2 Main Story](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Main_Story)\n  - [2\\.1 Room 264](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_264)\n  - [2\\.2 \"The Man who Speaks in Hands\"](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#\"The_Man_who_Speaks_in_Hands\")\n  - [2\\.3 Sound Test Room](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Sound_Test_Room)\n- [3 Relationships](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Relationships)\n  - [3\\.1 Goner Kid](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Goner_Kid)\n  - [3\\.2 Gaster's Followers](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Gaster's_Followers)\n  - [3\\.3 Goner Clam Girl](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Goner_Clam_Girl)\n  - [3\\.4 Sans](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Sans)\n- [4 Gallery](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Gallery)\n- [5 Trivia](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Trivia)\n- [6 See Also](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#See_Also)\n- [7 References](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#References)\n\nin: [Enemies](https:\/\/undertale.fandom.com\/wiki\/Category:Enemies \"Category:Enemies\"), [Characters](https:\/\/undertale.fandom.com\/wiki\/Category:Characters \"Category:Characters\")\n\nEnglish\n\n- [Deutsch](https:\/\/undertale.fandom.com\/de\/wiki\/W._D._Gaster)\n- [Español](https:\/\/undertale.fandom.com\/es\/wiki\/W._D._Gaster)\n- [Suomi](https:\/\/undertale.fandom.com\/fi\/wiki\/W.D_gaster)\n- [Français](https:\/\/undertale.fandom.com\/fr\/wiki\/W._D._Gaster)\n- [日本語](https:\/\/undertale.fandom.com\/ja\/wiki\/W._D._Gaster)\n- [Polski](https:\/\/undertale.fandom.com\/pl\/wiki\/W._D._Gaster)\n- [Português do Brasil](https:\/\/undertale.fandom.com\/pt-br\/wiki\/W.D._Gaster)\n- [Русский](https:\/\/undertale.fandom.com\/ru\/wiki\/%D0%92._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80)\n- [Українська](https:\/\/undertale.fandom.com\/uk\/wiki\/%D0%A1%D1%82._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80)\n- [中文](https:\/\/undertale.fandom.com\/zh\/wiki\/W._D._Gaster)\n\n# W. D. Gaster\n[15+](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#article-discussions)\n\n[Sign In to Save Save](https:\/\/auth.fandom.com\/signin?redirect=https%3A%2F%2Fundertale.fandom.com%2Fwiki%2FW._D._Gaster&uselang=en&metadata=collections-save-button \"Sign In to Save\")\n\n[View source](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster?action=edit)\n\n- [History](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster?action=history)\n- [Purge](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster?action=purge)\n- [Talk (10)](https:\/\/undertale.fandom.com\/wiki\/Talk:W._D._Gaster)\n\n## W.D Gaster\n- Possible Sprite (Mystery Man)\n- Possible Sprite (Redacted)\n\n[![Possible Sprite (Mystery Man)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/d\/de\/Mysteryman_overworld.png\/revision\/latest?cb=20210114161402)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/d\/de\/Mysteryman_overworld.png\/revision\/latest?cb=20210114161402 \"Possible Sprite (Mystery Man)\")\n\n[![Possible Sprite (Redacted)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/0\/08\/Redacted_overworld.png\/revision\/latest?cb=20160910090714)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/0\/08\/Redacted_overworld.png\/revision\/latest?cb=20160910090714 \"Possible Sprite (Redacted)\")\n\n2 sprites speculated to be W. D. Gaster\n\n## Character Information\n### Also known as\n- Doctor W.D. Gaster ([Gaster Follower](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs#Gaster's_Followers \"Hotland\/NPCs\") 2)\n- Dr. Gaster (Gaster Followers 3 and 1)\n- Gaster (Enemy data)\n\n### Relationships\n- [Asgore](https:\/\/undertale.fandom.com\/wiki\/Asgore_Dreemurr \"Asgore Dreemurr\") (former boss)\n- [Alphys](https:\/\/undertale.fandom.com\/wiki\/Alphys \"Alphys\") (successor as Royal Scientist)\n- [Sans](https:\/\/undertale.fandom.com\/wiki\/Sans \"Sans\") (possible associate)\n- Gaster's Followers\n- [Roaring Knight](https:\/\/deltarune.fandom.com\/wiki\/Roaring_Knight) (possible associate)\n\n### Leitmotif\n[Gaster's Theme](https:\/\/undertale.fandom.com\/wiki\/Fun_Value#Gaster's_Theme \"Fun Value\")\n\n## Battle Information\n### HP\n666666 (Datamined stats)\n\n### AT\n66666\n\n### DF\n66666\n\n### EXP On Kill\n\\-6666\n\n### GOLD On Win\n\\-6666\n\n> Beware of the man who speaks in hands.\n> \n> [River Person](https:\/\/undertale.fandom.com\/wiki\/River_Person \"River Person\")\n\n**Dr. W. D. Gaster** is a mysterious character who was the Royal Scientist before [Alphys](https:\/\/undertale.fandom.com\/wiki\/Alphys \"Alphys\"), and was stated to have irreplaceable brilliance.[\\[1\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-1) His [followers](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs#Gaster's_Followers \"Hotland\/NPCs\") say that he created the [CORE](https:\/\/undertale.fandom.com\/wiki\/CORE \"CORE\")[\\[2\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-2) and has disappeared. During normal gameplay, Gaster is typically unmentioned. Despite this, the [River Person](https:\/\/undertale.fandom.com\/wiki\/River_Person \"River Person\"), rare [Fun Value](https:\/\/undertale.fandom.com\/wiki\/Fun_Value \"Fun Value\") events, and certain [Inaccessible Rooms](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms \"Inaccessible Rooms\") hint at his existence. This includes [Room 264](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_264), named room\\_gaster.\n\nIn particular, Gaster's followers speak of what might have been his fate. One of them says that he \"fell into his creation,\" another claims that \"his experiments went wrong,\" and a third claims he was \"shattered across time and space.\" Similar to [Sans](https:\/\/undertale.fandom.com\/wiki\/Sans \"Sans\") and [Papyrus](https:\/\/undertale.fandom.com\/wiki\/Papyrus \"Papyrus\"), Gaster's dialogue uses a unique typeface, named [Wingdings](https:\/\/en.wikipedia.org\/wiki\/Wingdings \"wikipedia:Wingdings\").\n\n## Contents\n- [1 Profile](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Profile)\n  - [1\\.1 Appearance](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Appearance)\n    - [1\\.1.1 Room 268 and 269](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_268_and_269)\n    - [1\\.1.2 Room 123](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_123)\n    - [1\\.1.3 Room 272](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_272)\n    - [1\\.1.4 Hotland](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Hotland)\n    - [1\\.1.5 The Stable](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#The_Stable)\n- [2 Main Story](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Main_Story)\n  - [2\\.1 Room 264](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_264)\n  - [2\\.2 \"The Man who Speaks in Hands\"](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#\"The_Man_who_Speaks_in_Hands\")\n  - [2\\.3 Sound Test Room](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Sound_Test_Room)\n- [3 Relationships](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Relationships)\n  - [3\\.1 Goner Kid](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Goner_Kid)\n  - [3\\.2 Gaster's Followers](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Gaster's_Followers)\n  - [3\\.3 Goner Clam Girl](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Goner_Clam_Girl)\n  - [3\\.4 Sans](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Sans)\n- [4 Gallery](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Gallery)\n- [5 Trivia](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Trivia)\n- [6 See Also](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#See_Also)\n- [7 References](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#References)\n## Profile\n### Appearance\nW. D. Gaster does not have an officially known form, but there are several rooms and unused assets found in [Waterfall](https:\/\/undertale.fandom.com\/wiki\/Waterfall \"Waterfall\") that point to what he may have looked like.\n\n#### Room 268 and 269\n[![Surprised Mystery Man.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/f\/f0\/Mysteryman_overworld_2.png\/revision\/latest?cb=20210225010902)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/f\/f0\/Mysteryman_overworld_2.png\/revision\/latest?cb=20210225010902)\n\n[![Surprised Mystery Man.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/f\/f0\/Mysteryman_overworld_2.png\/revision\/latest?cb=20210225010902)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/f\/f0\/Mysteryman_overworld_2.png\/revision\/latest?cb=20210225010902)\n\nSurprised Mystery Man.\n\nIn **Room 269** (room\\_mysteryman), a figure (spr\\_mysteryman) widely believed to be Gaster can be found. The figure is black and white with a distorted, cracked face probably because they may have been injected with determination and melted due to not being able to handle determination. Unlike every other NPC, they have no collision physics, and interacting with them causes them to react in surprise and vanish while a sound effect plays.\n\nThis room can only be accessed when the game's fun value (which can be changed by editing `file0` and `undertale.ini`) is set to 66. In this scenario, **Room 268** (room\\_water\\_fakehallway), a hallway with a 10% chance to contain a gray door, appears between Room 94 (room\\_water\\_savepoint1) and Room 95 (room\\_water11). These are the \"Crystal\" [SAVE Point](https:\/\/undertale.fandom.com\/wiki\/SAVE_Point \"SAVE Point\") and Sans's telescope rooms, respectively. The door in the aforementioned hallway leads to Room 269.\n\nOnce [the protagonist](https:\/\/undertale.fandom.com\/wiki\/Frisk \"Frisk\") leaves Room 269 back into Room 268, the door disappears from the corridor, though it is possible to exit the room and trigger the door's reappearance, as the fun values do not reset until the protagonist leaves the hall. The corridor itself becomes inaccessible once the protagonist leaves it and all values drop to 0.\n\nUpon attempting to call someone using the [Cell Phone](https:\/\/undertale.fandom.com\/wiki\/Cell_Phone \"Cell Phone\") in either of these rooms, the default message \"There's no response...\" appears.\n\n#### Room 123\n[Room 123](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms#Room_123 \"Inaccessible Rooms\") (room\\_water\\_prebird) is a removed corridor with tall grass that is presumed to connect Room 99 (room\\_water\\_bird), where the [Small Bird](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Small_Bird \"Waterfall\/NPCs\") is located, and Room 116 (room\\_water\\_friendlyhub), where the six-way fork in Waterfall is. The characters in this area mention that this corridor is a bug catching spot.\n\n[![Room 123](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/ca\/Room_123_location.png\/revision\/latest\/scale-to-width-down\/180?cb=20151125200719)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/ca\/Room_123_location.png\/revision\/latest?cb=20151125200719)\n\n[![Room 123](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/ca\/Room_123_location.png\/revision\/latest\/scale-to-width-down\/180?cb=20151125200719)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/ca\/Room_123_location.png\/revision\/latest?cb=20151125200719)\n\nRoom 123\n\nAn unknown character on the left side of the tall grass mentions that \"there is somebody with a creepy smile behind you.\" The unseen character presumably disappears after the dialogue is triggered. The character with the \"creepy smile\" is possibly the Mystery Man seen in Room 269 which may be Gaster, and the evidence supporting this theory lies within the word \"smile\" in the dialogue, as the track that plays in Entry Number Seventeen is named `mus_smile`. However, it could also be [Flowey](https:\/\/undertale.fandom.com\/wiki\/Flowey \"Flowey\") (who follows the protagonist throughout the game), Sans, or even [the fallen human](https:\/\/undertale.fandom.com\/wiki\/Chara \"Chara\").\n\n#### Room 272\n[![Room 272](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/75\/Room_272_location.png\/revision\/latest\/scale-to-width-down\/180?cb=20151125200800)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/75\/Room_272_location.png\/revision\/latest?cb=20151125200800)\n\n[![Room 272](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/75\/Room_272_location.png\/revision\/latest\/scale-to-width-down\/180?cb=20151125200800)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/75\/Room_272_location.png\/revision\/latest?cb=20151125200800)\n\nRoom 272\n\n[Room 272](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms#Room_272 \"Inaccessible Rooms\") is black and has a ghostly figure (nicknamed \"Redacted\", as the file name for it is `spr_redacted_a`) in the middle of it that becomes less transparent as the protagonist approaches. If the protagonist attempts a conversation with the NPC, it returns \"\\* \\[redacted\\]\" in lowercase Wingdings, which implies that a conversation was planned here but was removed for security purposes.[\\[3\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-3) Exiting Room 272 leads to the [Sound Test Room](https:\/\/undertale.fandom.com\/wiki\/Fun_Value#Sound_Test_Room \"Fun Value\"), where the player can listen to [*Gaster's Theme*](https:\/\/undertale.fandom.com\/wiki\/Fun_Value#Gaster's_Theme \"Fun Value\").\n\nTo access this room and avoid the [Annoying Dog](https:\/\/undertale.fandom.com\/wiki\/Annoying_Dog \"Annoying Dog\") error screens, a hexadecimal editor needs to be used to change the \"Dogcheck\" value.[\\[4\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-4)\n\n#### Hotland\nA [Follower of W.D. Gaster](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs#Gaster_Follower_2 \"Hotland\/NPCs\") states that they're \"holding a piece of him right here.\"\n\n#### The Stable\n[![An unused sprite for the stable.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/2\/2f\/Stable_overworld.png\/revision\/latest?cb=20200218212828)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/2\/2f\/Stable_overworld.png\/revision\/latest?cb=20200218212828)\n\n[![An unused sprite for the stable.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/2\/2f\/Stable_overworld.png\/revision\/latest?cb=20200218212828)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/2\/2f\/Stable_overworld.png\/revision\/latest?cb=20200218212828)\n\nAn unused sprite for the stable.\n\nInside the game's files are strings of text that implicate a horse stable was planned to be put into the game. There would be a trash can where a key can be found; if the key is brought to the stable, the same figure from Room 272 appears and says \"\\* x\" in Wingdings.\n\n## Main Story\n### Room 264\n[![Entry Number Seventeen.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/d\/dd\/Room_264_screenshot.gif\/revision\/latest\/scale-to-width-down\/180?cb=20160113181122)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/d\/dd\/Room_264_screenshot.gif\/revision\/latest?cb=20160113181122)\n\n[![Entry Number Seventeen.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/d\/dd\/Room_264_screenshot.gif\/revision\/latest\/scale-to-width-down\/180?cb=20160113181122)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/d\/dd\/Room_264_screenshot.gif\/revision\/latest?cb=20160113181122)\n\nEntry Number Seventeen.\n\nIn [Room 264](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms#Room_264 \"Inaccessible Rooms\") (room\\_gaster), the text below is displayed in uppercase Wingdings. While it appears to be the missing seventeenth [lab entry](https:\/\/undertale.fandom.com\/wiki\/True_Lab#Lab_Entries \"True Lab\") from the [True Lab](https:\/\/undertale.fandom.com\/wiki\/True_Lab \"True Lab\"), this could be a red herring, as there was an alternate seventeenth entry in the game's files prior to [version 1.001-4](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#Undertale_v1.001-4 \"Version Differences\"), which added Japanese localization. The alternate entry is heavily implied to have been written by Alphys, as it mirrors her entry format, writing style, and correlates with her [Determination](https:\/\/undertale.fandom.com\/wiki\/Determination \"Determination\") experiments.[\\[5\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-5) Both entries are inaccessible in normal gameplay; Alphys's entry can only be found in the game's text files, and Gaster's entry is only accessible through [SAVE](https:\/\/undertale.fandom.com\/wiki\/SAVE \"SAVE\") manipulation or debug mode. Room 264 immediately follows the generator room in the True Lab.\n\nTransliteration of the Wingdings text is as follows:\n\n> ENTRY NUMBER SEVENTEEN  \n> DARK DARKER YET DARKER  \n> THE DARKNESS KEEPS GROWING  \n> THE SHADOWS CUTTING DEEPER  \n> PHOTON READINGS NEGATIVE  \n> THIS NEXT EXPERIMENT  \n> SEEMS  \n> VERY  \n> VERY  \n> INTERESTING  \n> ...  \n> WHAT DO YOU TWO THINK\n\nOnce the message ends, the screen turns black for a second before the game closes. The audio that plays during the entry is labeled as \"[`mus_smile`](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/7e\/Mus_smile_music.ogg\/revision\/latest?cb=20160412184202 \"Mus smile music.ogg\")\" in the game files. This file can be sped up by 1000% to reveal [Muffet](https:\/\/undertale.fandom.com\/wiki\/Muffet \"Muffet\")'s laugh, reversed, and then looped over.[\\[6\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-6) An excerpt from Entry Number Seventeen was also available at [deltarune.com\/him.png](https:\/\/web.archive.org\/web\/20151209013205im_\/deltarune.com\/him.png) from 2015.\n\n### \"The Man who Speaks in Hands\"\n[![River Person's hands speech.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/53\/River_Person_screenshot_hands.png\/revision\/latest\/scale-to-width-down\/220?cb=20150926225445)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/53\/River_Person_screenshot_hands.png\/revision\/latest?cb=20150926225445)\n\n[![River Person's hands speech.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/53\/River_Person_screenshot_hands.png\/revision\/latest\/scale-to-width-down\/220?cb=20150926225445)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/53\/River_Person_screenshot_hands.png\/revision\/latest?cb=20150926225445)\n\nRiver Person's hands speech.\n\nDuring one of the travels with River Person, they say \"Beware of the man who speaks in hands.\" There is speculation that this alludes to Gaster since the Wingdings typeface used in Entry Number Seventeen (room\\_gaster) uses hand symbols.\n\n[![River Person's other world speech.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/c3\/River_Person_screenshot_other_world.png\/revision\/latest\/scale-to-width-down\/220?cb=20151119081237)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/c3\/River_Person_screenshot_other_world.png\/revision\/latest?cb=20151119081237)\n\n[![River Person's other world speech.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/c3\/River_Person_screenshot_other_world.png\/revision\/latest\/scale-to-width-down\/220?cb=20151119081237)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/c3\/River_Person_screenshot_other_world.png\/revision\/latest?cb=20151119081237)\n\nRiver Person's other world speech.\n\nA similar line from the River Person is \"Beware of the man who came from the other world.\" Considering the similarities it shares with the previous quote, it might either refer to Gaster or the monster [So Sorry](https:\/\/undertale.fandom.com\/wiki\/So_Sorry \"So Sorry\"), whose check text reads \"This creature is definitely in the wrong time and space!\" as well as the file name of [So Sorry's theme](https:\/\/undertale.fandom.com\/wiki\/Wrong_Enemy_!%3F \"Wrong Enemy !?\") being `mus_wrongworld`.\n\n### Sound Test Room\nIf the Fun Value is 65 and Papyrus has been defeated, there is a 50% chance the player can enter the Sound Test room by going north of the \"Box Road\" save point in [Snowdin Forest](https:\/\/undertale.fandom.com\/wiki\/Snowdin_Forest \"Snowdin Forest\") (or by exiting Room 272 regardless of Fun Value). This \"room\" is a menu containing four short, looping songs, including *Gaster's Theme*; neither of which are used anywhere else in the game. Upon playing *Gaster's Theme*, the other three songs are unable to be played again even if the player tries to do so. After *Gaster's Theme* plays for 20 seconds, the text \"Thanks for your feedback! Be seeing you soon!\" is displayed and either the protagonist is put in the room with the fishing pole in [Snowdin Forest](https:\/\/undertale.fandom.com\/wiki\/Snowdin_Forest \"Snowdin Forest\") or (if the player came from Room 272) the game crashes, suggesting Room 272 was intended to be focused on Gaster.\n\n## Relationships\n### Goner Kid\n*Main article: [Waterfall\/NPCs\\#Goner Kid](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Goner_Kid \"Waterfall\/NPCs\")*\n\nThere is some inconclusive evidence as to whether [Goner Kid](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Goner_Kid \"Waterfall\/NPCs\") is actually related to Gaster. Like Gaster's followers, Goner Kid's sprite has minor differences compared to the monster their sprite is based on. Goner Kid's clothing has a blocky, checkerboard-like pattern, they have a bow or two horns\/spines on one side, two lines behind their head, and their eyes have no pupils. However, unlike Gaster's followers, the protagonist's phone works if they attempt to use their cell phone while in the room, and Goner Kid never mentions Gaster's name.\n\n### Gaster's Followers\n[![The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/69\/Cell_Phone_screenshot_Gaster_Follower.png\/revision\/latest\/scale-to-width-down\/220?cb=20160404011847)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/69\/Cell_Phone_screenshot_Gaster_Follower.png\/revision\/latest?cb=20160404011847)\n\n[![The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/69\/Cell_Phone_screenshot_Gaster_Follower.png\/revision\/latest\/scale-to-width-down\/220?cb=20160404011847)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/69\/Cell_Phone_screenshot_Gaster_Follower.png\/revision\/latest?cb=20160404011847)\n\nThe protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.\n\n*Main article: [Hotland\/NPCs\\#Gaster's Followers](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs#Gaster's_Followers \"Hotland\/NPCs\")*\n\nGaster's Followers are gray NPCs that are found near the elevators in [Hotland](https:\/\/undertale.fandom.com\/wiki\/Hotland \"Hotland\") when the fun variable is at a certain value. They all resemble certain NPCs in the game but with a few minor differences (excluding Gaster Follower 3, though an NPC in *[Deltarune](https:\/\/deltarune.fandom.com\/wiki\/Deltarune \"dr:Deltarune\")* resembles them[\\[7\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-7)).\n\nIf the protagonist tries to call Papyrus (or Papyrus and [Undyne](https:\/\/undertale.fandom.com\/wiki\/Undyne \"Undyne\")) while in a room with a follower, they only get the line \"The phone won't turn on.\" The protagonist can still attempt to reach [Toriel](https:\/\/undertale.fandom.com\/wiki\/Toriel \"Toriel\") over the phone. The phone works normally after leaving the room.\n\n### Goner Clam Girl\n*Main article: [Waterfall\/NPCs\\#Clam Girl](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Clam_Girl \"Waterfall\/NPCs\")*\n\n**Goner Clam Girl**, also known as Clam Goner, is a Waterfall NPC exclusive to the [Nintendo Switch](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#Nintendo_Switch \"Version Differences\"), Xbox One, and Xbox Series X\\|S versions of *[Undertale](https:\/\/undertale.fandom.com\/wiki\/Undertale \"Undertale\")*. If the fun value is exactly 81, [Clam Girl](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Clam_Girl \"Waterfall\/NPCs\") has alternate dialogue in the [True Pacifist Route](https:\/\/undertale.fandom.com\/wiki\/True_Pacifist_Route \"True Pacifist Route\") epilogue. At the final line of her dialogue, Clam Girl turns into Goner Clam Girl, and the song *[Reunited](https:\/\/undertale.fandom.com\/wiki\/Reunited \"Reunited\")* stops. She then disappears with the same sound effect as Mystery Man and Gaster Follower 2, which shows a possible connection to Gaster.\n\n### Sans\nSans is presumed to have a connection with W. D. Gaster due to the [workshop](https:\/\/undertale.fandom.com\/wiki\/Papyrus_and_Sans%27s_House#Sans's_Workshop \"Papyrus and Sans's House\") behind his house and the name of his weapons used in the [Genocide Route](https:\/\/undertale.fandom.com\/wiki\/Genocide_Route \"Genocide Route\").\n\nGoner Kid, the NPC that discusses alternate timelines, says, \"An umbrella...? But it's not raining.\" This may relate to the song \"*[It's Raining Somewhere Else](https:\/\/undertale.fandom.com\/wiki\/It%27s_Raining_Somewhere_Else \"It's Raining Somewhere Else\")*\" which plays when Sans takes the protagonist out to dinner in the [MTT Resort](https:\/\/undertale.fandom.com\/wiki\/MTT_Resort \"MTT Resort\") and in his workshop.\n\nThe [official *Undertale* Tumblr](https:\/\/undertale.tumblr.com\/) features a post, written in-character as Sans, that includes the line \"besides, it's rude to talk about people that are listening, right?\"[\\[8\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-info-8) This quote is similar to a line from Gaster Follower 3. This may be a coincidence, however, as the content of the post itself doesn’t appear to relate to Gaster.\n\n[![Sans's secret lab.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/62\/Papyrus_and_Sans%27s_House_location_workshop.png\/revision\/latest\/scale-to-width-down\/200?cb=20210319163321)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/62\/Papyrus_and_Sans%27s_House_location_workshop.png\/revision\/latest?cb=20210319163321)\n\n[![Sans's secret lab.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/62\/Papyrus_and_Sans%27s_House_location_workshop.png\/revision\/latest\/scale-to-width-down\/200?cb=20210319163321)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/62\/Papyrus_and_Sans%27s_House_location_workshop.png\/revision\/latest?cb=20210319163321)\n\nSans's secret lab.\n\n**Room 80** (room\\_tundra\\_sansbasement) is a workshop that has four drawers and a strange machine covered up with a curtain. One drawer contains a badge, and another contains a photo album with numerous people that the protagonist does not recognize. If the protagonist has encountered Clam Girl earlier in the route, interacting with the drawer causes a card to slip into the protagonist's view; it displays a poorly drawn picture of 3 people, with the words \"don't forget\" written on it. The other two drawers causes the protagonist to read the blueprint on the countertop, which is said to be written in unintelligible symbols or handwriting that could potentially be related to W. D. Gaster or Alphys, as she also writes in illegible handwriting, as shown in the note before entering the True Lab.[\\[9\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-9)\n\nThe note written on the picture with three people is most likely from Sans; Unlike Papyrus, he does not write in his typeface, which can be seen when the protagonist reads the note on his treadmill.\n\nIn Room 264 in one of the parts of Gaster's version of Entry Number 17, he says, \"WHAT DO YOU TWO THINK\". By \"two,\" Gaster may be referring to Sans and Alphys, as it is hinted at the end of the True Pacifist Route that they had a past together and Gaster could be the missing link to where they possibly could have had a relationship.\n\n[![A \"Gaster Blaster\" Sans uses in battle.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/Sans_attack_Gaster_Blaster.png\/revision\/latest?cb=20160522025615)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/Sans_attack_Gaster_Blaster.png\/revision\/latest?cb=20160522025615)\n\n[![A \"Gaster Blaster\" Sans uses in battle.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/Sans_attack_Gaster_Blaster.png\/revision\/latest?cb=20160522025615)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/Sans_attack_Gaster_Blaster.png\/revision\/latest?cb=20160522025615)\n\nA \"Gaster Blaster\" Sans uses in battle.\n\nThe broken machine in the room has been said to be unfixable according to [Toby Fox](https:\/\/undertale.fandom.com\/wiki\/Toby_Fox \"Toby Fox\").[\\[10\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-10) This means that the machine was never meant to be fixed.\n\nAdditionally, one of the types of attacks Sans uses against the protagonist during his boss fight in the Genocide Route is called the \"Gaster Blaster,\" suggesting it's connected to W. D. Gaster. If the Genocide Route is aborted by sparing Papyrus and the protagonist interacts with his box of bones, Papyrus says that if he had used his \"special attack,\" he would have \"blasted\" the protagonist away, but suddenly realizes that he can't find it. The use of the verb \"blast\" implies a connection to the Gaster Blaster, suggesting that the Gaster Blaster was either Papyrus's missing special attack or was somehow created by Sans from Papyrus's attack.\n\n## Gallery\n[![Mystery Man sprites upside down, before and after interaction.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/f\/f7\/Mysteryman_screenshot_upside_down.png\/revision\/latest\/scale-to-width-down\/240?cb=20160404072808)![Mystery Man sprites upside down, before and after interaction.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/f\/f7\/Mysteryman_screenshot_upside_down.png\/revision\/latest\/scale-to-width-down\/240?cb=20160404072808)](https:\/\/undertale.fandom.com\/wiki\/File:Mysteryman_screenshot_upside_down.png \"Mysteryman screenshot upside down.png (4 KB)\")\n\nMystery Man sprites upside down, before and after interaction.\n\n[![The Wingdings font package used in Undertale.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/73\/Wingdings_sprite.png\/revision\/latest\/scale-to-width-down\/240?cb=20160505134820)![The Wingdings font package used in Undertale.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/73\/Wingdings_sprite.png\/revision\/latest\/scale-to-width-down\/240?cb=20160505134820)](https:\/\/undertale.fandom.com\/wiki\/File:Wingdings_sprite.png \"Wingdings sprite.png (4 KB)\")\n\nThe Wingdings font package used in *Undertale*.\n## Trivia\n- \"W. D. Gaster\" is presumed to be a combination of the fonts \"Wingdings\" (the font Entry 17 is written in) and \"Aster\" (similar to the font Sans snores in during his battle).\n  - W. D. Gaster's name could also be a reference to \"M.D. Seeger,\" the alias of [Shigeru Miyamoto](https:\/\/en.wikipedia.org\/wiki\/Shigeru_Miyamoto \"wikipedia:Shigeru Miyamoto\") used in the [*EarthBound*](https:\/\/earthbound.fandom.com\/wiki\/EarthBound \"w:c:earthbound:EarthBound\") end credits (as \"Opening Rock Guitar\").[\\[11\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-11)\n- Attempting to [name](https:\/\/undertale.fandom.com\/wiki\/Names \"Names\") the fallen human \"Gaster\" causes the game to return to the intro.\n  - In the [PS4 and PS Vita versions](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#PS4\/PSVita \"Version Differences\"), this would cause the game to crash. As of v1.03–4, it simply restarts the game.\n- If the protagonist's name is changed to \"Gaster\" [through the SAVE files](https:\/\/undertale.fandom.com\/wiki\/Names#Changing_the_name_in_the_SAVE_files \"Names\"), the ability to reset becomes unavailable as the game restarts upon clicking the Reset button.\n\n[![Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/True_Lab_screenshot_shape_of_a_man.png\/revision\/latest\/scale-to-width-down\/220?cb=20160217004744)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/True_Lab_screenshot_shape_of_a_man.png\/revision\/latest?cb=20160217004744)\n\n[![Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/True_Lab_screenshot_shape_of_a_man.png\/revision\/latest\/scale-to-width-down\/220?cb=20160217004744)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/True_Lab_screenshot_shape_of_a_man.png\/revision\/latest?cb=20160217004744)\n\nExamining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.\n\n- In the True Lab, if the protagonist does not activate the fans and enters the area where the protagonist encounters [Snowdrake's Mother](https:\/\/undertale.fandom.com\/wiki\/Snowdrake%27s_Mother \"Snowdrake's Mother\") and interacts with the second refrigerator in the room, the narration describes a figure obscured by the fog in the shape of a man. This figure could be Gaster. However, it may simply be the \"[watching man](https:\/\/undertale.fandom.com\/wiki\/True_Lab\/NPCs#Watching_Man \"True Lab\/NPCs\")\"[\\[12\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-12) Amalgamate that tucks the protagonist into bed in the True Lab.\n  - It could also be the \"[Man](https:\/\/deltarune.fandom.com\/wiki\/Man \"dr:Man\")\" character from *Deltarune,* as he is described in a similar fashion. The narration also describes another refrigerator as \"a tree, ripe with delicious fruit,\" like those the Man hides behind.\n- The voice bites used in Room 264 (`snd_wngdng1` through `snd_wngdng7`) are excerpts from the text-to-speech voices used in [`abc_123_a`](https:\/\/undertale.fandom.com\/wiki\/Unused_Music_Tracks#abc_123_a \"Unused Music Tracks\"), possibly indicating a connection to Toby Fox or other meta-knowledge.\n- If Entry Number Seventeen is considered, Gaster is the only individual character to have a unique typeface and soundbite without their face accompanying the text box when he talks. The other main-game examples of a unique soundbite but no dialogue portrait are [Mettaton](https:\/\/undertale.fandom.com\/wiki\/Mettaton \"Mettaton\") (during his initial form) and the species of [Temmie](https:\/\/undertale.fandom.com\/wiki\/Temmie \"Temmie\"), though they both keep the Determination Mono typeface.\n- The figure in Room 272 speaks with an asterisk and in lowercase, similar to Sans. Entry Number Seventeen is written in uppercase and without an asterisk, similar to Papyrus.\n- It is possible that Gaster could have created the DT Extraction Machine in the True Lab as Alphys uses blueprints to operate it.[\\[13\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-13) These may be the blueprints found in Sans's Workshop.\n- On the official *Undertale* Tumblr, Sans suggests doing research about [Shyren](https:\/\/undertale.fandom.com\/wiki\/Shyren \"Shyren\")'s lower body. Shyren's head and body are two different beings, but an optical illusion makes them look like one entity.[\\[8\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-info-8)\n  - This could relate to the face that shows up on the body of the Mystery Man. Further interpretation could be that the Mystery Man is actually two different monsters or an [Amalgamate](https:\/\/undertale.fandom.com\/wiki\/Category:Amalgamates \"Category:Amalgamates\"), though this might be contradicted by the fact that Amalgamates were created by [Alphys](https:\/\/undertale.fandom.com\/wiki\/Alphys \"Alphys\").\n- If Mystery Man is turned upside down, their clothing and hands resemble another face. Notably, before interaction, this face appears to be surprised, but after interaction, it appears calmer, contrary to Mystery Man's surprised expression.\n\n[![The modified Uboa sprite used in the Halloween Hack.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/51\/Dr_Andonuts_Uboa_screenshot.png\/revision\/latest\/scale-to-width-down\/220?cb=20151209082417)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/51\/Dr_Andonuts_Uboa_screenshot.png\/revision\/latest?cb=20151209082417)\n\n[![The modified Uboa sprite used in the Halloween Hack.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/51\/Dr_Andonuts_Uboa_screenshot.png\/revision\/latest\/scale-to-width-down\/220?cb=20151209082417)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/51\/Dr_Andonuts_Uboa_screenshot.png\/revision\/latest?cb=20151209082417)\n\nThe modified Uboa sprite used in the Halloween Hack.\n\n- Mystery Man shares some visual similarities with [Uboa](https:\/\/yumenikki.fandom.com\/wiki\/Uboa \"w:c:yumenikki:Uboa\") from *[Yume Nikki](https:\/\/yumenikki.fandom.com\/wiki\/Yume_Nikki \"w:c:yumenikki:Yume Nikki\")*. This appearance is also shared with Dr. Andonuts from Toby's *EarthBound* Halloween Hack.\n- In the game files, *Gaster's Theme* is named `mus_st_him`, unlike the other rooms in the sound test that have their song names explicitly shown (such as `mus_st_happytown`).\n- `snd_mysterygo` uses the same piano sound as *Gaster's Theme*.\n- Until [version 1.001](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#Undertale_v1.001 \"Version Differences\"), events related to Gaster were inaccessible unless a SAVE file was edited to have \"fun\" capitalized to \"Fun.\"\n- In a tweet, Toby Fox showed very early concept art for Papyrus. In the same image was a note saying that Papyrus \"had a \\_ named \\_\" with the nouns censored out. It is possible this refers to Gaster, due to the popular theory that Gaster is related to Sans and Papyrus in some way.[\\[14\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-14) This note may also refer to the unimplemented character [Grandpa Semi](https:\/\/undertale.fandom.com\/wiki\/Unused_Music_Tracks#grandpasemi \"Unused Music Tracks\").\n- The Gaster card is not included in the [official *Undertale* tarot,](https:\/\/www.fangamer.com\/products\/undertale-tarot-cards) which indicates that this card is not canon. Toby Fox has also stated the merchandise is not canon.[\\[15\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-15)\n- *Gaster's Theme* is 17 seconds long, possibly alluding to Entry Number Seventeen.\n- Mystery Man appeared faintly on the cover of Fangamer's UNDERTALE Complete Vinyl Soundtrack Box Set for a brief period of time, but the image was removed from later releases.[\\[16\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-16)\n  - Similarly, on the artwork of the [iam8bit vinyl release](https:\/\/materia.store\/products\/undertale-vinyl-soundtrack-toby-fox-iam8bit-2xlp-iam8bit), Mystery Man was removed and replaced by a save point. The art also includes a depiction of \"Redacted,\" which was not changed.[\\[17\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-17)\n- The company founded by Toby Fox in October 2015 to manage the copyrights of *Undertale* and *Deltarune* is named \"Royal Sciences LLC\", possibly referencing Gaster's job as the royal scientist.\n- Gaster is heavily associated with the [Number of the Beast](https:\/\/en.wikipedia.org\/wiki\/Number_of_the_beast \"wikipedia:Number of the beast\") (666), repeating 6s, or the number 6 in general.\n  - Gaster's typeface value in Entry Number Seventeen is 666.\n  - Gaster's unused battle stats found through datamining are all repeating 6s.\n  - All Fun Value events directly related to Gaster are within the 60s range.\n    - The fake hallway in Waterfall, and the Mystery Man's room by extension, is accessible when the Fun Value is 66; the value's only possible number with repeating 6s. This may suggest the figure has a strong connection to Gaster, or may truely be his actual appearance.\n- *Deltarune* contains several references to Gaster, possibly alluding to him being an important character in the game:\n  - An excerpt from Entry Number Seventeen in Wingdings was available on [*Deltarune's* website](https:\/\/web.archive.org\/web\/20151209013205im_\/deltarune.com\/him.png) from 2015. This excerpt would then be [replaced in 2016](https:\/\/web.archive.org\/web\/20161221070931im_\/http:\/\/www.deltarune.com\/him.png) with a paraphrase from [The Legend of Delta Rune](https:\/\/deltarune.fandom.com\/wiki\/Legend_of_Delta_Rune \"dr:Legend of Delta Rune\"), also in Wingdings. The filenames for these images are `him.png`, similar to *Gaster's Theme*.\n  - `mus_smile` is used as the \"garbage noise\" that plays when the [cell phone](https:\/\/deltarune.fandom.com\/wiki\/Cell_Phone \"dr:Cell Phone\") is used in a [Dark World](https:\/\/deltarune.fandom.com\/wiki\/Dark_World \"dr:Dark World\"), and can be heard near the [Bunker](https:\/\/deltarune.fandom.com\/wiki\/Hometown#Mysterious_Bunker \"dr:Hometown\") south of [Hometown](https:\/\/deltarune.fandom.com\/wiki\/Hometown \"dr:Hometown\") further slowed down to 15% speed.\n  - [Seam](https:\/\/deltarune.wiki\/w\/Seam) describes that [Jevil](https:\/\/deltarune.wiki\/w\/Jevil)'s view on the world became *Darker yet Darker* after meeting someone, a reference to Entry 17\n  - During chapter 4, the hymn the choir sings contains multiple references to Entry 17\n  - The \"[Voice](https:\/\/deltarune.fandom.com\/wiki\/Voice \"dr:Voice\")\" character from the game's introduction has several similarities with Gaster, implying they are probably the same:\n    - Leading up to the release of Chapter 1, both English and Japanese *Undertale* Twitter accounts would tweet in-character as the Voice, stating they have something to show to the player that they think they will find \"VERY, VERY, INTERESTING\"; paraphrasing Entry Number Seventeen. [\\[18\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-18)\n    - The filename for *Gaster's Theme* in *Undertale* is `mus_st_him`, whereas the OST that plays during *Deltarune's* [introduction](https:\/\/deltarune.fandom.com\/wiki\/Introduction \"dr:Introduction\") is called *[ANOTHER HIM](https:\/\/deltarune.fandom.com\/wiki\/DELTARUNE_Chapter_1_OST#ANOTHER_HIM \"dr:DELTARUNE Chapter 1 OST\")*.\n    - The Vessel created in the introduction is referred to as a \"Goner\" in the files, similarly to Goner Kid, Clam Goner, and Gaster's Followers.\n    - The typeface value for the voice during the introduction is also 666.\n    - The version number for the SURVEY\\_PROGRAM installer for Chapter 1 is 0.6.6.6.\n## See Also\n- [Extracted Resources](https:\/\/tomat.dev\/undertale\/)\n- [Subreddit for Undertale Datamining](https:\/\/www.reddit.com\/r\/Underminers\/)\n- [Steam Guide to W. D. Gaster](https:\/\/steamcommunity.com\/sharedfiles\/filedetails\/?id=520337707)\n## References\n1. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-1 \"Jump up\") *I understand why [ASGORE](https:\/\/undertale.fandom.com\/wiki\/Asgore_Dreemurr \"Asgore Dreemurr\") waited so long to hire a new Royal Scientist. The previous one... Dr. Gaster. His brilliance was irreplaceable.* - Gaster Follower 3\n2. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-2 \"Jump up\") *It makes sense why ASGORE took so long to hire a new Royal Scientist. After all, the old one... Dr. Gaster. What an act to follow\\! They say he created the CORE.* - Gaster Follower 1\n3. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-3 \"Jump up\") [Room 272](https:\/\/www.dropbox.com\/s\/yyorjpkfkmak4ez\/POSSIBLE%20GASTER%202.webm?dl=0)\n4. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-4 \"Jump up\") *Undertale – Disabling Dogcheck (The Annoying Dog Error Room)* - [YouTube](https:\/\/youtu.be\/VANddDKtilE)\n5. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-5 \"Jump up\") *[monsters](https:\/\/undertale.fandom.com\/wiki\/Monsters \"Monsters\")' physical forms can't handle \"determination\" like [humans](https:\/\/undertale.fandom.com\/wiki\/Humans \"Humans\")' can. with too much determination, our bodies begin to break down. everyone's melted together...* - ENTRY NUMBER 17; deleted\n6. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-6 \"Jump up\") *W. D. GASTER \"Mus\\_Smile\" Dissected\\!* - [YouTube](https:\/\/youtu.be\/FfGXVxXALa0)\n7. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-7 \"Jump up\") <https:\/\/www.reddit.com\/r\/Deltarune\/comments\/9tbs15\/we_finally_found_g_follower_3s_corresponding\/>\n8. ↑ [Jump up to: 8\\.0](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-info_8-0) [8\\.1](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-info_8-1) *for honesty's sake, investigate the truth for yourself, then ask: how is this going to help people? besides, it's rude to talk about people that are listening, right? not everyone is as tough as my brother.* - [undertale on Tumblr,](http:\/\/undertale.tumblr.com\/post\/130552032545) October 05, 2015.\n9. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-9 \"Jump up\") *(It's hard to read because of the handwriting, but you try your best...)* - Alphys's note\n10. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-10 \"Jump up\") *@rcrkar3 You've all seen the happiest outcome. Neither of them could fix the machine, no matter how hard they tried. No one can.* - [@FwugRadiation on Twitter,](https:\/\/web.archive.org\/web\/20151107003935\/https:\/\/twitter.com\/FwugRadiation\/status\/644973310481166340) September 18, 2015. Archived on November 07, 2015.\n11. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-11 \"Jump up\") *MOTHER 2 \/ EarthBound Factoids & Trivia* - [STARMEN.NET](https:\/\/starmen.net\/mother2\/gameinfo\/factoids\/)\n12. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-12 \"Jump up\") The sprite name for this character is **spr\\_watchingman\\_0**.\n13. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-13 \"Jump up\") *I've done it. Using the blueprints, I've extracted it from the human [SOULs](https:\/\/undertale.fandom.com\/wiki\/SOUL \"SOUL\"). I believe this is what gives their SOULs the strength to persist after death. The will to keep living... The resolve to change fate. Let's call this power... \"Determination.\"* - True Lab, Entry Number 5\n14. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-14 \"Jump up\") *(apparently) the genesis of papyrus* - [Toby Fox (@tobyfox) on Twitter,](https:\/\/twitter.com\/tobyfox\/status\/818211590696800258) January 08, 2017.\n15. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-15 \"Jump up\") *Some people wonder about canonicity of UNDERTALE merchandise. None of it is canon (incl. the figurines) except this* - [Toby Fox (@tobyfox) on Twitter,](https:\/\/twitter.com\/tobyfox\/status\/802147835244400640) November 25, 2016.\n16. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-16 \"Jump up\") *I edited the image of Gaster from the Undertale vinyl cover to try to see his face better.* - [wingdingaster on Tumblr,](http:\/\/wingdingaster.tumblr.com\/post\/629602553219481600) September 18, 2020.\n17. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-17 \"Jump up\") *He didn't deserve this* - [@jojoton56 on Twitter,](https:\/\/twitter.com\/jojoton56\/status\/1801027633460764877) June 12, 2024.\n18. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-18 \"Jump up\") *SOMETHING I THINK YOU WILL FIND VERY, VERY, INTERESTING* - [@UnderTale on Twitter,](https:\/\/twitter.com\/UnderTale\/status\/1057250519733952523) October 30, 2018.\n\n## [Characters](https:\/\/undertale.fandom.com\/wiki\/Category:Characters \"Category:Characters\")\n### [Main Characters](https:\/\/undertale.fandom.com\/wiki\/Category:Main_characters \"Category:Main characters\")\n[Frisk](https:\/\/undertale.fandom.com\/wiki\/Frisk \"Frisk\") • [Flowey](https:\/\/undertale.fandom.com\/wiki\/Flowey \"Flowey\") • [Toriel](https:\/\/undertale.fandom.com\/wiki\/Toriel \"Toriel\") • [Sans](https:\/\/undertale.fandom.com\/wiki\/Sans \"Sans\") • [Papyrus](https:\/\/undertale.fandom.com\/wiki\/Papyrus \"Papyrus\") • [Undyne](https:\/\/undertale.fandom.com\/wiki\/Undyne \"Undyne\") • [Alphys](https:\/\/undertale.fandom.com\/wiki\/Alphys \"Alphys\") • [Mettaton](https:\/\/undertale.fandom.com\/wiki\/Mettaton \"Mettaton\") • [Asgore Dreemurr](https:\/\/undertale.fandom.com\/wiki\/Asgore_Dreemurr \"Asgore Dreemurr\")  \n[Asriel Dreemurr](https:\/\/undertale.fandom.com\/wiki\/Asriel_Dreemurr \"Asriel Dreemurr\") • [Chara](https:\/\/undertale.fandom.com\/wiki\/Chara \"Chara\")\n\n### [Ruins](https:\/\/undertale.fandom.com\/wiki\/Ruins \"Ruins\") Enemies\n[Dummy](https:\/\/undertale.fandom.com\/wiki\/Dummy \"Dummy\") • [Froggit](https:\/\/undertale.fandom.com\/wiki\/Froggit \"Froggit\") • [Whimsun](https:\/\/undertale.fandom.com\/wiki\/Whimsun \"Whimsun\") • [Moldsmal](https:\/\/undertale.fandom.com\/wiki\/Moldsmal \"Moldsmal\") • [Loox](https:\/\/undertale.fandom.com\/wiki\/Loox \"Loox\") • [Vegetoid](https:\/\/undertale.fandom.com\/wiki\/Vegetoid \"Vegetoid\") • [Migosp](https:\/\/undertale.fandom.com\/wiki\/Migosp \"Migosp\") • [Napstablook](https:\/\/undertale.fandom.com\/wiki\/Napstablook \"Napstablook\")\n\n### [Snowdin](https:\/\/undertale.fandom.com\/wiki\/Snowdin \"Snowdin\") Enemies\n[Snowdrake](https:\/\/undertale.fandom.com\/wiki\/Snowdrake \"Snowdrake\") • [Chilldrake](https:\/\/undertale.fandom.com\/wiki\/Chilldrake \"Chilldrake\") • [Ice Cap](https:\/\/undertale.fandom.com\/wiki\/Ice_Cap \"Ice Cap\") • [Gyftrot](https:\/\/undertale.fandom.com\/wiki\/Gyftrot \"Gyftrot\") • [Doggo](https:\/\/undertale.fandom.com\/wiki\/Doggo \"Doggo\")  \n[Dogamy and Dogaressa](https:\/\/undertale.fandom.com\/wiki\/Dogamy_and_Dogaressa \"Dogamy and Dogaressa\") • [Lesser Dog](https:\/\/undertale.fandom.com\/wiki\/Lesser_Dog \"Lesser Dog\") • [Greater Dog](https:\/\/undertale.fandom.com\/wiki\/Greater_Dog \"Greater Dog\") • [Jerry](https:\/\/undertale.fandom.com\/wiki\/Jerry \"Jerry\") • [Glyde](https:\/\/undertale.fandom.com\/wiki\/Glyde \"Glyde\") • [Mad Mew Mew](https:\/\/undertale.fandom.com\/wiki\/Mad_Mew_Mew \"Mad Mew Mew\")\n\n### [Waterfall](https:\/\/undertale.fandom.com\/wiki\/Waterfall \"Waterfall\") Enemies\n[Aaron](https:\/\/undertale.fandom.com\/wiki\/Aaron \"Aaron\") • [Moldbygg](https:\/\/undertale.fandom.com\/wiki\/Moldbygg \"Moldbygg\") • [Woshua](https:\/\/undertale.fandom.com\/wiki\/Woshua \"Woshua\") • [Temmie](https:\/\/undertale.fandom.com\/wiki\/Temmie \"Temmie\") • [Mad Dummy](https:\/\/undertale.fandom.com\/wiki\/Mad_Dummy \"Mad Dummy\") • [Shyren](https:\/\/undertale.fandom.com\/wiki\/Shyren \"Shyren\")\n\n### [Hotland](https:\/\/undertale.fandom.com\/wiki\/Hotland \"Hotland\") Enemies\n[Vulkin](https:\/\/undertale.fandom.com\/wiki\/Vulkin \"Vulkin\") • [Tsunderplane](https:\/\/undertale.fandom.com\/wiki\/Tsunderplane \"Tsunderplane\") • [Pyrope](https:\/\/undertale.fandom.com\/wiki\/Pyrope \"Pyrope\") • [Muffet](https:\/\/undertale.fandom.com\/wiki\/Muffet \"Muffet\") • [Royal Guards](https:\/\/undertale.fandom.com\/wiki\/Royal_Guards \"Royal Guards\") • [So Sorry](https:\/\/undertale.fandom.com\/wiki\/So_Sorry \"So Sorry\")\n\n### [CORE](https:\/\/undertale.fandom.com\/wiki\/CORE \"CORE\") Enemies\n[Final Froggit](https:\/\/undertale.fandom.com\/wiki\/Final_Froggit \"Final Froggit\") • [Whimsalot](https:\/\/undertale.fandom.com\/wiki\/Whimsalot \"Whimsalot\") • [Astigmatism](https:\/\/undertale.fandom.com\/wiki\/Astigmatism \"Astigmatism\") • [Madjick](https:\/\/undertale.fandom.com\/wiki\/Madjick \"Madjick\") • [Knight Knight](https:\/\/undertale.fandom.com\/wiki\/Knight_Knight \"Knight Knight\")\n\n### [Amalgamates](https:\/\/undertale.fandom.com\/wiki\/Category:Amalgamates \"Category:Amalgamates\")\n[Memoryhead](https:\/\/undertale.fandom.com\/wiki\/Memoryhead \"Memoryhead\") • [Endogeny](https:\/\/undertale.fandom.com\/wiki\/Endogeny \"Endogeny\") • [Reaper Bird](https:\/\/undertale.fandom.com\/wiki\/Reaper_Bird \"Reaper Bird\") • [Lemon Bread](https:\/\/undertale.fandom.com\/wiki\/Lemon_Bread \"Lemon Bread\") • [Snowdrake's Mother](https:\/\/undertale.fandom.com\/wiki\/Snowdrake%27s_Mother \"Snowdrake's Mother\")\n\n### [Hard Mode-only enemies](https:\/\/undertale.fandom.com\/wiki\/Category:Hard_Mode_Enemies \"Category:Hard Mode Enemies\")\n[Parsnik](https:\/\/undertale.fandom.com\/wiki\/Parsnik \"Parsnik\") • [Moldessa](https:\/\/undertale.fandom.com\/wiki\/Moldessa \"Moldessa\") • [Migospel](https:\/\/undertale.fandom.com\/wiki\/Migospel \"Migospel\")\n\n### [Vendors](https:\/\/undertale.fandom.com\/wiki\/Category:Vendors \"Category:Vendors\")\n[Nice Cream Guy](https:\/\/undertale.fandom.com\/wiki\/Nice_Cream_Guy \"Nice Cream Guy\") • [Snowdin Shopkeeper](https:\/\/undertale.fandom.com\/wiki\/Snowdin_Shopkeeper \"Snowdin Shopkeeper\") • [Gerson](https:\/\/undertale.fandom.com\/wiki\/Gerson \"Gerson\") • [Tem Shop](https:\/\/undertale.fandom.com\/wiki\/Tem_Shop \"Tem Shop\") • [Bratty and Catty](https:\/\/undertale.fandom.com\/wiki\/Bratty_and_Catty \"Bratty and Catty\") • [Burgerpants](https:\/\/undertale.fandom.com\/wiki\/Burgerpants \"Burgerpants\")\n\n### [NPCs](https:\/\/undertale.fandom.com\/wiki\/Category:NPCs \"Category:NPCs\")\n[Ruins](https:\/\/undertale.fandom.com\/wiki\/Ruins\/NPCs \"Ruins\/NPCs\") • [Snowdin](https:\/\/undertale.fandom.com\/wiki\/Snowdin\/NPCs \"Snowdin\/NPCs\") • [Waterfall](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs \"Waterfall\/NPCs\") • [Hotland](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs \"Hotland\/NPCs\") • [MTT Resort](https:\/\/undertale.fandom.com\/wiki\/MTT_Resort\/NPCs \"MTT Resort\/NPCs\") • [True Lab](https:\/\/undertale.fandom.com\/wiki\/True_Lab\/NPCs \"True Lab\/NPCs\")\n\n### Other Characters\n[Photoshop Flowey](https:\/\/undertale.fandom.com\/wiki\/Photoshop_Flowey \"Photoshop Flowey\") • [Monster Kid](https:\/\/undertale.fandom.com\/wiki\/Monster_Kid \"Monster Kid\") • [Annoying Dog](https:\/\/undertale.fandom.com\/wiki\/Annoying_Dog \"Annoying Dog\") • [River Person](https:\/\/undertale.fandom.com\/wiki\/River_Person \"River Person\") • [Eight Humans](https:\/\/undertale.fandom.com\/wiki\/Eight_Humans \"Eight Humans\") • **W. D. Gaster** • [Lost Souls](https:\/\/undertale.fandom.com\/wiki\/Lost_Souls \"Lost Souls\")\n\nCategories\n\n- [Categories](https:\/\/undertale.fandom.com\/wiki\/Special:Categories \"Special:Categories\"):\n- [Enemies](https:\/\/undertale.fandom.com\/wiki\/Category:Enemies \"Category:Enemies\")\n- [Characters](https:\/\/undertale.fandom.com\/wiki\/Category:Characters \"Category:Characters\")\n\n[\\[Configure Reference Popups\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#configure-refpopups)\n\nLanguages\n\n[Deutsch](https:\/\/undertale.fandom.com\/de\/wiki\/W._D._Gaster) [Español](https:\/\/undertale.fandom.com\/es\/wiki\/W._D._Gaster) [Suomi](https:\/\/undertale.fandom.com\/fi\/wiki\/W.D_gaster) [Français](https:\/\/undertale.fandom.com\/fr\/wiki\/W._D._Gaster) [日本語](https:\/\/undertale.fandom.com\/ja\/wiki\/W._D._Gaster) [Polski](https:\/\/undertale.fandom.com\/pl\/wiki\/W._D._Gaster) [Português do Brasil](https:\/\/undertale.fandom.com\/pt-br\/wiki\/W.D._Gaster) [Русский](https:\/\/undertale.fandom.com\/ru\/wiki\/%D0%92._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80) [Українська](https:\/\/undertale.fandom.com\/uk\/wiki\/%D0%A1%D1%82._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80) [中文](https:\/\/undertale.fandom.com\/zh\/wiki\/W._D._Gaster)\n\nCommunity content is available under [CC-BY-SA](https:\/\/www.fandom.com\/licensing) unless otherwise noted.\n\nMore Fandoms\n\n- [Fantasy](https:\/\/www.fandom.com\/fancentral\/fantasy)\n- [Horror](https:\/\/www.fandom.com\/fancentral\/horror)\n\n15+ Discussions\n\nJoin the conversation\n\nSign in to read what others are saying and share your thoughts.\n\n[SIGN IN](https:\/\/undertale.fandom.com\/login?metadata=tagged-discussions-article-source&redirect=https%3A%2F%2Fundertale.fandom.com%2Fwiki%2FW._D._Gaster%3Farticle-discussions-auth%3Dsuccess%23article-discussions)\n\nDon't have account?[Register now](https:\/\/undertale.fandom.com\/register?metadata=tagged-discussions-article-source&redirect=https%3A%2F%2Fundertale.fandom.com%2Fwiki%2FW._D._Gaster%3Farticle-discussions-auth%3Dsuccess%23article-discussions)\n\n## WARNING\n![Froggit overworld](https:\/\/static.wikia.nocookie.net\/undertale\/images\/2\/2f\/Froggit_overworld.png\/revision\/latest?cb=20211119162319)\n\nRibbit, ribbit.  \n (Excuse me, human.)  \n (I have some advice for you if you have not completed the game.)  \n (Do not read this article, as it is full of spoilers.)\n\n(Proceed)\n\n## Discord Server\nThis is the Undertale\/Deltarune Wiki Discord server! 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[Minibosses](https:\/\/undertale.fandom.com\/wiki\/Category:Boss#List_of_Midbosses_and_Minibosses)\n    - [Napstablook](https:\/\/undertale.fandom.com\/wiki\/Napstablook)\n    - [Doggo](https:\/\/undertale.fandom.com\/wiki\/Doggo)\n    - [Dogamy and Dogaressa](https:\/\/undertale.fandom.com\/wiki\/Dogamy_and_Dogaressa)\n    - [Greater Dog](https:\/\/undertale.fandom.com\/wiki\/Greater_Dog)\n    - [Glyde](https:\/\/undertale.fandom.com\/wiki\/Glyde)\n    - [Mad Dummy](https:\/\/undertale.fandom.com\/wiki\/Mad_Dummy)\n    - [Royal Guards](https:\/\/undertale.fandom.com\/wiki\/Royal_Guards)\n    - [Muffet](https:\/\/undertale.fandom.com\/wiki\/Muffet)\n    - [So Sorry](https:\/\/undertale.fandom.com\/wiki\/So_Sorry)\n  - [NPCs](https:\/\/undertale.fandom.com\/wiki\/Category:NPCs)\n    - [Monster Kid](https:\/\/undertale.fandom.com\/wiki\/Monster_Kid)\n    - [Snowdin NPCs](https:\/\/undertale.fandom.com\/wiki\/Snowdin\/NPCs)\n    - [Waterfall NPCs](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs)\n    - [Hotland NPCs](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs)\n    - [MTT Resort NPCs](https:\/\/undertale.fandom.com\/wiki\/MTT_Resort\/NPCs)\n  - [Vendors](https:\/\/undertale.fandom.com\/wiki\/Vendors)\n    - [Nice Cream Guy](https:\/\/undertale.fandom.com\/wiki\/Nice_Cream_Guy)\n    - [Snowdin Shopkeeper](https:\/\/undertale.fandom.com\/wiki\/Snowdin_Shopkeeper)\n    - [Gerson](https:\/\/undertale.fandom.com\/wiki\/Gerson)\n    - [Tem Shop](https:\/\/undertale.fandom.com\/wiki\/Tem_Shop)\n    - [Bratty and Catty](https:\/\/undertale.fandom.com\/wiki\/Bratty_and_Catty)\n    - [Burgerpants](https:\/\/undertale.fandom.com\/wiki\/Burgerpants)\n- - [Items](https:\/\/undertale.fandom.com\/wiki\/Category:Items)\n    - [Consumables](https:\/\/undertale.fandom.com\/wiki\/Category:Consumable_items)\n    - [Weapons](https:\/\/undertale.fandom.com\/wiki\/Category:Weapons)\n    - [Armor](https:\/\/undertale.fandom.com\/wiki\/Category:Armor)\n    - [Miscellaneous](https:\/\/undertale.fandom.com\/wiki\/Category:Miscellaneous_items)\n  - [Locations](https:\/\/undertale.fandom.com\/wiki\/Category:Locations)\n    - [Ruins](https:\/\/undertale.fandom.com\/wiki\/Ruins)\n    - [Snowdin](https:\/\/undertale.fandom.com\/wiki\/Snowdin)\n    - [Waterfall](https:\/\/undertale.fandom.com\/wiki\/Waterfall)\n    - [Hotland](https:\/\/undertale.fandom.com\/wiki\/Hotland)\n    - [CORE](https:\/\/undertale.fandom.com\/wiki\/CORE)\n  - [Music](https:\/\/undertale.fandom.com\/wiki\/Category:Music)\n  - [Endings](https:\/\/undertale.fandom.com\/wiki\/Category:Endings)\n    - [Neutral](https:\/\/undertale.fandom.com\/wiki\/Neutral_Route)\n    - [True Pacifist](https:\/\/undertale.fandom.com\/wiki\/True_Pacifist_Route)\n    - [Genocide](https:\/\/undertale.fandom.com\/wiki\/Genocide_Route)\n    - [Hard Mode](https:\/\/undertale.fandom.com\/wiki\/Hard_Mode)\n  - [Miscellaneous](https:\/\/undertale.fandom.com\/wiki\/Category:Game_Elements)\n    - [Plot Mechanics](https:\/\/undertale.fandom.com\/wiki\/Category:Plot_Mechanics)\n    - [Gameplay Mechanics](https:\/\/undertale.fandom.com\/wiki\/Category:Gameplay_Mechanics)\n    - [Real World](https:\/\/undertale.fandom.com\/wiki\/Category:Real_World)\n- - [Staff](https:\/\/undertale.fandom.com\/wiki\/Category:Staff)\n    - [Virgalyssa](https:\/\/undertale.fandom.com\/wiki\/User:Virgalyssa)\n    - [KockaAdmiralac](https:\/\/undertale.fandom.com\/wiki\/User:KockaAdmiralac)\n  - [Policies](https:\/\/undertale.fandom.com\/wiki\/Category:Policy)\n    - [Code of Conduct](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Policy)\n    - [Manual of Style](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Manual_of_Style)\n    - [Page organization](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Page_organization)\n    - [Discussions](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Discussions_guidelines)\n  - [Discord](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Discord)\n  - [Maintenance](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Maintenance)\n  - [Applications](https:\/\/undertale.fandom.com\/wiki\/Undertale_Wiki:Applications)\n\n## W. D. Gaster\n> Beware of the man who speaks in hands.\n> \n> [River Person](https:\/\/undertale.fandom.com\/wiki\/River_Person \"River Person\")\n\n**Dr. W. D. Gaster** is a mysterious character who was the Royal Scientist before [Alphys](https:\/\/undertale.fandom.com\/wiki\/Alphys \"Alphys\"), and was stated to have irreplaceable brilliance.[\\[1\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-1) His [followers](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs#Gaster's_Followers \"Hotland\/NPCs\") say that he created the [CORE](https:\/\/undertale.fandom.com\/wiki\/CORE \"CORE\")[\\[2\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-2) and has disappeared. During normal gameplay, Gaster is typically unmentioned. Despite this, the [River Person](https:\/\/undertale.fandom.com\/wiki\/River_Person \"River Person\"), rare [Fun Value](https:\/\/undertale.fandom.com\/wiki\/Fun_Value \"Fun Value\") events, and certain [Inaccessible Rooms](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms \"Inaccessible Rooms\") hint at his existence. This includes [Room 264](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_264), named room\\_gaster.\n\nIn particular, Gaster's followers speak of what might have been his fate. One of them says that he \"fell into his creation,\" another claims that \"his experiments went wrong,\" and a third claims he was \"shattered across time and space.\" Similar to [Sans](https:\/\/undertale.fandom.com\/wiki\/Sans \"Sans\") and [Papyrus](https:\/\/undertale.fandom.com\/wiki\/Papyrus \"Papyrus\"), Gaster's dialogue uses a unique typeface, named [Wingdings](https:\/\/en.wikipedia.org\/wiki\/Wingdings \"wikipedia:Wingdings\").\n\n- [1 Profile](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Profile)\n  - [1\\.1 Appearance](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Appearance)\n    - [1\\.1.1 Room 268 and 269](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_268_and_269)\n    - [1\\.1.2 Room 123](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_123)\n    - [1\\.1.3 Room 272](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_272)\n    - [1\\.1.4 Hotland](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Hotland)\n    - [1\\.1.5 The Stable](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#The_Stable)\n- [2 Main Story](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Main_Story)\n  - [2\\.1 Room 264](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Room_264)\n  - [2\\.2 \"The Man who Speaks in Hands\"](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#\"The_Man_who_Speaks_in_Hands\")\n  - [2\\.3 Sound Test Room](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Sound_Test_Room)\n- [3 Relationships](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Relationships)\n  - [3\\.1 Goner Kid](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Goner_Kid)\n  - [3\\.2 Gaster's Followers](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Gaster's_Followers)\n  - [3\\.3 Goner Clam Girl](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Goner_Clam_Girl)\n  - [3\\.4 Sans](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Sans)\n- [4 Gallery](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Gallery)\n- [5 Trivia](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#Trivia)\n- [6 See Also](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#See_Also)\n- [7 References](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#References)\n## Profile\n### Appearance\nW. D. Gaster does not have an officially known form, but there are several rooms and unused assets found in [Waterfall](https:\/\/undertale.fandom.com\/wiki\/Waterfall \"Waterfall\") that point to what he may have looked like.\n\n#### Room 268 and 269\n![Surprised Mystery Man.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/f\/f0\/Mysteryman_overworld_2.png\/revision\/latest?cb=20210225010902)\n\nSurprised Mystery Man.\n\nIn **Room 269** (room\\_mysteryman), a figure (spr\\_mysteryman) widely believed to be Gaster can be found. The figure is black and white with a distorted, cracked face probably because they may have been injected with determination and melted due to not being able to handle determination. Unlike every other NPC, they have no collision physics, and interacting with them causes them to react in surprise and vanish while a sound effect plays.\n\nThis room can only be accessed when the game's fun value (which can be changed by editing `file0` and `undertale.ini`) is set to 66. In this scenario, **Room 268** (room\\_water\\_fakehallway), a hallway with a 10% chance to contain a gray door, appears between Room 94 (room\\_water\\_savepoint1) and Room 95 (room\\_water11). These are the \"Crystal\" [SAVE Point](https:\/\/undertale.fandom.com\/wiki\/SAVE_Point \"SAVE Point\") and Sans's telescope rooms, respectively. The door in the aforementioned hallway leads to Room 269.\n\nOnce [the protagonist](https:\/\/undertale.fandom.com\/wiki\/Frisk \"Frisk\") leaves Room 269 back into Room 268, the door disappears from the corridor, though it is possible to exit the room and trigger the door's reappearance, as the fun values do not reset until the protagonist leaves the hall. The corridor itself becomes inaccessible once the protagonist leaves it and all values drop to 0.\n\nUpon attempting to call someone using the [Cell Phone](https:\/\/undertale.fandom.com\/wiki\/Cell_Phone \"Cell Phone\") in either of these rooms, the default message \"There's no response...\" appears.\n\n#### Room 123\n[Room 123](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms#Room_123 \"Inaccessible Rooms\") (room\\_water\\_prebird) is a removed corridor with tall grass that is presumed to connect Room 99 (room\\_water\\_bird), where the [Small Bird](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Small_Bird \"Waterfall\/NPCs\") is located, and Room 116 (room\\_water\\_friendlyhub), where the six-way fork in Waterfall is. The characters in this area mention that this corridor is a bug catching spot.\n\n![Room 123](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/ca\/Room_123_location.png\/revision\/latest\/scale-to-width-down\/180?cb=20151125200719)\n\nRoom 123\n\nAn unknown character on the left side of the tall grass mentions that \"there is somebody with a creepy smile behind you.\" The unseen character presumably disappears after the dialogue is triggered. The character with the \"creepy smile\" is possibly the Mystery Man seen in Room 269 which may be Gaster, and the evidence supporting this theory lies within the word \"smile\" in the dialogue, as the track that plays in Entry Number Seventeen is named `mus_smile`. However, it could also be [Flowey](https:\/\/undertale.fandom.com\/wiki\/Flowey \"Flowey\") (who follows the protagonist throughout the game), Sans, or even [the fallen human](https:\/\/undertale.fandom.com\/wiki\/Chara \"Chara\").\n\n#### Room 272\n![Room 272](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/75\/Room_272_location.png\/revision\/latest\/scale-to-width-down\/180?cb=20151125200800)\n\nRoom 272\n\n[Room 272](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms#Room_272 \"Inaccessible Rooms\") is black and has a ghostly figure (nicknamed \"Redacted\", as the file name for it is `spr_redacted_a`) in the middle of it that becomes less transparent as the protagonist approaches. If the protagonist attempts a conversation with the NPC, it returns \"\\* \\[redacted\\]\" in lowercase Wingdings, which implies that a conversation was planned here but was removed for security purposes.[\\[3\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-3) Exiting Room 272 leads to the [Sound Test Room](https:\/\/undertale.fandom.com\/wiki\/Fun_Value#Sound_Test_Room \"Fun Value\"), where the player can listen to [*Gaster's Theme*](https:\/\/undertale.fandom.com\/wiki\/Fun_Value#Gaster's_Theme \"Fun Value\").\n\nTo access this room and avoid the [Annoying Dog](https:\/\/undertale.fandom.com\/wiki\/Annoying_Dog \"Annoying Dog\") error screens, a hexadecimal editor needs to be used to change the \"Dogcheck\" value.[\\[4\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-4)\n\n#### Hotland\nA [Follower of W.D. Gaster](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs#Gaster_Follower_2 \"Hotland\/NPCs\") states that they're \"holding a piece of him right here.\"\n\n#### The Stable\n![An unused sprite for the stable.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/2\/2f\/Stable_overworld.png\/revision\/latest?cb=20200218212828)\n\nAn unused sprite for the stable.\n\nInside the game's files are strings of text that implicate a horse stable was planned to be put into the game. There would be a trash can where a key can be found; if the key is brought to the stable, the same figure from Room 272 appears and says \"\\* x\" in Wingdings.\n\n## Main Story\n### Room 264\n![Entry Number Seventeen.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/d\/dd\/Room_264_screenshot.gif\/revision\/latest\/scale-to-width-down\/180?cb=20160113181122)\n\nEntry Number Seventeen.\n\nIn [Room 264](https:\/\/undertale.fandom.com\/wiki\/Inaccessible_Rooms#Room_264 \"Inaccessible Rooms\") (room\\_gaster), the text below is displayed in uppercase Wingdings. While it appears to be the missing seventeenth [lab entry](https:\/\/undertale.fandom.com\/wiki\/True_Lab#Lab_Entries \"True Lab\") from the [True Lab](https:\/\/undertale.fandom.com\/wiki\/True_Lab \"True Lab\"), this could be a red herring, as there was an alternate seventeenth entry in the game's files prior to [version 1.001-4](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#Undertale_v1.001-4 \"Version Differences\"), which added Japanese localization. The alternate entry is heavily implied to have been written by Alphys, as it mirrors her entry format, writing style, and correlates with her [Determination](https:\/\/undertale.fandom.com\/wiki\/Determination \"Determination\") experiments.[\\[5\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-5) Both entries are inaccessible in normal gameplay; Alphys's entry can only be found in the game's text files, and Gaster's entry is only accessible through [SAVE](https:\/\/undertale.fandom.com\/wiki\/SAVE \"SAVE\") manipulation or debug mode. Room 264 immediately follows the generator room in the True Lab.\n\nTransliteration of the Wingdings text is as follows:\n\n> ENTRY NUMBER SEVENTEEN  \n> DARK DARKER YET DARKER  \n> THE DARKNESS KEEPS GROWING  \n> THE SHADOWS CUTTING DEEPER  \n> PHOTON READINGS NEGATIVE  \n> THIS NEXT EXPERIMENT  \n> SEEMS  \n> VERY  \n> VERY  \n> INTERESTING  \n> ...  \n> WHAT DO YOU TWO THINK\n\nOnce the message ends, the screen turns black for a second before the game closes. The audio that plays during the entry is labeled as \"[`mus_smile`](https:\/\/static.wikia.nocookie.net\/undertale\/images\/7\/7e\/Mus_smile_music.ogg\/revision\/latest?cb=20160412184202 \"Mus smile music.ogg\")\" in the game files. This file can be sped up by 1000% to reveal [Muffet](https:\/\/undertale.fandom.com\/wiki\/Muffet \"Muffet\")'s laugh, reversed, and then looped over.[\\[6\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-6) An excerpt from Entry Number Seventeen was also available at [deltarune.com\/him.png](https:\/\/web.archive.org\/web\/20151209013205im_\/deltarune.com\/him.png) from 2015.\n\n### \"The Man who Speaks in Hands\"\n![River Person's hands speech.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/53\/River_Person_screenshot_hands.png\/revision\/latest\/scale-to-width-down\/220?cb=20150926225445)\n\nRiver Person's hands speech.\n\nDuring one of the travels with River Person, they say \"Beware of the man who speaks in hands.\" There is speculation that this alludes to Gaster since the Wingdings typeface used in Entry Number Seventeen (room\\_gaster) uses hand symbols.\n\n![River Person's other world speech.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/c\/c3\/River_Person_screenshot_other_world.png\/revision\/latest\/scale-to-width-down\/220?cb=20151119081237)\n\nRiver Person's other world speech.\n\nA similar line from the River Person is \"Beware of the man who came from the other world.\" Considering the similarities it shares with the previous quote, it might either refer to Gaster or the monster [So Sorry](https:\/\/undertale.fandom.com\/wiki\/So_Sorry \"So Sorry\"), whose check text reads \"This creature is definitely in the wrong time and space!\" as well as the file name of [So Sorry's theme](https:\/\/undertale.fandom.com\/wiki\/Wrong_Enemy_!%3F \"Wrong Enemy !?\") being `mus_wrongworld`.\n\n### Sound Test Room\nIf the Fun Value is 65 and Papyrus has been defeated, there is a 50% chance the player can enter the Sound Test room by going north of the \"Box Road\" save point in [Snowdin Forest](https:\/\/undertale.fandom.com\/wiki\/Snowdin_Forest \"Snowdin Forest\") (or by exiting Room 272 regardless of Fun Value). This \"room\" is a menu containing four short, looping songs, including *Gaster's Theme*; neither of which are used anywhere else in the game. Upon playing *Gaster's Theme*, the other three songs are unable to be played again even if the player tries to do so. After *Gaster's Theme* plays for 20 seconds, the text \"Thanks for your feedback! Be seeing you soon!\" is displayed and either the protagonist is put in the room with the fishing pole in [Snowdin Forest](https:\/\/undertale.fandom.com\/wiki\/Snowdin_Forest \"Snowdin Forest\") or (if the player came from Room 272) the game crashes, suggesting Room 272 was intended to be focused on Gaster.\n\n## Relationships\n### Goner Kid\n*Main article: [Waterfall\/NPCs\\#Goner Kid](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Goner_Kid \"Waterfall\/NPCs\")*\n\nThere is some inconclusive evidence as to whether [Goner Kid](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Goner_Kid \"Waterfall\/NPCs\") is actually related to Gaster. Like Gaster's followers, Goner Kid's sprite has minor differences compared to the monster their sprite is based on. Goner Kid's clothing has a blocky, checkerboard-like pattern, they have a bow or two horns\/spines on one side, two lines behind their head, and their eyes have no pupils. However, unlike Gaster's followers, the protagonist's phone works if they attempt to use their cell phone while in the room, and Goner Kid never mentions Gaster's name.\n\n### Gaster's Followers\n![The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/69\/Cell_Phone_screenshot_Gaster_Follower.png\/revision\/latest\/scale-to-width-down\/220?cb=20160404011847)\n\nThe protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.\n\n*Main article: [Hotland\/NPCs\\#Gaster's Followers](https:\/\/undertale.fandom.com\/wiki\/Hotland\/NPCs#Gaster's_Followers \"Hotland\/NPCs\")*\n\nGaster's Followers are gray NPCs that are found near the elevators in [Hotland](https:\/\/undertale.fandom.com\/wiki\/Hotland \"Hotland\") when the fun variable is at a certain value. They all resemble certain NPCs in the game but with a few minor differences (excluding Gaster Follower 3, though an NPC in *[Deltarune](https:\/\/deltarune.fandom.com\/wiki\/Deltarune \"dr:Deltarune\")* resembles them[\\[7\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-7)).\n\nIf the protagonist tries to call Papyrus (or Papyrus and [Undyne](https:\/\/undertale.fandom.com\/wiki\/Undyne \"Undyne\")) while in a room with a follower, they only get the line \"The phone won't turn on.\" The protagonist can still attempt to reach [Toriel](https:\/\/undertale.fandom.com\/wiki\/Toriel \"Toriel\") over the phone. The phone works normally after leaving the room.\n\n### Goner Clam Girl\n*Main article: [Waterfall\/NPCs\\#Clam Girl](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Clam_Girl \"Waterfall\/NPCs\")*\n\n**Goner Clam Girl**, also known as Clam Goner, is a Waterfall NPC exclusive to the [Nintendo Switch](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#Nintendo_Switch \"Version Differences\"), Xbox One, and Xbox Series X\\|S versions of *[Undertale](https:\/\/undertale.fandom.com\/wiki\/Undertale \"Undertale\")*. If the fun value is exactly 81, [Clam Girl](https:\/\/undertale.fandom.com\/wiki\/Waterfall\/NPCs#Clam_Girl \"Waterfall\/NPCs\") has alternate dialogue in the [True Pacifist Route](https:\/\/undertale.fandom.com\/wiki\/True_Pacifist_Route \"True Pacifist Route\") epilogue. At the final line of her dialogue, Clam Girl turns into Goner Clam Girl, and the song *[Reunited](https:\/\/undertale.fandom.com\/wiki\/Reunited \"Reunited\")* stops. She then disappears with the same sound effect as Mystery Man and Gaster Follower 2, which shows a possible connection to Gaster.\n\n### Sans\nSans is presumed to have a connection with W. D. Gaster due to the [workshop](https:\/\/undertale.fandom.com\/wiki\/Papyrus_and_Sans%27s_House#Sans's_Workshop \"Papyrus and Sans's House\") behind his house and the name of his weapons used in the [Genocide Route](https:\/\/undertale.fandom.com\/wiki\/Genocide_Route \"Genocide Route\").\n\nGoner Kid, the NPC that discusses alternate timelines, says, \"An umbrella...? But it's not raining.\" This may relate to the song \"*[It's Raining Somewhere Else](https:\/\/undertale.fandom.com\/wiki\/It%27s_Raining_Somewhere_Else \"It's Raining Somewhere Else\")*\" which plays when Sans takes the protagonist out to dinner in the [MTT Resort](https:\/\/undertale.fandom.com\/wiki\/MTT_Resort \"MTT Resort\") and in his workshop.\n\nThe [official *Undertale* Tumblr](https:\/\/undertale.tumblr.com\/) features a post, written in-character as Sans, that includes the line \"besides, it's rude to talk about people that are listening, right?\"[\\[8\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-info-8) This quote is similar to a line from Gaster Follower 3. This may be a coincidence, however, as the content of the post itself doesn’t appear to relate to Gaster.\n\n![Sans's secret lab.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/6\/62\/Papyrus_and_Sans%27s_House_location_workshop.png\/revision\/latest\/scale-to-width-down\/200?cb=20210319163321)\n\nSans's secret lab.\n\n**Room 80** (room\\_tundra\\_sansbasement) is a workshop that has four drawers and a strange machine covered up with a curtain. One drawer contains a badge, and another contains a photo album with numerous people that the protagonist does not recognize. If the protagonist has encountered Clam Girl earlier in the route, interacting with the drawer causes a card to slip into the protagonist's view; it displays a poorly drawn picture of 3 people, with the words \"don't forget\" written on it. The other two drawers causes the protagonist to read the blueprint on the countertop, which is said to be written in unintelligible symbols or handwriting that could potentially be related to W. D. Gaster or Alphys, as she also writes in illegible handwriting, as shown in the note before entering the True Lab.[\\[9\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-9)\n\nThe note written on the picture with three people is most likely from Sans; Unlike Papyrus, he does not write in his typeface, which can be seen when the protagonist reads the note on his treadmill.\n\nIn Room 264 in one of the parts of Gaster's version of Entry Number 17, he says, \"WHAT DO YOU TWO THINK\". By \"two,\" Gaster may be referring to Sans and Alphys, as it is hinted at the end of the True Pacifist Route that they had a past together and Gaster could be the missing link to where they possibly could have had a relationship.\n\n![A \"Gaster Blaster\" Sans uses in battle.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/Sans_attack_Gaster_Blaster.png\/revision\/latest?cb=20160522025615)\n\nA \"Gaster Blaster\" Sans uses in battle.\n\nThe broken machine in the room has been said to be unfixable according to [Toby Fox](https:\/\/undertale.fandom.com\/wiki\/Toby_Fox \"Toby Fox\").[\\[10\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-10) This means that the machine was never meant to be fixed.\n\nAdditionally, one of the types of attacks Sans uses against the protagonist during his boss fight in the Genocide Route is called the \"Gaster Blaster,\" suggesting it's connected to W. D. Gaster. If the Genocide Route is aborted by sparing Papyrus and the protagonist interacts with his box of bones, Papyrus says that if he had used his \"special attack,\" he would have \"blasted\" the protagonist away, but suddenly realizes that he can't find it. The use of the verb \"blast\" implies a connection to the Gaster Blaster, suggesting that the Gaster Blaster was either Papyrus's missing special attack or was somehow created by Sans from Papyrus's attack.\n\n## Gallery\n## Trivia\n- \"W. D. Gaster\" is presumed to be a combination of the fonts \"Wingdings\" (the font Entry 17 is written in) and \"Aster\" (similar to the font Sans snores in during his battle).\n  - W. D. Gaster's name could also be a reference to \"M.D. Seeger,\" the alias of [Shigeru Miyamoto](https:\/\/en.wikipedia.org\/wiki\/Shigeru_Miyamoto \"wikipedia:Shigeru Miyamoto\") used in the [*EarthBound*](https:\/\/earthbound.fandom.com\/wiki\/EarthBound \"w:c:earthbound:EarthBound\") end credits (as \"Opening Rock Guitar\").[\\[11\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-11)\n- Attempting to [name](https:\/\/undertale.fandom.com\/wiki\/Names \"Names\") the fallen human \"Gaster\" causes the game to return to the intro.\n  - In the [PS4 and PS Vita versions](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#PS4\/PSVita \"Version Differences\"), this would cause the game to crash. As of v1.03–4, it simply restarts the game.\n- If the protagonist's name is changed to \"Gaster\" [through the SAVE files](https:\/\/undertale.fandom.com\/wiki\/Names#Changing_the_name_in_the_SAVE_files \"Names\"), the ability to reset becomes unavailable as the game restarts upon clicking the Reset button.\n\n[![Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/True_Lab_screenshot_shape_of_a_man.png\/revision\/latest\/scale-to-width-down\/220?cb=20160217004744)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/1\/17\/True_Lab_screenshot_shape_of_a_man.png\/revision\/latest?cb=20160217004744)\n\nExamining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.\n\n- In the True Lab, if the protagonist does not activate the fans and enters the area where the protagonist encounters [Snowdrake's Mother](https:\/\/undertale.fandom.com\/wiki\/Snowdrake%27s_Mother \"Snowdrake's Mother\") and interacts with the second refrigerator in the room, the narration describes a figure obscured by the fog in the shape of a man. This figure could be Gaster. However, it may simply be the \"[watching man](https:\/\/undertale.fandom.com\/wiki\/True_Lab\/NPCs#Watching_Man \"True Lab\/NPCs\")\"[\\[12\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-12) Amalgamate that tucks the protagonist into bed in the True Lab.\n  - It could also be the \"[Man](https:\/\/deltarune.fandom.com\/wiki\/Man \"dr:Man\")\" character from *Deltarune,* as he is described in a similar fashion. The narration also describes another refrigerator as \"a tree, ripe with delicious fruit,\" like those the Man hides behind.\n- The voice bites used in Room 264 (`snd_wngdng1` through `snd_wngdng7`) are excerpts from the text-to-speech voices used in [`abc_123_a`](https:\/\/undertale.fandom.com\/wiki\/Unused_Music_Tracks#abc_123_a \"Unused Music Tracks\"), possibly indicating a connection to Toby Fox or other meta-knowledge.\n- If Entry Number Seventeen is considered, Gaster is the only individual character to have a unique typeface and soundbite without their face accompanying the text box when he talks. The other main-game examples of a unique soundbite but no dialogue portrait are [Mettaton](https:\/\/undertale.fandom.com\/wiki\/Mettaton \"Mettaton\") (during his initial form) and the species of [Temmie](https:\/\/undertale.fandom.com\/wiki\/Temmie \"Temmie\"), though they both keep the Determination Mono typeface.\n- The figure in Room 272 speaks with an asterisk and in lowercase, similar to Sans. Entry Number Seventeen is written in uppercase and without an asterisk, similar to Papyrus.\n- It is possible that Gaster could have created the DT Extraction Machine in the True Lab as Alphys uses blueprints to operate it.[\\[13\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-13) These may be the blueprints found in Sans's Workshop.\n- On the official *Undertale* Tumblr, Sans suggests doing research about [Shyren](https:\/\/undertale.fandom.com\/wiki\/Shyren \"Shyren\")'s lower body. Shyren's head and body are two different beings, but an optical illusion makes them look like one entity.[\\[8\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-info-8)\n  - This could relate to the face that shows up on the body of the Mystery Man. Further interpretation could be that the Mystery Man is actually two different monsters or an [Amalgamate](https:\/\/undertale.fandom.com\/wiki\/Category:Amalgamates \"Category:Amalgamates\"), though this might be contradicted by the fact that Amalgamates were created by [Alphys](https:\/\/undertale.fandom.com\/wiki\/Alphys \"Alphys\").\n- If Mystery Man is turned upside down, their clothing and hands resemble another face. Notably, before interaction, this face appears to be surprised, but after interaction, it appears calmer, contrary to Mystery Man's surprised expression.\n\n[![The modified Uboa sprite used in the Halloween Hack.](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/51\/Dr_Andonuts_Uboa_screenshot.png\/revision\/latest\/scale-to-width-down\/220?cb=20151209082417)](https:\/\/static.wikia.nocookie.net\/undertale\/images\/5\/51\/Dr_Andonuts_Uboa_screenshot.png\/revision\/latest?cb=20151209082417)\n\nThe modified Uboa sprite used in the Halloween Hack.\n\n- Mystery Man shares some visual similarities with [Uboa](https:\/\/yumenikki.fandom.com\/wiki\/Uboa \"w:c:yumenikki:Uboa\") from *[Yume Nikki](https:\/\/yumenikki.fandom.com\/wiki\/Yume_Nikki \"w:c:yumenikki:Yume Nikki\")*. This appearance is also shared with Dr. Andonuts from Toby's *EarthBound* Halloween Hack.\n- In the game files, *Gaster's Theme* is named `mus_st_him`, unlike the other rooms in the sound test that have their song names explicitly shown (such as `mus_st_happytown`).\n- `snd_mysterygo` uses the same piano sound as *Gaster's Theme*.\n- Until [version 1.001](https:\/\/undertale.fandom.com\/wiki\/Version_Differences#Undertale_v1.001 \"Version Differences\"), events related to Gaster were inaccessible unless a SAVE file was edited to have \"fun\" capitalized to \"Fun.\"\n- In a tweet, Toby Fox showed very early concept art for Papyrus. In the same image was a note saying that Papyrus \"had a \\_ named \\_\" with the nouns censored out. It is possible this refers to Gaster, due to the popular theory that Gaster is related to Sans and Papyrus in some way.[\\[14\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-14) This note may also refer to the unimplemented character [Grandpa Semi](https:\/\/undertale.fandom.com\/wiki\/Unused_Music_Tracks#grandpasemi \"Unused Music Tracks\").\n- The Gaster card is not included in the [official *Undertale* tarot,](https:\/\/www.fangamer.com\/products\/undertale-tarot-cards) which indicates that this card is not canon. Toby Fox has also stated the merchandise is not canon.[\\[15\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-15)\n- *Gaster's Theme* is 17 seconds long, possibly alluding to Entry Number Seventeen.\n- Mystery Man appeared faintly on the cover of Fangamer's UNDERTALE Complete Vinyl Soundtrack Box Set for a brief period of time, but the image was removed from later releases.[\\[16\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-16)\n  - Similarly, on the artwork of the [iam8bit vinyl release](https:\/\/materia.store\/products\/undertale-vinyl-soundtrack-toby-fox-iam8bit-2xlp-iam8bit), Mystery Man was removed and replaced by a save point. The art also includes a depiction of \"Redacted,\" which was not changed.[\\[17\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-17)\n- The company founded by Toby Fox in October 2015 to manage the copyrights of *Undertale* and *Deltarune* is named \"Royal Sciences LLC\", possibly referencing Gaster's job as the royal scientist.\n- Gaster is heavily associated with the [Number of the Beast](https:\/\/en.wikipedia.org\/wiki\/Number_of_the_beast \"wikipedia:Number of the beast\") (666), repeating 6s, or the number 6 in general.\n  - Gaster's typeface value in Entry Number Seventeen is 666.\n  - Gaster's unused battle stats found through datamining are all repeating 6s.\n  - All Fun Value events directly related to Gaster are within the 60s range.\n    - The fake hallway in Waterfall, and the Mystery Man's room by extension, is accessible when the Fun Value is 66; the value's only possible number with repeating 6s. This may suggest the figure has a strong connection to Gaster, or may truely be his actual appearance.\n- *Deltarune* contains several references to Gaster, possibly alluding to him being an important character in the game:\n  - An excerpt from Entry Number Seventeen in Wingdings was available on [*Deltarune's* website](https:\/\/web.archive.org\/web\/20151209013205im_\/deltarune.com\/him.png) from 2015. This excerpt would then be [replaced in 2016](https:\/\/web.archive.org\/web\/20161221070931im_\/http:\/\/www.deltarune.com\/him.png) with a paraphrase from [The Legend of Delta Rune](https:\/\/deltarune.fandom.com\/wiki\/Legend_of_Delta_Rune \"dr:Legend of Delta Rune\"), also in Wingdings. The filenames for these images are `him.png`, similar to *Gaster's Theme*.\n  - `mus_smile` is used as the \"garbage noise\" that plays when the [cell phone](https:\/\/deltarune.fandom.com\/wiki\/Cell_Phone \"dr:Cell Phone\") is used in a [Dark World](https:\/\/deltarune.fandom.com\/wiki\/Dark_World \"dr:Dark World\"), and can be heard near the [Bunker](https:\/\/deltarune.fandom.com\/wiki\/Hometown#Mysterious_Bunker \"dr:Hometown\") south of [Hometown](https:\/\/deltarune.fandom.com\/wiki\/Hometown \"dr:Hometown\") further slowed down to 15% speed.\n  - [Seam](https:\/\/deltarune.wiki\/w\/Seam) describes that [Jevil](https:\/\/deltarune.wiki\/w\/Jevil)'s view on the world became *Darker yet Darker* after meeting someone, a reference to Entry 17\n  - During chapter 4, the hymn the choir sings contains multiple references to Entry 17\n  - The \"[Voice](https:\/\/deltarune.fandom.com\/wiki\/Voice \"dr:Voice\")\" character from the game's introduction has several similarities with Gaster, implying they are probably the same:\n    - Leading up to the release of Chapter 1, both English and Japanese *Undertale* Twitter accounts would tweet in-character as the Voice, stating they have something to show to the player that they think they will find \"VERY, VERY, INTERESTING\"; paraphrasing Entry Number Seventeen. [\\[18\\]](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_note-18)\n    - The filename for *Gaster's Theme* in *Undertale* is `mus_st_him`, whereas the OST that plays during *Deltarune's* [introduction](https:\/\/deltarune.fandom.com\/wiki\/Introduction \"dr:Introduction\") is called *[ANOTHER HIM](https:\/\/deltarune.fandom.com\/wiki\/DELTARUNE_Chapter_1_OST#ANOTHER_HIM \"dr:DELTARUNE Chapter 1 OST\")*.\n    - The Vessel created in the introduction is referred to as a \"Goner\" in the files, similarly to Goner Kid, Clam Goner, and Gaster's Followers.\n    - The typeface value for the voice during the introduction is also 666.\n    - The version number for the SURVEY\\_PROGRAM installer for Chapter 1 is 0.6.6.6.\n## See Also\n- [Extracted Resources](https:\/\/tomat.dev\/undertale\/)\n- [Subreddit for Undertale Datamining](https:\/\/www.reddit.com\/r\/Underminers\/)\n- [Steam Guide to W. D. Gaster](https:\/\/steamcommunity.com\/sharedfiles\/filedetails\/?id=520337707)\n## References\n1. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-1 \"Jump up\") *I understand why [ASGORE](https:\/\/undertale.fandom.com\/wiki\/Asgore_Dreemurr \"Asgore Dreemurr\") waited so long to hire a new Royal Scientist. The previous one... Dr. Gaster. His brilliance was irreplaceable.* - Gaster Follower 3\n2. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-2 \"Jump up\") *It makes sense why ASGORE took so long to hire a new Royal Scientist. After all, the old one... Dr. Gaster. What an act to follow\\! They say he created the CORE.* - Gaster Follower 1\n3. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-3 \"Jump up\") [Room 272](https:\/\/www.dropbox.com\/s\/yyorjpkfkmak4ez\/POSSIBLE%20GASTER%202.webm?dl=0)\n4. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-4 \"Jump up\") *Undertale – Disabling Dogcheck (The Annoying Dog Error Room)* - [YouTube](https:\/\/youtu.be\/VANddDKtilE)\n5. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-5 \"Jump up\") *[monsters](https:\/\/undertale.fandom.com\/wiki\/Monsters \"Monsters\")' physical forms can't handle \"determination\" like [humans](https:\/\/undertale.fandom.com\/wiki\/Humans \"Humans\")' can. with too much determination, our bodies begin to break down. everyone's melted together...* - ENTRY NUMBER 17; deleted\n6. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-6 \"Jump up\") *W. D. GASTER \"Mus\\_Smile\" Dissected\\!* - [YouTube](https:\/\/youtu.be\/FfGXVxXALa0)\n7. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-7 \"Jump up\") <https:\/\/www.reddit.com\/r\/Deltarune\/comments\/9tbs15\/we_finally_found_g_follower_3s_corresponding\/>\n8. ↑ [Jump up to: 8\\.0](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-info_8-0) [8\\.1](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-info_8-1) *for honesty's sake, investigate the truth for yourself, then ask: how is this going to help people? besides, it's rude to talk about people that are listening, right? not everyone is as tough as my brother.* - [undertale on Tumblr,](http:\/\/undertale.tumblr.com\/post\/130552032545) October 05, 2015.\n9. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-9 \"Jump up\") *(It's hard to read because of the handwriting, but you try your best...)* - Alphys's note\n10. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-10 \"Jump up\") *@rcrkar3 You've all seen the happiest outcome. Neither of them could fix the machine, no matter how hard they tried. No one can.* - [@FwugRadiation on Twitter,](https:\/\/web.archive.org\/web\/20151107003935\/https:\/\/twitter.com\/FwugRadiation\/status\/644973310481166340) September 18, 2015. Archived on November 07, 2015.\n11. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-11 \"Jump up\") *MOTHER 2 \/ EarthBound Factoids & Trivia* - [STARMEN.NET](https:\/\/starmen.net\/mother2\/gameinfo\/factoids\/)\n12. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-12 \"Jump up\") The sprite name for this character is **spr\\_watchingman\\_0**.\n13. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-13 \"Jump up\") *I've done it. Using the blueprints, I've extracted it from the human [SOULs](https:\/\/undertale.fandom.com\/wiki\/SOUL \"SOUL\"). I believe this is what gives their SOULs the strength to persist after death. The will to keep living... The resolve to change fate. Let's call this power... \"Determination.\"* - True Lab, Entry Number 5\n14. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-14 \"Jump up\") *(apparently) the genesis of papyrus* - [Toby Fox (@tobyfox) on Twitter,](https:\/\/twitter.com\/tobyfox\/status\/818211590696800258) January 08, 2017.\n15. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-15 \"Jump up\") *Some people wonder about canonicity of UNDERTALE merchandise. None of it is canon (incl. the figurines) except this* - [Toby Fox (@tobyfox) on Twitter,](https:\/\/twitter.com\/tobyfox\/status\/802147835244400640) November 25, 2016.\n16. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-16 \"Jump up\") *I edited the image of Gaster from the Undertale vinyl cover to try to see his face better.* - [wingdingaster on Tumblr,](http:\/\/wingdingaster.tumblr.com\/post\/629602553219481600) September 18, 2020.\n17. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-17 \"Jump up\") *He didn't deserve this* - [@jojoton56 on Twitter,](https:\/\/twitter.com\/jojoton56\/status\/1801027633460764877) June 12, 2024.\n18. [↑](https:\/\/undertale.fandom.com\/wiki\/W._D._Gaster#cite_ref-18 \"Jump up\") *SOMETHING I THINK YOU WILL FIND VERY, VERY, INTERESTING* - [@UnderTale on Twitter,](https:\/\/twitter.com\/UnderTale\/status\/1057250519733952523) October 30, 2018.","meta_canonical":null}

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URL	https://undertale.fandom.com/wiki/W._D._Gaster
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Meta Title	W. D. Gaster \| Undertale Wiki \| Fandom
Meta Description	Beware of the man who speaks in hands. River Person Dr. W. D. Gaster is a mysterious character who was the Royal Scientist before Alphys, and was stated to have irreplaceable brilliance.[1] His followers say that he created the CORE[2] and has disappeared. During normal gameplay, Gaster is...
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Boilerpipe Text	Undertale Wiki Explore Main Page Discuss All Pages Community Interactive Maps Main Characters Flowey Toriel Sans Papyrus Undyne Alphys Mettaton Asgore Frisk Chara Minibosses Napstablook Doggo Dogamy and Dogaressa Greater Dog Glyde Mad Dummy Royal Guards Muffet So Sorry NPCs Monster Kid Snowdin NPCs Waterfall NPCs Hotland NPCs MTT Resort NPCs Vendors Nice Cream Guy Snowdin Shopkeeper Gerson Tem Shop Bratty and Catty Burgerpants Items Consumables Weapons Armor Miscellaneous Locations Ruins Snowdin Waterfall Hotland CORE Music Endings Neutral True Pacifist Genocide Hard Mode Miscellaneous Plot Mechanics Gameplay Mechanics Real World Staff Virgalyssa KockaAdmiralac Policies Code of Conduct Manual of Style Page organization Discussions Discord Maintenance Applications Skip to content Explore Main Page Discuss All Pages Community Interactive Maps Main Characters Flowey Toriel Sans Papyrus Undyne Alphys Mettaton Asgore Frisk Chara Minibosses Napstablook Doggo Dogamy and Dogaressa Greater Dog Glyde Mad Dummy Royal Guards Muffet So Sorry NPCs Monster Kid Snowdin NPCs Waterfall NPCs Hotland NPCs MTT Resort NPCs Vendors Nice Cream Guy Snowdin Shopkeeper Gerson Tem Shop Bratty and Catty Burgerpants Items Consumables Weapons Armor Miscellaneous Locations Ruins Snowdin Waterfall Hotland CORE Music Endings Neutral True Pacifist Genocide Hard Mode Miscellaneous Plot Mechanics Gameplay Mechanics Real World Staff Virgalyssa KockaAdmiralac Policies Code of Conduct Manual of Style Page organization Discussions Discord Maintenance Applications W. D. Gaster Beware of the man who speaks in hands. River Person Dr. W. D. Gaster is a mysterious character who was the Royal Scientist before Alphys , and was stated to have irreplaceable brilliance. [ 1 ] His followers say that he created the CORE [ 2 ] and has disappeared. During normal gameplay, Gaster is typically unmentioned. Despite this, the River Person , rare Fun Value events, and certain Inaccessible Rooms hint at his existence. This includes Room 264 , named room_gaster. In particular, Gaster's followers speak of what might have been his fate. One of them says that he "fell into his creation," another claims that "his experiments went wrong," and a third claims he was "shattered across time and space." Similar to Sans and Papyrus , Gaster's dialogue uses a unique typeface, named Wingdings . 1 Profile 1.1 Appearance 1.1.1 Room 268 and 269 1.1.2 Room 123 1.1.3 Room 272 1.1.4 Hotland 1.1.5 The Stable 2 Main Story 2.1 Room 264 2.2 "The Man who Speaks in Hands" 2.3 Sound Test Room 3 Relationships 3.1 Goner Kid 3.2 Gaster's Followers 3.3 Goner Clam Girl 3.4 Sans 4 Gallery 5 Trivia 6 See Also 7 References Profile Appearance W. D. Gaster does not have an officially known form, but there are several rooms and unused assets found in Waterfall that point to what he may have looked like. Room 268 and 269 Surprised Mystery Man. In Room 269 (room_mysteryman), a figure (spr_mysteryman) widely believed to be Gaster can be found. The figure is black and white with a distorted, cracked face probably because they may have been injected with determination and melted due to not being able to handle determination. Unlike every other NPC, they have no collision physics, and interacting with them causes them to react in surprise and vanish while a sound effect plays. This room can only be accessed when the game's fun value (which can be changed by editing file0 and undertale.ini ) is set to 66. In this scenario, Room 268 (room_water_fakehallway), a hallway with a 10% chance to contain a gray door, appears between Room 94 (room_water_savepoint1) and Room 95 (room_water11). These are the "Crystal" SAVE Point and Sans's telescope rooms, respectively. The door in the aforementioned hallway leads to Room 269. Once the protagonist leaves Room 269 back into Room 268, the door disappears from the corridor, though it is possible to exit the room and trigger the door's reappearance, as the fun values do not reset until the protagonist leaves the hall. The corridor itself becomes inaccessible once the protagonist leaves it and all values drop to 0. Upon attempting to call someone using the Cell Phone in either of these rooms, the default message "There's no response..." appears. Room 123 Room 123 (room_water_prebird) is a removed corridor with tall grass that is presumed to connect Room 99 (room_water_bird), where the Small Bird is located, and Room 116 (room_water_friendlyhub), where the six-way fork in Waterfall is. The characters in this area mention that this corridor is a bug catching spot. Room 123 An unknown character on the left side of the tall grass mentions that "there is somebody with a creepy smile behind you." The unseen character presumably disappears after the dialogue is triggered. The character with the "creepy smile" is possibly the Mystery Man seen in Room 269 which may be Gaster, and the evidence supporting this theory lies within the word "smile" in the dialogue, as the track that plays in Entry Number Seventeen is named mus_smile . However, it could also be Flowey (who follows the protagonist throughout the game), Sans, or even the fallen human . Room 272 Room 272 Room 272 is black and has a ghostly figure (nicknamed "Redacted", as the file name for it is spr_redacted_a ) in the middle of it that becomes less transparent as the protagonist approaches. If the protagonist attempts a conversation with the NPC, it returns "* [redacted]" in lowercase Wingdings, which implies that a conversation was planned here but was removed for security purposes. [ 3 ] Exiting Room 272 leads to the Sound Test Room , where the player can listen to Gaster's Theme . To access this room and avoid the Annoying Dog error screens, a hexadecimal editor needs to be used to change the "Dogcheck" value. [ 4 ] Hotland A Follower of W.D. Gaster states that they're "holding a piece of him right here." The Stable An unused sprite for the stable. Inside the game's files are strings of text that implicate a horse stable was planned to be put into the game. There would be a trash can where a key can be found; if the key is brought to the stable, the same figure from Room 272 appears and says "* x" in Wingdings. Main Story Room 264 Entry Number Seventeen. In Room 264 (room_gaster), the text below is displayed in uppercase Wingdings. While it appears to be the missing seventeenth lab entry from the True Lab , this could be a red herring, as there was an alternate seventeenth entry in the game's files prior to version 1.001-4 , which added Japanese localization. The alternate entry is heavily implied to have been written by Alphys, as it mirrors her entry format, writing style, and correlates with her Determination experiments. [ 5 ] Both entries are inaccessible in normal gameplay; Alphys's entry can only be found in the game's text files, and Gaster's entry is only accessible through SAVE manipulation or debug mode. Room 264 immediately follows the generator room in the True Lab. Transliteration of the Wingdings text is as follows: ENTRY NUMBER SEVENTEEN DARK DARKER YET DARKER THE DARKNESS KEEPS GROWING THE SHADOWS CUTTING DEEPER PHOTON READINGS NEGATIVE THIS NEXT EXPERIMENT SEEMS VERY VERY INTERESTING ... WHAT DO YOU TWO THINK Once the message ends, the screen turns black for a second before the game closes. The audio that plays during the entry is labeled as " mus_smile " in the game files. This file can be sped up by 1000% to reveal Muffet 's laugh, reversed, and then looped over. [ 6 ] An excerpt from Entry Number Seventeen was also available at deltarune.com/him.png from 2015. "The Man who Speaks in Hands" River Person's hands speech. During one of the travels with River Person, they say "Beware of the man who speaks in hands." There is speculation that this alludes to Gaster since the Wingdings typeface used in Entry Number Seventeen (room_gaster) uses hand symbols. River Person's other world speech. A similar line from the River Person is "Beware of the man who came from the other world." Considering the similarities it shares with the previous quote, it might either refer to Gaster or the monster So Sorry , whose check text reads "This creature is definitely in the wrong time and space!" as well as the file name of So Sorry's theme being mus_wrongworld . Sound Test Room If the Fun Value is 65 and Papyrus has been defeated, there is a 50% chance the player can enter the Sound Test room by going north of the "Box Road" save point in Snowdin Forest (or by exiting Room 272 regardless of Fun Value). This "room" is a menu containing four short, looping songs, including Gaster's Theme ; neither of which are used anywhere else in the game. Upon playing Gaster's Theme , the other three songs are unable to be played again even if the player tries to do so. After Gaster's Theme plays for 20 seconds, the text "Thanks for your feedback! Be seeing you soon!" is displayed and either the protagonist is put in the room with the fishing pole in Snowdin Forest or (if the player came from Room 272) the game crashes, suggesting Room 272 was intended to be focused on Gaster. Relationships Goner Kid Main article: Waterfall/NPCs#Goner Kid There is some inconclusive evidence as to whether Goner Kid is actually related to Gaster. Like Gaster's followers, Goner Kid's sprite has minor differences compared to the monster their sprite is based on. Goner Kid's clothing has a blocky, checkerboard-like pattern, they have a bow or two horns/spines on one side, two lines behind their head, and their eyes have no pupils. However, unlike Gaster's followers, the protagonist's phone works if they attempt to use their cell phone while in the room, and Goner Kid never mentions Gaster's name. Gaster's Followers The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on. Main article: Hotland/NPCs#Gaster's Followers Gaster's Followers are gray NPCs that are found near the elevators in Hotland when the fun variable is at a certain value. They all resemble certain NPCs in the game but with a few minor differences (excluding Gaster Follower 3, though an NPC in Deltarune resembles them [ 7 ] ). If the protagonist tries to call Papyrus (or Papyrus and Undyne ) while in a room with a follower, they only get the line "The phone won't turn on." The protagonist can still attempt to reach Toriel over the phone. The phone works normally after leaving the room. Goner Clam Girl Main article: Waterfall/NPCs#Clam Girl Goner Clam Girl , also known as Clam Goner, is a Waterfall NPC exclusive to the Nintendo Switch , Xbox One, and Xbox Series X\|S versions of Undertale . If the fun value is exactly 81, Clam Girl has alternate dialogue in the True Pacifist Route epilogue. At the final line of her dialogue, Clam Girl turns into Goner Clam Girl, and the song Reunited stops. She then disappears with the same sound effect as Mystery Man and Gaster Follower 2, which shows a possible connection to Gaster. Sans Sans is presumed to have a connection with W. D. Gaster due to the workshop behind his house and the name of his weapons used in the Genocide Route . Goner Kid, the NPC that discusses alternate timelines, says, "An umbrella...? But it's not raining." This may relate to the song " It's Raining Somewhere Else " which plays when Sans takes the protagonist out to dinner in the MTT Resort and in his workshop. The official Undertale Tumblr features a post, written in-character as Sans, that includes the line "besides, it's rude to talk about people that are listening, right?" [ 8 ] This quote is similar to a line from Gaster Follower 3. This may be a coincidence, however, as the content of the post itself doesn’t appear to relate to Gaster. Sans's secret lab. Room 80 (room_tundra_sansbasement) is a workshop that has four drawers and a strange machine covered up with a curtain. One drawer contains a badge, and another contains a photo album with numerous people that the protagonist does not recognize. If the protagonist has encountered Clam Girl earlier in the route, interacting with the drawer causes a card to slip into the protagonist's view; it displays a poorly drawn picture of 3 people, with the words "don't forget" written on it. The other two drawers causes the protagonist to read the blueprint on the countertop, which is said to be written in unintelligible symbols or handwriting that could potentially be related to W. D. Gaster or Alphys, as she also writes in illegible handwriting, as shown in the note before entering the True Lab. [ 9 ] The note written on the picture with three people is most likely from Sans; Unlike Papyrus, he does not write in his typeface, which can be seen when the protagonist reads the note on his treadmill. In Room 264 in one of the parts of Gaster's version of Entry Number 17, he says, "WHAT DO YOU TWO THINK". By "two," Gaster may be referring to Sans and Alphys, as it is hinted at the end of the True Pacifist Route that they had a past together and Gaster could be the missing link to where they possibly could have had a relationship. A "Gaster Blaster" Sans uses in battle. The broken machine in the room has been said to be unfixable according to Toby Fox . [ 10 ] This means that the machine was never meant to be fixed. Additionally, one of the types of attacks Sans uses against the protagonist during his boss fight in the Genocide Route is called the "Gaster Blaster," suggesting it's connected to W. D. Gaster. If the Genocide Route is aborted by sparing Papyrus and the protagonist interacts with his box of bones, Papyrus says that if he had used his "special attack," he would have "blasted" the protagonist away, but suddenly realizes that he can't find it. The use of the verb "blast" implies a connection to the Gaster Blaster, suggesting that the Gaster Blaster was either Papyrus's missing special attack or was somehow created by Sans from Papyrus's attack. Gallery Trivia "W. D. Gaster" is presumed to be a combination of the fonts "Wingdings" (the font Entry 17 is written in) and "Aster" (similar to the font Sans snores in during his battle). W. D. Gaster's name could also be a reference to "M.D. Seeger," the alias of Shigeru Miyamoto used in the EarthBound end credits (as "Opening Rock Guitar"). [ 11 ] Attempting to name the fallen human "Gaster" causes the game to return to the intro. In the PS4 and PS Vita versions , this would cause the game to crash. As of v1.03–4, it simply restarts the game. If the protagonist's name is changed to "Gaster" through the SAVE files , the ability to reset becomes unavailable as the game restarts upon clicking the Reset button. Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster. In the True Lab, if the protagonist does not activate the fans and enters the area where the protagonist encounters Snowdrake's Mother and interacts with the second refrigerator in the room, the narration describes a figure obscured by the fog in the shape of a man. This figure could be Gaster. However, it may simply be the " watching man " [ 12 ] Amalgamate that tucks the protagonist into bed in the True Lab. It could also be the " Man " character from Deltarune, as he is described in a similar fashion. The narration also describes another refrigerator as "a tree, ripe with delicious fruit," like those the Man hides behind. The voice bites used in Room 264 ( snd_wngdng1 through snd_wngdng7 ) are excerpts from the text-to-speech voices used in abc_123_a , possibly indicating a connection to Toby Fox or other meta-knowledge. If Entry Number Seventeen is considered, Gaster is the only individual character to have a unique typeface and soundbite without their face accompanying the text box when he talks. The other main-game examples of a unique soundbite but no dialogue portrait are Mettaton (during his initial form) and the species of Temmie , though they both keep the Determination Mono typeface. The figure in Room 272 speaks with an asterisk and in lowercase, similar to Sans. Entry Number Seventeen is written in uppercase and without an asterisk, similar to Papyrus. It is possible that Gaster could have created the DT Extraction Machine in the True Lab as Alphys uses blueprints to operate it. [ 13 ] These may be the blueprints found in Sans's Workshop. On the official Undertale Tumblr, Sans suggests doing research about Shyren 's lower body. Shyren's head and body are two different beings, but an optical illusion makes them look like one entity. [ 8 ] This could relate to the face that shows up on the body of the Mystery Man. Further interpretation could be that the Mystery Man is actually two different monsters or an Amalgamate , though this might be contradicted by the fact that Amalgamates were created by Alphys . If Mystery Man is turned upside down, their clothing and hands resemble another face. Notably, before interaction, this face appears to be surprised, but after interaction, it appears calmer, contrary to Mystery Man's surprised expression. The modified Uboa sprite used in the Halloween Hack. Mystery Man shares some visual similarities with Uboa from Yume Nikki . This appearance is also shared with Dr. Andonuts from Toby's EarthBound Halloween Hack. In the game files, Gaster's Theme is named mus_st_him , unlike the other rooms in the sound test that have their song names explicitly shown (such as mus_st_happytown ). snd_mysterygo uses the same piano sound as Gaster's Theme . Until version 1.001 , events related to Gaster were inaccessible unless a SAVE file was edited to have "fun" capitalized to "Fun." In a tweet, Toby Fox showed very early concept art for Papyrus. In the same image was a note saying that Papyrus "had a _ named _" with the nouns censored out. It is possible this refers to Gaster, due to the popular theory that Gaster is related to Sans and Papyrus in some way. [ 14 ] This note may also refer to the unimplemented character Grandpa Semi . The Gaster card is not included in the official Undertale tarot, which indicates that this card is not canon. Toby Fox has also stated the merchandise is not canon. [ 15 ] Gaster's Theme is 17 seconds long, possibly alluding to Entry Number Seventeen. Mystery Man appeared faintly on the cover of Fangamer's UNDERTALE Complete Vinyl Soundtrack Box Set for a brief period of time, but the image was removed from later releases. [ 16 ] Similarly, on the artwork of the iam8bit vinyl release , Mystery Man was removed and replaced by a save point. The art also includes a depiction of "Redacted," which was not changed. [ 17 ] The company founded by Toby Fox in October 2015 to manage the copyrights of Undertale and Deltarune is named "Royal Sciences LLC", possibly referencing Gaster's job as the royal scientist. Gaster is heavily associated with the Number of the Beast (666), repeating 6s, or the number 6 in general. Gaster's typeface value in Entry Number Seventeen is 666. Gaster's unused battle stats found through datamining are all repeating 6s. All Fun Value events directly related to Gaster are within the 60s range. The fake hallway in Waterfall, and the Mystery Man's room by extension, is accessible when the Fun Value is 66; the value's only possible number with repeating 6s. This may suggest the figure has a strong connection to Gaster, or may truely be his actual appearance. Deltarune contains several references to Gaster, possibly alluding to him being an important character in the game: An excerpt from Entry Number Seventeen in Wingdings was available on Deltarune's website from 2015. This excerpt would then be replaced in 2016 with a paraphrase from The Legend of Delta Rune , also in Wingdings. The filenames for these images are him.png , similar to Gaster's Theme . mus_smile is used as the "garbage noise" that plays when the cell phone is used in a Dark World , and can be heard near the Bunker south of Hometown further slowed down to 15% speed. Seam describes that Jevil 's view on the world became Darker yet Darker after meeting someone, a reference to Entry 17 During chapter 4, the hymn the choir sings contains multiple references to Entry 17 The " Voice " character from the game's introduction has several similarities with Gaster, implying they are probably the same: Leading up to the release of Chapter 1, both English and Japanese Undertale Twitter accounts would tweet in-character as the Voice, stating they have something to show to the player that they think they will find "VERY, VERY, INTERESTING"; paraphrasing Entry Number Seventeen. [ 18 ] The filename for Gaster's Theme in Undertale is mus_st_him , whereas the OST that plays during Deltarune's introduction is called ANOTHER HIM . The Vessel created in the introduction is referred to as a "Goner" in the files, similarly to Goner Kid, Clam Goner, and Gaster's Followers. The typeface value for the voice during the introduction is also 666. The version number for the SURVEY_PROGRAM installer for Chapter 1 is 0.6.6.6. See Also Extracted Resources Subreddit for Undertale Datamining Steam Guide to W. D. Gaster References ↑ I understand why ASGORE waited so long to hire a new Royal Scientist. The previous one... Dr. Gaster. His brilliance was irreplaceable. - Gaster Follower 3 ↑ It makes sense why ASGORE took so long to hire a new Royal Scientist. After all, the old one... Dr. Gaster. What an act to follow! They say he created the CORE. - Gaster Follower 1 ↑ Room 272 ↑ Undertale – Disabling Dogcheck (The Annoying Dog Error Room) - YouTube ↑ monsters ' physical forms can't handle "determination" like humans ' can. with too much determination, our bodies begin to break down. everyone's melted together... - ENTRY NUMBER 17; deleted ↑ W. D. GASTER "Mus_Smile" Dissected! - YouTube ↑ https://www.reddit.com/r/Deltarune/comments/9tbs15/we_finally_found_g_follower_3s_corresponding/ ↑ Jump up to: 8.0 8.1 for honesty's sake, investigate the truth for yourself, then ask: how is this going to help people? besides, it's rude to talk about people that are listening, right? not everyone is as tough as my brother. - undertale on Tumblr, October 05, 2015. ↑ (It's hard to read because of the handwriting, but you try your best...) - Alphys's note ↑ @rcrkar3 You've all seen the happiest outcome. Neither of them could fix the machine, no matter how hard they tried. No one can. - @FwugRadiation on Twitter, September 18, 2015. Archived on November 07, 2015. ↑ MOTHER 2 / EarthBound Factoids & Trivia - STARMEN.NET ↑ The sprite name for this character is spr_watchingman_0 . ↑ I've done it. Using the blueprints, I've extracted it from the human SOULs . I believe this is what gives their SOULs the strength to persist after death. The will to keep living... The resolve to change fate. Let's call this power... "Determination." - True Lab, Entry Number 5 ↑ (apparently) the genesis of papyrus - Toby Fox (@tobyfox) on Twitter, January 08, 2017. ↑ Some people wonder about canonicity of UNDERTALE merchandise. None of it is canon (incl. the figurines) except this - Toby Fox (@tobyfox) on Twitter, November 25, 2016. ↑ I edited the image of Gaster from the Undertale vinyl cover to try to see his face better. - wingdingaster on Tumblr, September 18, 2020. ↑ He didn't deserve this - @jojoton56 on Twitter, June 12, 2024. ↑ SOMETHING I THINK YOU WILL FIND VERY, VERY, INTERESTING - @UnderTale on Twitter, October 30, 2018.
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[Page organization](https://undertale.fandom.com/wiki/Undertale_Wiki:Page_organization) - [Discussions](https://undertale.fandom.com/wiki/Undertale_Wiki:Discussions_guidelines) - [Discord](https://undertale.fandom.com/wiki/Undertale_Wiki:Discord) - [Maintenance](https://undertale.fandom.com/wiki/Undertale_Wiki:Maintenance) - [Applications](https://undertale.fandom.com/wiki/Undertale_Wiki:Applications) ## Contents - [1 Profile](https://undertale.fandom.com/wiki/W._D._Gaster#Profile) - [1\.1 Appearance](https://undertale.fandom.com/wiki/W._D._Gaster#Appearance) - [1\.1.1 Room 268 and 269](https://undertale.fandom.com/wiki/W._D._Gaster#Room_268_and_269) - [1\.1.2 Room 123](https://undertale.fandom.com/wiki/W._D._Gaster#Room_123) - [1\.1.3 Room 272](https://undertale.fandom.com/wiki/W._D._Gaster#Room_272) - [1\.1.4 Hotland](https://undertale.fandom.com/wiki/W._D._Gaster#Hotland) - [1\.1.5 The Stable](https://undertale.fandom.com/wiki/W._D._Gaster#The_Stable) - [2 Main Story](https://undertale.fandom.com/wiki/W._D._Gaster#Main_Story) - [2\.1 Room 264](https://undertale.fandom.com/wiki/W._D._Gaster#Room_264) - [2\.2 "The Man who Speaks in Hands"](https://undertale.fandom.com/wiki/W._D._Gaster#"The_Man_who_Speaks_in_Hands") - [2\.3 Sound Test Room](https://undertale.fandom.com/wiki/W._D._Gaster#Sound_Test_Room) - [3 Relationships](https://undertale.fandom.com/wiki/W._D._Gaster#Relationships) - [3\.1 Goner Kid](https://undertale.fandom.com/wiki/W._D._Gaster#Goner_Kid) - [3\.2 Gaster's Followers](https://undertale.fandom.com/wiki/W._D._Gaster#Gaster's_Followers) - [3\.3 Goner Clam Girl](https://undertale.fandom.com/wiki/W._D._Gaster#Goner_Clam_Girl) - [3\.4 Sans](https://undertale.fandom.com/wiki/W._D._Gaster#Sans) - [4 Gallery](https://undertale.fandom.com/wiki/W._D._Gaster#Gallery) - [5 Trivia](https://undertale.fandom.com/wiki/W._D._Gaster#Trivia) - [6 See Also](https://undertale.fandom.com/wiki/W._D._Gaster#See_Also) - [7 References](https://undertale.fandom.com/wiki/W._D._Gaster#References) in: [Enemies](https://undertale.fandom.com/wiki/Category:Enemies "Category:Enemies"), [Characters](https://undertale.fandom.com/wiki/Category:Characters "Category:Characters") English - [Deutsch](https://undertale.fandom.com/de/wiki/W._D._Gaster) - [Español](https://undertale.fandom.com/es/wiki/W._D._Gaster) - [Suomi](https://undertale.fandom.com/fi/wiki/W.D_gaster) - [Français](https://undertale.fandom.com/fr/wiki/W._D._Gaster) - [日本語](https://undertale.fandom.com/ja/wiki/W._D._Gaster) - [Polski](https://undertale.fandom.com/pl/wiki/W._D._Gaster) - [Português do Brasil](https://undertale.fandom.com/pt-br/wiki/W.D._Gaster) - [Русский](https://undertale.fandom.com/ru/wiki/%D0%92._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80) - [Українська](https://undertale.fandom.com/uk/wiki/%D0%A1%D1%82._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80) - [中文](https://undertale.fandom.com/zh/wiki/W._D._Gaster) # W. D. Gaster [15+](https://undertale.fandom.com/wiki/W._D._Gaster#article-discussions) [Sign In to Save Save](https://auth.fandom.com/signin?redirect=https%3A%2F%2Fundertale.fandom.com%2Fwiki%2FW._D._Gaster&uselang=en&metadata=collections-save-button "Sign In to Save") [View source](https://undertale.fandom.com/wiki/W._D._Gaster?action=edit) - [History](https://undertale.fandom.com/wiki/W._D._Gaster?action=history) - [Purge](https://undertale.fandom.com/wiki/W._D._Gaster?action=purge) - [Talk (10)](https://undertale.fandom.com/wiki/Talk:W._D._Gaster) ## W.D Gaster - Possible Sprite (Mystery Man) - Possible Sprite (Redacted) [![Possible Sprite (Mystery Man)](https://static.wikia.nocookie.net/undertale/images/d/de/Mysteryman_overworld.png/revision/latest?cb=20210114161402)](https://static.wikia.nocookie.net/undertale/images/d/de/Mysteryman_overworld.png/revision/latest?cb=20210114161402 "Possible Sprite (Mystery Man)") [![Possible Sprite (Redacted)](https://static.wikia.nocookie.net/undertale/images/0/08/Redacted_overworld.png/revision/latest?cb=20160910090714)](https://static.wikia.nocookie.net/undertale/images/0/08/Redacted_overworld.png/revision/latest?cb=20160910090714 "Possible Sprite (Redacted)") 2 sprites speculated to be W. D. Gaster ## Character Information ### Also known as - Doctor W.D. Gaster ([Gaster Follower](https://undertale.fandom.com/wiki/Hotland/NPCs#Gaster's_Followers "Hotland/NPCs") 2) - Dr. Gaster (Gaster Followers 3 and 1) - Gaster (Enemy data) ### Relationships - [Asgore](https://undertale.fandom.com/wiki/Asgore_Dreemurr "Asgore Dreemurr") (former boss) - [Alphys](https://undertale.fandom.com/wiki/Alphys "Alphys") (successor as Royal Scientist) - [Sans](https://undertale.fandom.com/wiki/Sans "Sans") (possible associate) - Gaster's Followers - [Roaring Knight](https://deltarune.fandom.com/wiki/Roaring_Knight) (possible associate) ### Leitmotif [Gaster's Theme](https://undertale.fandom.com/wiki/Fun_Value#Gaster's_Theme "Fun Value") ## Battle Information ### HP 666666 (Datamined stats) ### AT 66666 ### DF 66666 ### EXP On Kill \-6666 ### GOLD On Win \-6666 > Beware of the man who speaks in hands. > > [River Person](https://undertale.fandom.com/wiki/River_Person "River Person") Dr. W. D. Gaster is a mysterious character who was the Royal Scientist before [Alphys](https://undertale.fandom.com/wiki/Alphys "Alphys"), and was stated to have irreplaceable brilliance.[\[1\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-1) His [followers](https://undertale.fandom.com/wiki/Hotland/NPCs#Gaster's_Followers "Hotland/NPCs") say that he created the [CORE](https://undertale.fandom.com/wiki/CORE "CORE")[\[2\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-2) and has disappeared. During normal gameplay, Gaster is typically unmentioned. Despite this, the [River Person](https://undertale.fandom.com/wiki/River_Person "River Person"), rare [Fun Value](https://undertale.fandom.com/wiki/Fun_Value "Fun Value") events, and certain [Inaccessible Rooms](https://undertale.fandom.com/wiki/Inaccessible_Rooms "Inaccessible Rooms") hint at his existence. This includes [Room 264](https://undertale.fandom.com/wiki/W._D._Gaster#Room_264), named room\_gaster. In particular, Gaster's followers speak of what might have been his fate. One of them says that he "fell into his creation," another claims that "his experiments went wrong," and a third claims he was "shattered across time and space." Similar to [Sans](https://undertale.fandom.com/wiki/Sans "Sans") and [Papyrus](https://undertale.fandom.com/wiki/Papyrus "Papyrus"), Gaster's dialogue uses a unique typeface, named [Wingdings](https://en.wikipedia.org/wiki/Wingdings "wikipedia:Wingdings"). ## Contents - [1 Profile](https://undertale.fandom.com/wiki/W._D._Gaster#Profile) - [1\.1 Appearance](https://undertale.fandom.com/wiki/W._D._Gaster#Appearance) - [1\.1.1 Room 268 and 269](https://undertale.fandom.com/wiki/W._D._Gaster#Room_268_and_269) - [1\.1.2 Room 123](https://undertale.fandom.com/wiki/W._D._Gaster#Room_123) - [1\.1.3 Room 272](https://undertale.fandom.com/wiki/W._D._Gaster#Room_272) - [1\.1.4 Hotland](https://undertale.fandom.com/wiki/W._D._Gaster#Hotland) - [1\.1.5 The Stable](https://undertale.fandom.com/wiki/W._D._Gaster#The_Stable) - [2 Main Story](https://undertale.fandom.com/wiki/W._D._Gaster#Main_Story) - [2\.1 Room 264](https://undertale.fandom.com/wiki/W._D._Gaster#Room_264) - [2\.2 "The Man who Speaks in Hands"](https://undertale.fandom.com/wiki/W._D._Gaster#"The_Man_who_Speaks_in_Hands") - [2\.3 Sound Test Room](https://undertale.fandom.com/wiki/W._D._Gaster#Sound_Test_Room) - [3 Relationships](https://undertale.fandom.com/wiki/W._D._Gaster#Relationships) - [3\.1 Goner Kid](https://undertale.fandom.com/wiki/W._D._Gaster#Goner_Kid) - [3\.2 Gaster's Followers](https://undertale.fandom.com/wiki/W._D._Gaster#Gaster's_Followers) - [3\.3 Goner Clam Girl](https://undertale.fandom.com/wiki/W._D._Gaster#Goner_Clam_Girl) - [3\.4 Sans](https://undertale.fandom.com/wiki/W._D._Gaster#Sans) - [4 Gallery](https://undertale.fandom.com/wiki/W._D._Gaster#Gallery) - [5 Trivia](https://undertale.fandom.com/wiki/W._D._Gaster#Trivia) - [6 See Also](https://undertale.fandom.com/wiki/W._D._Gaster#See_Also) - [7 References](https://undertale.fandom.com/wiki/W._D._Gaster#References) ## Profile ### Appearance W. D. Gaster does not have an officially known form, but there are several rooms and unused assets found in [Waterfall](https://undertale.fandom.com/wiki/Waterfall "Waterfall") that point to what he may have looked like. #### Room 268 and 269 [![Surprised Mystery Man.](https://static.wikia.nocookie.net/undertale/images/f/f0/Mysteryman_overworld_2.png/revision/latest?cb=20210225010902)](https://static.wikia.nocookie.net/undertale/images/f/f0/Mysteryman_overworld_2.png/revision/latest?cb=20210225010902) [![Surprised Mystery Man.](https://static.wikia.nocookie.net/undertale/images/f/f0/Mysteryman_overworld_2.png/revision/latest?cb=20210225010902)](https://static.wikia.nocookie.net/undertale/images/f/f0/Mysteryman_overworld_2.png/revision/latest?cb=20210225010902) Surprised Mystery Man. In Room 269 (room\_mysteryman), a figure (spr\_mysteryman) widely believed to be Gaster can be found. The figure is black and white with a distorted, cracked face probably because they may have been injected with determination and melted due to not being able to handle determination. Unlike every other NPC, they have no collision physics, and interacting with them causes them to react in surprise and vanish while a sound effect plays. This room can only be accessed when the game's fun value (which can be changed by editing `file0` and `undertale.ini`) is set to 66. In this scenario, Room 268** (room\_water\_fakehallway), a hallway with a 10% chance to contain a gray door, appears between Room 94 (room\_water\_savepoint1) and Room 95 (room\_water11). These are the "Crystal" [SAVE Point](https://undertale.fandom.com/wiki/SAVE_Point "SAVE Point") and Sans's telescope rooms, respectively. The door in the aforementioned hallway leads to Room 269. Once [the protagonist](https://undertale.fandom.com/wiki/Frisk "Frisk") leaves Room 269 back into Room 268, the door disappears from the corridor, though it is possible to exit the room and trigger the door's reappearance, as the fun values do not reset until the protagonist leaves the hall. The corridor itself becomes inaccessible once the protagonist leaves it and all values drop to 0. Upon attempting to call someone using the [Cell Phone](https://undertale.fandom.com/wiki/Cell_Phone "Cell Phone") in either of these rooms, the default message "There's no response..." appears. #### Room 123 [Room 123](https://undertale.fandom.com/wiki/Inaccessible_Rooms#Room_123 "Inaccessible Rooms") (room\_water\_prebird) is a removed corridor with tall grass that is presumed to connect Room 99 (room\_water\_bird), where the [Small Bird](https://undertale.fandom.com/wiki/Waterfall/NPCs#Small_Bird "Waterfall/NPCs") is located, and Room 116 (room\_water\_friendlyhub), where the six-way fork in Waterfall is. The characters in this area mention that this corridor is a bug catching spot. [![Room 123](https://static.wikia.nocookie.net/undertale/images/c/ca/Room_123_location.png/revision/latest/scale-to-width-down/180?cb=20151125200719)](https://static.wikia.nocookie.net/undertale/images/c/ca/Room_123_location.png/revision/latest?cb=20151125200719) [![Room 123](https://static.wikia.nocookie.net/undertale/images/c/ca/Room_123_location.png/revision/latest/scale-to-width-down/180?cb=20151125200719)](https://static.wikia.nocookie.net/undertale/images/c/ca/Room_123_location.png/revision/latest?cb=20151125200719) Room 123 An unknown character on the left side of the tall grass mentions that "there is somebody with a creepy smile behind you." The unseen character presumably disappears after the dialogue is triggered. The character with the "creepy smile" is possibly the Mystery Man seen in Room 269 which may be Gaster, and the evidence supporting this theory lies within the word "smile" in the dialogue, as the track that plays in Entry Number Seventeen is named `mus_smile`. However, it could also be [Flowey](https://undertale.fandom.com/wiki/Flowey "Flowey") (who follows the protagonist throughout the game), Sans, or even [the fallen human](https://undertale.fandom.com/wiki/Chara "Chara"). #### Room 272 [![Room 272](https://static.wikia.nocookie.net/undertale/images/7/75/Room_272_location.png/revision/latest/scale-to-width-down/180?cb=20151125200800)](https://static.wikia.nocookie.net/undertale/images/7/75/Room_272_location.png/revision/latest?cb=20151125200800) [![Room 272](https://static.wikia.nocookie.net/undertale/images/7/75/Room_272_location.png/revision/latest/scale-to-width-down/180?cb=20151125200800)](https://static.wikia.nocookie.net/undertale/images/7/75/Room_272_location.png/revision/latest?cb=20151125200800) Room 272 [Room 272](https://undertale.fandom.com/wiki/Inaccessible_Rooms#Room_272 "Inaccessible Rooms") is black and has a ghostly figure (nicknamed "Redacted", as the file name for it is `spr_redacted_a`) in the middle of it that becomes less transparent as the protagonist approaches. If the protagonist attempts a conversation with the NPC, it returns "\* \[redacted\]" in lowercase Wingdings, which implies that a conversation was planned here but was removed for security purposes.[\[3\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-3) Exiting Room 272 leads to the [Sound Test Room](https://undertale.fandom.com/wiki/Fun_Value#Sound_Test_Room "Fun Value"), where the player can listen to [Gaster's Theme](https://undertale.fandom.com/wiki/Fun_Value#Gaster's_Theme "Fun Value"). To access this room and avoid the [Annoying Dog](https://undertale.fandom.com/wiki/Annoying_Dog "Annoying Dog") error screens, a hexadecimal editor needs to be used to change the "Dogcheck" value.[\[4\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-4) #### Hotland A [Follower of W.D. Gaster](https://undertale.fandom.com/wiki/Hotland/NPCs#Gaster_Follower_2 "Hotland/NPCs") states that they're "holding a piece of him right here." #### The Stable [![An unused sprite for the stable.](https://static.wikia.nocookie.net/undertale/images/2/2f/Stable_overworld.png/revision/latest?cb=20200218212828)](https://static.wikia.nocookie.net/undertale/images/2/2f/Stable_overworld.png/revision/latest?cb=20200218212828) [![An unused sprite for the stable.](https://static.wikia.nocookie.net/undertale/images/2/2f/Stable_overworld.png/revision/latest?cb=20200218212828)](https://static.wikia.nocookie.net/undertale/images/2/2f/Stable_overworld.png/revision/latest?cb=20200218212828) An unused sprite for the stable. Inside the game's files are strings of text that implicate a horse stable was planned to be put into the game. There would be a trash can where a key can be found; if the key is brought to the stable, the same figure from Room 272 appears and says "\* x" in Wingdings. ## Main Story ### Room 264 [![Entry Number Seventeen.](https://static.wikia.nocookie.net/undertale/images/d/dd/Room_264_screenshot.gif/revision/latest/scale-to-width-down/180?cb=20160113181122)](https://static.wikia.nocookie.net/undertale/images/d/dd/Room_264_screenshot.gif/revision/latest?cb=20160113181122) [![Entry Number Seventeen.](https://static.wikia.nocookie.net/undertale/images/d/dd/Room_264_screenshot.gif/revision/latest/scale-to-width-down/180?cb=20160113181122)](https://static.wikia.nocookie.net/undertale/images/d/dd/Room_264_screenshot.gif/revision/latest?cb=20160113181122) Entry Number Seventeen. In [Room 264](https://undertale.fandom.com/wiki/Inaccessible_Rooms#Room_264 "Inaccessible Rooms") (room\_gaster), the text below is displayed in uppercase Wingdings. While it appears to be the missing seventeenth [lab entry](https://undertale.fandom.com/wiki/True_Lab#Lab_Entries "True Lab") from the [True Lab](https://undertale.fandom.com/wiki/True_Lab "True Lab"), this could be a red herring, as there was an alternate seventeenth entry in the game's files prior to [version 1.001-4](https://undertale.fandom.com/wiki/Version_Differences#Undertale_v1.001-4 "Version Differences"), which added Japanese localization. The alternate entry is heavily implied to have been written by Alphys, as it mirrors her entry format, writing style, and correlates with her [Determination](https://undertale.fandom.com/wiki/Determination "Determination") experiments.[\[5\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-5) Both entries are inaccessible in normal gameplay; Alphys's entry can only be found in the game's text files, and Gaster's entry is only accessible through [SAVE](https://undertale.fandom.com/wiki/SAVE "SAVE") manipulation or debug mode. Room 264 immediately follows the generator room in the True Lab. Transliteration of the Wingdings text is as follows: > ENTRY NUMBER SEVENTEEN > DARK DARKER YET DARKER > THE DARKNESS KEEPS GROWING > THE SHADOWS CUTTING DEEPER > PHOTON READINGS NEGATIVE > THIS NEXT EXPERIMENT > SEEMS > VERY > VERY > INTERESTING > ... > WHAT DO YOU TWO THINK Once the message ends, the screen turns black for a second before the game closes. The audio that plays during the entry is labeled as "[`mus_smile`](https://static.wikia.nocookie.net/undertale/images/7/7e/Mus_smile_music.ogg/revision/latest?cb=20160412184202 "Mus smile music.ogg")" in the game files. This file can be sped up by 1000% to reveal [Muffet](https://undertale.fandom.com/wiki/Muffet "Muffet")'s laugh, reversed, and then looped over.[\[6\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-6) An excerpt from Entry Number Seventeen was also available at [deltarune.com/him.png](https://web.archive.org/web/20151209013205im_/deltarune.com/him.png) from 2015. ### "The Man who Speaks in Hands" [![River Person's hands speech.](https://static.wikia.nocookie.net/undertale/images/5/53/River_Person_screenshot_hands.png/revision/latest/scale-to-width-down/220?cb=20150926225445)](https://static.wikia.nocookie.net/undertale/images/5/53/River_Person_screenshot_hands.png/revision/latest?cb=20150926225445) [![River Person's hands speech.](https://static.wikia.nocookie.net/undertale/images/5/53/River_Person_screenshot_hands.png/revision/latest/scale-to-width-down/220?cb=20150926225445)](https://static.wikia.nocookie.net/undertale/images/5/53/River_Person_screenshot_hands.png/revision/latest?cb=20150926225445) River Person's hands speech. During one of the travels with River Person, they say "Beware of the man who speaks in hands." There is speculation that this alludes to Gaster since the Wingdings typeface used in Entry Number Seventeen (room\_gaster) uses hand symbols. [![River Person's other world speech.](https://static.wikia.nocookie.net/undertale/images/c/c3/River_Person_screenshot_other_world.png/revision/latest/scale-to-width-down/220?cb=20151119081237)](https://static.wikia.nocookie.net/undertale/images/c/c3/River_Person_screenshot_other_world.png/revision/latest?cb=20151119081237) [![River Person's other world speech.](https://static.wikia.nocookie.net/undertale/images/c/c3/River_Person_screenshot_other_world.png/revision/latest/scale-to-width-down/220?cb=20151119081237)](https://static.wikia.nocookie.net/undertale/images/c/c3/River_Person_screenshot_other_world.png/revision/latest?cb=20151119081237) River Person's other world speech. A similar line from the River Person is "Beware of the man who came from the other world." Considering the similarities it shares with the previous quote, it might either refer to Gaster or the monster [So Sorry](https://undertale.fandom.com/wiki/So_Sorry "So Sorry"), whose check text reads "This creature is definitely in the wrong time and space!" as well as the file name of [So Sorry's theme](https://undertale.fandom.com/wiki/Wrong_Enemy_!%3F "Wrong Enemy !?") being `mus_wrongworld`. ### Sound Test Room If the Fun Value is 65 and Papyrus has been defeated, there is a 50% chance the player can enter the Sound Test room by going north of the "Box Road" save point in [Snowdin Forest](https://undertale.fandom.com/wiki/Snowdin_Forest "Snowdin Forest") (or by exiting Room 272 regardless of Fun Value). This "room" is a menu containing four short, looping songs, including Gaster's Theme; neither of which are used anywhere else in the game. Upon playing Gaster's Theme, the other three songs are unable to be played again even if the player tries to do so. After Gaster's Theme plays for 20 seconds, the text "Thanks for your feedback! Be seeing you soon!" is displayed and either the protagonist is put in the room with the fishing pole in [Snowdin Forest](https://undertale.fandom.com/wiki/Snowdin_Forest "Snowdin Forest") or (if the player came from Room 272) the game crashes, suggesting Room 272 was intended to be focused on Gaster. ## Relationships ### Goner Kid Main article: [Waterfall/NPCs\#Goner Kid](https://undertale.fandom.com/wiki/Waterfall/NPCs#Goner_Kid "Waterfall/NPCs") There is some inconclusive evidence as to whether [Goner Kid](https://undertale.fandom.com/wiki/Waterfall/NPCs#Goner_Kid "Waterfall/NPCs") is actually related to Gaster. Like Gaster's followers, Goner Kid's sprite has minor differences compared to the monster their sprite is based on. Goner Kid's clothing has a blocky, checkerboard-like pattern, they have a bow or two horns/spines on one side, two lines behind their head, and their eyes have no pupils. However, unlike Gaster's followers, the protagonist's phone works if they attempt to use their cell phone while in the room, and Goner Kid never mentions Gaster's name. ### Gaster's Followers [![The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.](https://static.wikia.nocookie.net/undertale/images/6/69/Cell_Phone_screenshot_Gaster_Follower.png/revision/latest/scale-to-width-down/220?cb=20160404011847)](https://static.wikia.nocookie.net/undertale/images/6/69/Cell_Phone_screenshot_Gaster_Follower.png/revision/latest?cb=20160404011847) [![The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.](https://static.wikia.nocookie.net/undertale/images/6/69/Cell_Phone_screenshot_Gaster_Follower.png/revision/latest/scale-to-width-down/220?cb=20160404011847)](https://static.wikia.nocookie.net/undertale/images/6/69/Cell_Phone_screenshot_Gaster_Follower.png/revision/latest?cb=20160404011847) The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on. Main article: [Hotland/NPCs\#Gaster's Followers](https://undertale.fandom.com/wiki/Hotland/NPCs#Gaster's_Followers "Hotland/NPCs") Gaster's Followers are gray NPCs that are found near the elevators in [Hotland](https://undertale.fandom.com/wiki/Hotland "Hotland") when the fun variable is at a certain value. They all resemble certain NPCs in the game but with a few minor differences (excluding Gaster Follower 3, though an NPC in [Deltarune](https://deltarune.fandom.com/wiki/Deltarune "dr:Deltarune") resembles them[\[7\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-7)). If the protagonist tries to call Papyrus (or Papyrus and [Undyne](https://undertale.fandom.com/wiki/Undyne "Undyne")) while in a room with a follower, they only get the line "The phone won't turn on." The protagonist can still attempt to reach [Toriel](https://undertale.fandom.com/wiki/Toriel "Toriel") over the phone. The phone works normally after leaving the room. ### Goner Clam Girl Main article: [Waterfall/NPCs\#Clam Girl](https://undertale.fandom.com/wiki/Waterfall/NPCs#Clam_Girl "Waterfall/NPCs") Goner Clam Girl, also known as Clam Goner, is a Waterfall NPC exclusive to the [Nintendo Switch](https://undertale.fandom.com/wiki/Version_Differences#Nintendo_Switch "Version Differences"), Xbox One, and Xbox Series X\\|S versions of [Undertale](https://undertale.fandom.com/wiki/Undertale "Undertale"). If the fun value is exactly 81, [Clam Girl](https://undertale.fandom.com/wiki/Waterfall/NPCs#Clam_Girl "Waterfall/NPCs") has alternate dialogue in the [True Pacifist Route](https://undertale.fandom.com/wiki/True_Pacifist_Route "True Pacifist Route") epilogue. At the final line of her dialogue, Clam Girl turns into Goner Clam Girl, and the song [Reunited](https://undertale.fandom.com/wiki/Reunited "Reunited") stops. She then disappears with the same sound effect as Mystery Man and Gaster Follower 2, which shows a possible connection to Gaster. ### Sans Sans is presumed to have a connection with W. D. Gaster due to the [workshop](https://undertale.fandom.com/wiki/Papyrus_and_Sans%27s_House#Sans's_Workshop "Papyrus and Sans's House") behind his house and the name of his weapons used in the [Genocide Route](https://undertale.fandom.com/wiki/Genocide_Route "Genocide Route"). Goner Kid, the NPC that discusses alternate timelines, says, "An umbrella...? But it's not raining." This may relate to the song "[It's Raining Somewhere Else](https://undertale.fandom.com/wiki/It%27s_Raining_Somewhere_Else "It's Raining Somewhere Else")" which plays when Sans takes the protagonist out to dinner in the [MTT Resort](https://undertale.fandom.com/wiki/MTT_Resort "MTT Resort") and in his workshop. The [official Undertale Tumblr](https://undertale.tumblr.com/) features a post, written in-character as Sans, that includes the line "besides, it's rude to talk about people that are listening, right?"[\[8\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-info-8) This quote is similar to a line from Gaster Follower 3. This may be a coincidence, however, as the content of the post itself doesn’t appear to relate to Gaster. [![Sans's secret lab.](https://static.wikia.nocookie.net/undertale/images/6/62/Papyrus_and_Sans%27s_House_location_workshop.png/revision/latest/scale-to-width-down/200?cb=20210319163321)](https://static.wikia.nocookie.net/undertale/images/6/62/Papyrus_and_Sans%27s_House_location_workshop.png/revision/latest?cb=20210319163321) [![Sans's secret lab.](https://static.wikia.nocookie.net/undertale/images/6/62/Papyrus_and_Sans%27s_House_location_workshop.png/revision/latest/scale-to-width-down/200?cb=20210319163321)](https://static.wikia.nocookie.net/undertale/images/6/62/Papyrus_and_Sans%27s_House_location_workshop.png/revision/latest?cb=20210319163321) Sans's secret lab. Room 80 (room\_tundra\_sansbasement) is a workshop that has four drawers and a strange machine covered up with a curtain. One drawer contains a badge, and another contains a photo album with numerous people that the protagonist does not recognize. If the protagonist has encountered Clam Girl earlier in the route, interacting with the drawer causes a card to slip into the protagonist's view; it displays a poorly drawn picture of 3 people, with the words "don't forget" written on it. The other two drawers causes the protagonist to read the blueprint on the countertop, which is said to be written in unintelligible symbols or handwriting that could potentially be related to W. D. Gaster or Alphys, as she also writes in illegible handwriting, as shown in the note before entering the True Lab.[\[9\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-9) The note written on the picture with three people is most likely from Sans; Unlike Papyrus, he does not write in his typeface, which can be seen when the protagonist reads the note on his treadmill. In Room 264 in one of the parts of Gaster's version of Entry Number 17, he says, "WHAT DO YOU TWO THINK". By "two," Gaster may be referring to Sans and Alphys, as it is hinted at the end of the True Pacifist Route that they had a past together and Gaster could be the missing link to where they possibly could have had a relationship. [![A "Gaster Blaster" Sans uses in battle.](https://static.wikia.nocookie.net/undertale/images/1/17/Sans_attack_Gaster_Blaster.png/revision/latest?cb=20160522025615)](https://static.wikia.nocookie.net/undertale/images/1/17/Sans_attack_Gaster_Blaster.png/revision/latest?cb=20160522025615) [![A "Gaster Blaster" Sans uses in battle.](https://static.wikia.nocookie.net/undertale/images/1/17/Sans_attack_Gaster_Blaster.png/revision/latest?cb=20160522025615)](https://static.wikia.nocookie.net/undertale/images/1/17/Sans_attack_Gaster_Blaster.png/revision/latest?cb=20160522025615) A "Gaster Blaster" Sans uses in battle. The broken machine in the room has been said to be unfixable according to [Toby Fox](https://undertale.fandom.com/wiki/Toby_Fox "Toby Fox").[\[10\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-10) This means that the machine was never meant to be fixed. Additionally, one of the types of attacks Sans uses against the protagonist during his boss fight in the Genocide Route is called the "Gaster Blaster," suggesting it's connected to W. D. Gaster. If the Genocide Route is aborted by sparing Papyrus and the protagonist interacts with his box of bones, Papyrus says that if he had used his "special attack," he would have "blasted" the protagonist away, but suddenly realizes that he can't find it. The use of the verb "blast" implies a connection to the Gaster Blaster, suggesting that the Gaster Blaster was either Papyrus's missing special attack or was somehow created by Sans from Papyrus's attack. ## Gallery [![Mystery Man sprites upside down, before and after interaction.](https://static.wikia.nocookie.net/undertale/images/f/f7/Mysteryman_screenshot_upside_down.png/revision/latest/scale-to-width-down/240?cb=20160404072808)![Mystery Man sprites upside down, before and after interaction.](https://static.wikia.nocookie.net/undertale/images/f/f7/Mysteryman_screenshot_upside_down.png/revision/latest/scale-to-width-down/240?cb=20160404072808)](https://undertale.fandom.com/wiki/File:Mysteryman_screenshot_upside_down.png "Mysteryman screenshot upside down.png (4 KB)") Mystery Man sprites upside down, before and after interaction. [![The Wingdings font package used in Undertale.](https://static.wikia.nocookie.net/undertale/images/7/73/Wingdings_sprite.png/revision/latest/scale-to-width-down/240?cb=20160505134820)![The Wingdings font package used in Undertale.](https://static.wikia.nocookie.net/undertale/images/7/73/Wingdings_sprite.png/revision/latest/scale-to-width-down/240?cb=20160505134820)](https://undertale.fandom.com/wiki/File:Wingdings_sprite.png "Wingdings sprite.png (4 KB)") The Wingdings font package used in Undertale. ## Trivia - "W. D. Gaster" is presumed to be a combination of the fonts "Wingdings" (the font Entry 17 is written in) and "Aster" (similar to the font Sans snores in during his battle). - W. D. Gaster's name could also be a reference to "M.D. Seeger," the alias of [Shigeru Miyamoto](https://en.wikipedia.org/wiki/Shigeru_Miyamoto "wikipedia:Shigeru Miyamoto") used in the [EarthBound](https://earthbound.fandom.com/wiki/EarthBound "w:c:earthbound:EarthBound") end credits (as "Opening Rock Guitar").[\[11\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-11) - Attempting to [name](https://undertale.fandom.com/wiki/Names "Names") the fallen human "Gaster" causes the game to return to the intro. - In the [PS4 and PS Vita versions](https://undertale.fandom.com/wiki/Version_Differences#PS4/PSVita "Version Differences"), this would cause the game to crash. As of v1.03–4, it simply restarts the game. - If the protagonist's name is changed to "Gaster" [through the SAVE files](https://undertale.fandom.com/wiki/Names#Changing_the_name_in_the_SAVE_files "Names"), the ability to reset becomes unavailable as the game restarts upon clicking the Reset button. [![Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.](https://static.wikia.nocookie.net/undertale/images/1/17/True_Lab_screenshot_shape_of_a_man.png/revision/latest/scale-to-width-down/220?cb=20160217004744)](https://static.wikia.nocookie.net/undertale/images/1/17/True_Lab_screenshot_shape_of_a_man.png/revision/latest?cb=20160217004744) [![Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.](https://static.wikia.nocookie.net/undertale/images/1/17/True_Lab_screenshot_shape_of_a_man.png/revision/latest/scale-to-width-down/220?cb=20160217004744)](https://static.wikia.nocookie.net/undertale/images/1/17/True_Lab_screenshot_shape_of_a_man.png/revision/latest?cb=20160217004744) Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster. - In the True Lab, if the protagonist does not activate the fans and enters the area where the protagonist encounters [Snowdrake's Mother](https://undertale.fandom.com/wiki/Snowdrake%27s_Mother "Snowdrake's Mother") and interacts with the second refrigerator in the room, the narration describes a figure obscured by the fog in the shape of a man. This figure could be Gaster. However, it may simply be the "[watching man](https://undertale.fandom.com/wiki/True_Lab/NPCs#Watching_Man "True Lab/NPCs")"[\[12\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-12) Amalgamate that tucks the protagonist into bed in the True Lab. - It could also be the "[Man](https://deltarune.fandom.com/wiki/Man "dr:Man")" character from Deltarune, as he is described in a similar fashion. The narration also describes another refrigerator as "a tree, ripe with delicious fruit," like those the Man hides behind. - The voice bites used in Room 264 (`snd_wngdng1` through `snd_wngdng7`) are excerpts from the text-to-speech voices used in [`abc_123_a`](https://undertale.fandom.com/wiki/Unused_Music_Tracks#abc_123_a "Unused Music Tracks"), possibly indicating a connection to Toby Fox or other meta-knowledge. - If Entry Number Seventeen is considered, Gaster is the only individual character to have a unique typeface and soundbite without their face accompanying the text box when he talks. The other main-game examples of a unique soundbite but no dialogue portrait are [Mettaton](https://undertale.fandom.com/wiki/Mettaton "Mettaton") (during his initial form) and the species of [Temmie](https://undertale.fandom.com/wiki/Temmie "Temmie"), though they both keep the Determination Mono typeface. - The figure in Room 272 speaks with an asterisk and in lowercase, similar to Sans. Entry Number Seventeen is written in uppercase and without an asterisk, similar to Papyrus. - It is possible that Gaster could have created the DT Extraction Machine in the True Lab as Alphys uses blueprints to operate it.[\[13\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-13) These may be the blueprints found in Sans's Workshop. - On the official Undertale Tumblr, Sans suggests doing research about [Shyren](https://undertale.fandom.com/wiki/Shyren "Shyren")'s lower body. Shyren's head and body are two different beings, but an optical illusion makes them look like one entity.[\[8\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-info-8) - This could relate to the face that shows up on the body of the Mystery Man. Further interpretation could be that the Mystery Man is actually two different monsters or an [Amalgamate](https://undertale.fandom.com/wiki/Category:Amalgamates "Category:Amalgamates"), though this might be contradicted by the fact that Amalgamates were created by [Alphys](https://undertale.fandom.com/wiki/Alphys "Alphys"). - If Mystery Man is turned upside down, their clothing and hands resemble another face. Notably, before interaction, this face appears to be surprised, but after interaction, it appears calmer, contrary to Mystery Man's surprised expression. [![The modified Uboa sprite used in the Halloween Hack.](https://static.wikia.nocookie.net/undertale/images/5/51/Dr_Andonuts_Uboa_screenshot.png/revision/latest/scale-to-width-down/220?cb=20151209082417)](https://static.wikia.nocookie.net/undertale/images/5/51/Dr_Andonuts_Uboa_screenshot.png/revision/latest?cb=20151209082417) [![The modified Uboa sprite used in the Halloween Hack.](https://static.wikia.nocookie.net/undertale/images/5/51/Dr_Andonuts_Uboa_screenshot.png/revision/latest/scale-to-width-down/220?cb=20151209082417)](https://static.wikia.nocookie.net/undertale/images/5/51/Dr_Andonuts_Uboa_screenshot.png/revision/latest?cb=20151209082417) The modified Uboa sprite used in the Halloween Hack. - Mystery Man shares some visual similarities with [Uboa](https://yumenikki.fandom.com/wiki/Uboa "w:c:yumenikki:Uboa") from [Yume Nikki](https://yumenikki.fandom.com/wiki/Yume_Nikki "w:c:yumenikki:Yume Nikki"). This appearance is also shared with Dr. Andonuts from Toby's EarthBound Halloween Hack. - In the game files, Gaster's Theme is named `mus_st_him`, unlike the other rooms in the sound test that have their song names explicitly shown (such as `mus_st_happytown`). - `snd_mysterygo` uses the same piano sound as Gaster's Theme. - Until [version 1.001](https://undertale.fandom.com/wiki/Version_Differences#Undertale_v1.001 "Version Differences"), events related to Gaster were inaccessible unless a SAVE file was edited to have "fun" capitalized to "Fun." - In a tweet, Toby Fox showed very early concept art for Papyrus. In the same image was a note saying that Papyrus "had a \_ named \_" with the nouns censored out. It is possible this refers to Gaster, due to the popular theory that Gaster is related to Sans and Papyrus in some way.[\[14\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-14) This note may also refer to the unimplemented character [Grandpa Semi](https://undertale.fandom.com/wiki/Unused_Music_Tracks#grandpasemi "Unused Music Tracks"). - The Gaster card is not included in the [official Undertale tarot,](https://www.fangamer.com/products/undertale-tarot-cards) which indicates that this card is not canon. Toby Fox has also stated the merchandise is not canon.[\[15\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-15) - Gaster's Theme is 17 seconds long, possibly alluding to Entry Number Seventeen. - Mystery Man appeared faintly on the cover of Fangamer's UNDERTALE Complete Vinyl Soundtrack Box Set for a brief period of time, but the image was removed from later releases.[\[16\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-16) - Similarly, on the artwork of the [iam8bit vinyl release](https://materia.store/products/undertale-vinyl-soundtrack-toby-fox-iam8bit-2xlp-iam8bit), Mystery Man was removed and replaced by a save point. The art also includes a depiction of "Redacted," which was not changed.[\[17\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-17) - The company founded by Toby Fox in October 2015 to manage the copyrights of Undertale and Deltarune is named "Royal Sciences LLC", possibly referencing Gaster's job as the royal scientist. - Gaster is heavily associated with the [Number of the Beast](https://en.wikipedia.org/wiki/Number_of_the_beast "wikipedia:Number of the beast") (666), repeating 6s, or the number 6 in general. - Gaster's typeface value in Entry Number Seventeen is 666. - Gaster's unused battle stats found through datamining are all repeating 6s. - All Fun Value events directly related to Gaster are within the 60s range. - The fake hallway in Waterfall, and the Mystery Man's room by extension, is accessible when the Fun Value is 66; the value's only possible number with repeating 6s. This may suggest the figure has a strong connection to Gaster, or may truely be his actual appearance. - Deltarune contains several references to Gaster, possibly alluding to him being an important character in the game: - An excerpt from Entry Number Seventeen in Wingdings was available on [Deltarune's website](https://web.archive.org/web/20151209013205im_/deltarune.com/him.png) from 2015. This excerpt would then be [replaced in 2016](https://web.archive.org/web/20161221070931im_/http://www.deltarune.com/him.png) with a paraphrase from [The Legend of Delta Rune](https://deltarune.fandom.com/wiki/Legend_of_Delta_Rune "dr:Legend of Delta Rune"), also in Wingdings. The filenames for these images are `him.png`, similar to Gaster's Theme. - `mus_smile` is used as the "garbage noise" that plays when the [cell phone](https://deltarune.fandom.com/wiki/Cell_Phone "dr:Cell Phone") is used in a [Dark World](https://deltarune.fandom.com/wiki/Dark_World "dr:Dark World"), and can be heard near the [Bunker](https://deltarune.fandom.com/wiki/Hometown#Mysterious_Bunker "dr:Hometown") south of [Hometown](https://deltarune.fandom.com/wiki/Hometown "dr:Hometown") further slowed down to 15% speed. - [Seam](https://deltarune.wiki/w/Seam) describes that [Jevil](https://deltarune.wiki/w/Jevil)'s view on the world became Darker yet Darker after meeting someone, a reference to Entry 17 - During chapter 4, the hymn the choir sings contains multiple references to Entry 17 - The "[Voice](https://deltarune.fandom.com/wiki/Voice "dr:Voice")" character from the game's introduction has several similarities with Gaster, implying they are probably the same: - Leading up to the release of Chapter 1, both English and Japanese Undertale Twitter accounts would tweet in-character as the Voice, stating they have something to show to the player that they think they will find "VERY, VERY, INTERESTING"; paraphrasing Entry Number Seventeen. [\[18\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-18) - The filename for Gaster's Theme in Undertale is `mus_st_him`, whereas the OST that plays during Deltarune's [introduction](https://deltarune.fandom.com/wiki/Introduction "dr:Introduction") is called [ANOTHER HIM](https://deltarune.fandom.com/wiki/DELTARUNE_Chapter_1_OST#ANOTHER_HIM "dr:DELTARUNE Chapter 1 OST"). - The Vessel created in the introduction is referred to as a "Goner" in the files, similarly to Goner Kid, Clam Goner, and Gaster's Followers. - The typeface value for the voice during the introduction is also 666. - The version number for the SURVEY\_PROGRAM installer for Chapter 1 is 0.6.6.6. ## See Also - [Extracted Resources](https://tomat.dev/undertale/) - [Subreddit for Undertale Datamining](https://www.reddit.com/r/Underminers/) - [Steam Guide to W. D. Gaster](https://steamcommunity.com/sharedfiles/filedetails/?id=520337707) ## References 1. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-1 "Jump up") I understand why [ASGORE](https://undertale.fandom.com/wiki/Asgore_Dreemurr "Asgore Dreemurr") waited so long to hire a new Royal Scientist. The previous one... Dr. Gaster. His brilliance was irreplaceable. - Gaster Follower 3 2. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-2 "Jump up") It makes sense why ASGORE took so long to hire a new Royal Scientist. After all, the old one... Dr. Gaster. What an act to follow\! They say he created the CORE. - Gaster Follower 1 3. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-3 "Jump up") [Room 272](https://www.dropbox.com/s/yyorjpkfkmak4ez/POSSIBLE%20GASTER%202.webm?dl=0) 4. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-4 "Jump up") Undertale – Disabling Dogcheck (The Annoying Dog Error Room) - [YouTube](https://youtu.be/VANddDKtilE) 5. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-5 "Jump up") [monsters](https://undertale.fandom.com/wiki/Monsters "Monsters")' physical forms can't handle "determination" like [humans](https://undertale.fandom.com/wiki/Humans "Humans")' can. with too much determination, our bodies begin to break down. everyone's melted together... - ENTRY NUMBER 17; deleted 6. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-6 "Jump up") W. D. GASTER "Mus\_Smile" Dissected\! - [YouTube](https://youtu.be/FfGXVxXALa0) 7. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-7 "Jump up") <https://www.reddit.com/r/Deltarune/comments/9tbs15/we_finally_found_g_follower_3s_corresponding/> 8. ↑ [Jump up to: 8\.0](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-info_8-0) [8\.1](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-info_8-1) for honesty's sake, investigate the truth for yourself, then ask: how is this going to help people? besides, it's rude to talk about people that are listening, right? not everyone is as tough as my brother. - [undertale on Tumblr,](http://undertale.tumblr.com/post/130552032545) October 05, 2015. 9. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-9 "Jump up") (It's hard to read because of the handwriting, but you try your best...) - Alphys's note 10. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-10 "Jump up") @rcrkar3 You've all seen the happiest outcome. Neither of them could fix the machine, no matter how hard they tried. No one can. - [@FwugRadiation on Twitter,](https://web.archive.org/web/20151107003935/https://twitter.com/FwugRadiation/status/644973310481166340) September 18, 2015. Archived on November 07, 2015. 11. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-11 "Jump up") MOTHER 2 / EarthBound Factoids & Trivia - [STARMEN.NET](https://starmen.net/mother2/gameinfo/factoids/) 12. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-12 "Jump up") The sprite name for this character is spr\_watchingman\_0. 13. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-13 "Jump up") I've done it. Using the blueprints, I've extracted it from the human [SOULs](https://undertale.fandom.com/wiki/SOUL "SOUL"). I believe this is what gives their SOULs the strength to persist after death. The will to keep living... The resolve to change fate. Let's call this power... "Determination." - True Lab, Entry Number 5 14. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-14 "Jump up") (apparently) the genesis of papyrus - [Toby Fox (@tobyfox) on Twitter,](https://twitter.com/tobyfox/status/818211590696800258) January 08, 2017. 15. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-15 "Jump up") Some people wonder about canonicity of UNDERTALE merchandise. None of it is canon (incl. the figurines) except this - [Toby Fox (@tobyfox) on Twitter,](https://twitter.com/tobyfox/status/802147835244400640) November 25, 2016. 16. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-16 "Jump up") I edited the image of Gaster from the Undertale vinyl cover to try to see his face better. - [wingdingaster on Tumblr,](http://wingdingaster.tumblr.com/post/629602553219481600) September 18, 2020. 17. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-17 "Jump up") He didn't deserve this - [@jojoton56 on Twitter,](https://twitter.com/jojoton56/status/1801027633460764877) June 12, 2024. 18. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-18 "Jump up") SOMETHING I THINK YOU WILL FIND VERY, VERY, INTERESTING - [@UnderTale on Twitter,](https://twitter.com/UnderTale/status/1057250519733952523) October 30, 2018. ## [Characters](https://undertale.fandom.com/wiki/Category:Characters "Category:Characters") ### [Main Characters](https://undertale.fandom.com/wiki/Category:Main_characters "Category:Main characters") [Frisk](https://undertale.fandom.com/wiki/Frisk "Frisk") • [Flowey](https://undertale.fandom.com/wiki/Flowey "Flowey") • [Toriel](https://undertale.fandom.com/wiki/Toriel "Toriel") • [Sans](https://undertale.fandom.com/wiki/Sans "Sans") • [Papyrus](https://undertale.fandom.com/wiki/Papyrus "Papyrus") • [Undyne](https://undertale.fandom.com/wiki/Undyne "Undyne") • [Alphys](https://undertale.fandom.com/wiki/Alphys "Alphys") • [Mettaton](https://undertale.fandom.com/wiki/Mettaton "Mettaton") • [Asgore Dreemurr](https://undertale.fandom.com/wiki/Asgore_Dreemurr "Asgore Dreemurr") [Asriel Dreemurr](https://undertale.fandom.com/wiki/Asriel_Dreemurr "Asriel Dreemurr") • [Chara](https://undertale.fandom.com/wiki/Chara "Chara") ### [Ruins](https://undertale.fandom.com/wiki/Ruins "Ruins") Enemies [Dummy](https://undertale.fandom.com/wiki/Dummy "Dummy") • [Froggit](https://undertale.fandom.com/wiki/Froggit "Froggit") • [Whimsun](https://undertale.fandom.com/wiki/Whimsun "Whimsun") • [Moldsmal](https://undertale.fandom.com/wiki/Moldsmal "Moldsmal") • [Loox](https://undertale.fandom.com/wiki/Loox "Loox") • [Vegetoid](https://undertale.fandom.com/wiki/Vegetoid "Vegetoid") • [Migosp](https://undertale.fandom.com/wiki/Migosp "Migosp") • [Napstablook](https://undertale.fandom.com/wiki/Napstablook "Napstablook") ### [Snowdin](https://undertale.fandom.com/wiki/Snowdin "Snowdin") Enemies [Snowdrake](https://undertale.fandom.com/wiki/Snowdrake "Snowdrake") • [Chilldrake](https://undertale.fandom.com/wiki/Chilldrake "Chilldrake") • [Ice Cap](https://undertale.fandom.com/wiki/Ice_Cap "Ice Cap") • [Gyftrot](https://undertale.fandom.com/wiki/Gyftrot "Gyftrot") • [Doggo](https://undertale.fandom.com/wiki/Doggo "Doggo") [Dogamy and Dogaressa](https://undertale.fandom.com/wiki/Dogamy_and_Dogaressa "Dogamy and Dogaressa") • [Lesser Dog](https://undertale.fandom.com/wiki/Lesser_Dog "Lesser Dog") • [Greater Dog](https://undertale.fandom.com/wiki/Greater_Dog "Greater Dog") • [Jerry](https://undertale.fandom.com/wiki/Jerry "Jerry") • [Glyde](https://undertale.fandom.com/wiki/Glyde "Glyde") • [Mad Mew Mew](https://undertale.fandom.com/wiki/Mad_Mew_Mew "Mad Mew Mew") ### [Waterfall](https://undertale.fandom.com/wiki/Waterfall "Waterfall") Enemies [Aaron](https://undertale.fandom.com/wiki/Aaron "Aaron") • [Moldbygg](https://undertale.fandom.com/wiki/Moldbygg "Moldbygg") • [Woshua](https://undertale.fandom.com/wiki/Woshua "Woshua") • [Temmie](https://undertale.fandom.com/wiki/Temmie "Temmie") • [Mad Dummy](https://undertale.fandom.com/wiki/Mad_Dummy "Mad Dummy") • [Shyren](https://undertale.fandom.com/wiki/Shyren "Shyren") ### [Hotland](https://undertale.fandom.com/wiki/Hotland "Hotland") Enemies [Vulkin](https://undertale.fandom.com/wiki/Vulkin "Vulkin") • [Tsunderplane](https://undertale.fandom.com/wiki/Tsunderplane "Tsunderplane") • [Pyrope](https://undertale.fandom.com/wiki/Pyrope "Pyrope") • [Muffet](https://undertale.fandom.com/wiki/Muffet "Muffet") • [Royal Guards](https://undertale.fandom.com/wiki/Royal_Guards "Royal Guards") • [So Sorry](https://undertale.fandom.com/wiki/So_Sorry "So Sorry") ### [CORE](https://undertale.fandom.com/wiki/CORE "CORE") Enemies [Final Froggit](https://undertale.fandom.com/wiki/Final_Froggit "Final Froggit") • [Whimsalot](https://undertale.fandom.com/wiki/Whimsalot "Whimsalot") • [Astigmatism](https://undertale.fandom.com/wiki/Astigmatism "Astigmatism") • [Madjick](https://undertale.fandom.com/wiki/Madjick "Madjick") • [Knight Knight](https://undertale.fandom.com/wiki/Knight_Knight "Knight Knight") ### [Amalgamates](https://undertale.fandom.com/wiki/Category:Amalgamates "Category:Amalgamates") [Memoryhead](https://undertale.fandom.com/wiki/Memoryhead "Memoryhead") • [Endogeny](https://undertale.fandom.com/wiki/Endogeny "Endogeny") • [Reaper Bird](https://undertale.fandom.com/wiki/Reaper_Bird "Reaper Bird") • [Lemon Bread](https://undertale.fandom.com/wiki/Lemon_Bread "Lemon Bread") • [Snowdrake's Mother](https://undertale.fandom.com/wiki/Snowdrake%27s_Mother "Snowdrake's Mother") ### [Hard Mode-only enemies](https://undertale.fandom.com/wiki/Category:Hard_Mode_Enemies "Category:Hard Mode Enemies") [Parsnik](https://undertale.fandom.com/wiki/Parsnik "Parsnik") • [Moldessa](https://undertale.fandom.com/wiki/Moldessa "Moldessa") • [Migospel](https://undertale.fandom.com/wiki/Migospel "Migospel") ### [Vendors](https://undertale.fandom.com/wiki/Category:Vendors "Category:Vendors") [Nice Cream Guy](https://undertale.fandom.com/wiki/Nice_Cream_Guy "Nice Cream Guy") • [Snowdin Shopkeeper](https://undertale.fandom.com/wiki/Snowdin_Shopkeeper "Snowdin Shopkeeper") • [Gerson](https://undertale.fandom.com/wiki/Gerson "Gerson") • [Tem Shop](https://undertale.fandom.com/wiki/Tem_Shop "Tem Shop") • [Bratty and Catty](https://undertale.fandom.com/wiki/Bratty_and_Catty "Bratty and Catty") • [Burgerpants](https://undertale.fandom.com/wiki/Burgerpants "Burgerpants") ### [NPCs](https://undertale.fandom.com/wiki/Category:NPCs "Category:NPCs") [Ruins](https://undertale.fandom.com/wiki/Ruins/NPCs "Ruins/NPCs") • [Snowdin](https://undertale.fandom.com/wiki/Snowdin/NPCs "Snowdin/NPCs") • [Waterfall](https://undertale.fandom.com/wiki/Waterfall/NPCs "Waterfall/NPCs") • [Hotland](https://undertale.fandom.com/wiki/Hotland/NPCs "Hotland/NPCs") • [MTT Resort](https://undertale.fandom.com/wiki/MTT_Resort/NPCs "MTT Resort/NPCs") • [True Lab](https://undertale.fandom.com/wiki/True_Lab/NPCs "True Lab/NPCs") ### Other Characters [Photoshop Flowey](https://undertale.fandom.com/wiki/Photoshop_Flowey "Photoshop Flowey") • [Monster Kid](https://undertale.fandom.com/wiki/Monster_Kid "Monster Kid") • [Annoying Dog](https://undertale.fandom.com/wiki/Annoying_Dog "Annoying Dog") • [River Person](https://undertale.fandom.com/wiki/River_Person "River Person") • [Eight Humans](https://undertale.fandom.com/wiki/Eight_Humans "Eight Humans") • W. D. Gaster • [Lost Souls](https://undertale.fandom.com/wiki/Lost_Souls "Lost Souls") Categories - [Categories](https://undertale.fandom.com/wiki/Special:Categories "Special:Categories"): - [Enemies](https://undertale.fandom.com/wiki/Category:Enemies "Category:Enemies") - [Characters](https://undertale.fandom.com/wiki/Category:Characters "Category:Characters") [\[Configure Reference Popups\]](https://undertale.fandom.com/wiki/W._D._Gaster#configure-refpopups) Languages [Deutsch](https://undertale.fandom.com/de/wiki/W._D._Gaster) [Español](https://undertale.fandom.com/es/wiki/W._D._Gaster) [Suomi](https://undertale.fandom.com/fi/wiki/W.D_gaster) [Français](https://undertale.fandom.com/fr/wiki/W._D._Gaster) [日本語](https://undertale.fandom.com/ja/wiki/W._D._Gaster) [Polski](https://undertale.fandom.com/pl/wiki/W._D._Gaster) [Português do Brasil](https://undertale.fandom.com/pt-br/wiki/W.D._Gaster) [Русский](https://undertale.fandom.com/ru/wiki/%D0%92._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80) [Українська](https://undertale.fandom.com/uk/wiki/%D0%A1%D1%82._%D0%94._%D0%93%D0%B0%D1%81%D1%82%D0%B5%D1%80) [中文](https://undertale.fandom.com/zh/wiki/W._D._Gaster) Community content is available under [CC-BY-SA](https://www.fandom.com/licensing) unless otherwise noted. 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D. Gaster > Beware of the man who speaks in hands. > > [River Person](https://undertale.fandom.com/wiki/River_Person "River Person") Dr. W. D. Gaster is a mysterious character who was the Royal Scientist before [Alphys](https://undertale.fandom.com/wiki/Alphys "Alphys"), and was stated to have irreplaceable brilliance.[\[1\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-1) His [followers](https://undertale.fandom.com/wiki/Hotland/NPCs#Gaster's_Followers "Hotland/NPCs") say that he created the [CORE](https://undertale.fandom.com/wiki/CORE "CORE")[\[2\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-2) and has disappeared. During normal gameplay, Gaster is typically unmentioned. Despite this, the [River Person](https://undertale.fandom.com/wiki/River_Person "River Person"), rare [Fun Value](https://undertale.fandom.com/wiki/Fun_Value "Fun Value") events, and certain [Inaccessible Rooms](https://undertale.fandom.com/wiki/Inaccessible_Rooms "Inaccessible Rooms") hint at his existence. This includes [Room 264](https://undertale.fandom.com/wiki/W._D._Gaster#Room_264), named room\_gaster. In particular, Gaster's followers speak of what might have been his fate. One of them says that he "fell into his creation," another claims that "his experiments went wrong," and a third claims he was "shattered across time and space." Similar to [Sans](https://undertale.fandom.com/wiki/Sans "Sans") and [Papyrus](https://undertale.fandom.com/wiki/Papyrus "Papyrus"), Gaster's dialogue uses a unique typeface, named [Wingdings](https://en.wikipedia.org/wiki/Wingdings "wikipedia:Wingdings"). - [1 Profile](https://undertale.fandom.com/wiki/W._D._Gaster#Profile) - [1\.1 Appearance](https://undertale.fandom.com/wiki/W._D._Gaster#Appearance) - [1\.1.1 Room 268 and 269](https://undertale.fandom.com/wiki/W._D._Gaster#Room_268_and_269) - [1\.1.2 Room 123](https://undertale.fandom.com/wiki/W._D._Gaster#Room_123) - [1\.1.3 Room 272](https://undertale.fandom.com/wiki/W._D._Gaster#Room_272) - [1\.1.4 Hotland](https://undertale.fandom.com/wiki/W._D._Gaster#Hotland) - [1\.1.5 The Stable](https://undertale.fandom.com/wiki/W._D._Gaster#The_Stable) - [2 Main Story](https://undertale.fandom.com/wiki/W._D._Gaster#Main_Story) - [2\.1 Room 264](https://undertale.fandom.com/wiki/W._D._Gaster#Room_264) - [2\.2 "The Man who Speaks in Hands"](https://undertale.fandom.com/wiki/W._D._Gaster#"The_Man_who_Speaks_in_Hands") - [2\.3 Sound Test Room](https://undertale.fandom.com/wiki/W._D._Gaster#Sound_Test_Room) - [3 Relationships](https://undertale.fandom.com/wiki/W._D._Gaster#Relationships) - [3\.1 Goner Kid](https://undertale.fandom.com/wiki/W._D._Gaster#Goner_Kid) - [3\.2 Gaster's Followers](https://undertale.fandom.com/wiki/W._D._Gaster#Gaster's_Followers) - [3\.3 Goner Clam Girl](https://undertale.fandom.com/wiki/W._D._Gaster#Goner_Clam_Girl) - [3\.4 Sans](https://undertale.fandom.com/wiki/W._D._Gaster#Sans) - [4 Gallery](https://undertale.fandom.com/wiki/W._D._Gaster#Gallery) - [5 Trivia](https://undertale.fandom.com/wiki/W._D._Gaster#Trivia) - [6 See Also](https://undertale.fandom.com/wiki/W._D._Gaster#See_Also) - [7 References](https://undertale.fandom.com/wiki/W._D._Gaster#References) ## Profile ### Appearance W. D. Gaster does not have an officially known form, but there are several rooms and unused assets found in [Waterfall](https://undertale.fandom.com/wiki/Waterfall "Waterfall") that point to what he may have looked like. #### Room 268 and 269 ![Surprised Mystery Man.](https://static.wikia.nocookie.net/undertale/images/f/f0/Mysteryman_overworld_2.png/revision/latest?cb=20210225010902) Surprised Mystery Man. In Room 269 (room\_mysteryman), a figure (spr\_mysteryman) widely believed to be Gaster can be found. The figure is black and white with a distorted, cracked face probably because they may have been injected with determination and melted due to not being able to handle determination. Unlike every other NPC, they have no collision physics, and interacting with them causes them to react in surprise and vanish while a sound effect plays. This room can only be accessed when the game's fun value (which can be changed by editing `file0` and `undertale.ini`) is set to 66. In this scenario, Room 268 (room\_water\_fakehallway), a hallway with a 10% chance to contain a gray door, appears between Room 94 (room\_water\_savepoint1) and Room 95 (room\_water11). These are the "Crystal" [SAVE Point](https://undertale.fandom.com/wiki/SAVE_Point "SAVE Point") and Sans's telescope rooms, respectively. The door in the aforementioned hallway leads to Room 269. Once [the protagonist](https://undertale.fandom.com/wiki/Frisk "Frisk") leaves Room 269 back into Room 268, the door disappears from the corridor, though it is possible to exit the room and trigger the door's reappearance, as the fun values do not reset until the protagonist leaves the hall. The corridor itself becomes inaccessible once the protagonist leaves it and all values drop to 0. Upon attempting to call someone using the [Cell Phone](https://undertale.fandom.com/wiki/Cell_Phone "Cell Phone") in either of these rooms, the default message "There's no response..." appears. #### Room 123 [Room 123](https://undertale.fandom.com/wiki/Inaccessible_Rooms#Room_123 "Inaccessible Rooms") (room\_water\_prebird) is a removed corridor with tall grass that is presumed to connect Room 99 (room\_water\_bird), where the [Small Bird](https://undertale.fandom.com/wiki/Waterfall/NPCs#Small_Bird "Waterfall/NPCs") is located, and Room 116 (room\_water\_friendlyhub), where the six-way fork in Waterfall is. The characters in this area mention that this corridor is a bug catching spot. ![Room 123](https://static.wikia.nocookie.net/undertale/images/c/ca/Room_123_location.png/revision/latest/scale-to-width-down/180?cb=20151125200719) Room 123 An unknown character on the left side of the tall grass mentions that "there is somebody with a creepy smile behind you." The unseen character presumably disappears after the dialogue is triggered. The character with the "creepy smile" is possibly the Mystery Man seen in Room 269 which may be Gaster, and the evidence supporting this theory lies within the word "smile" in the dialogue, as the track that plays in Entry Number Seventeen is named `mus_smile`. However, it could also be [Flowey](https://undertale.fandom.com/wiki/Flowey "Flowey") (who follows the protagonist throughout the game), Sans, or even [the fallen human](https://undertale.fandom.com/wiki/Chara "Chara"). #### Room 272 ![Room 272](https://static.wikia.nocookie.net/undertale/images/7/75/Room_272_location.png/revision/latest/scale-to-width-down/180?cb=20151125200800) Room 272 [Room 272](https://undertale.fandom.com/wiki/Inaccessible_Rooms#Room_272 "Inaccessible Rooms") is black and has a ghostly figure (nicknamed "Redacted", as the file name for it is `spr_redacted_a`) in the middle of it that becomes less transparent as the protagonist approaches. If the protagonist attempts a conversation with the NPC, it returns "\* \[redacted\]" in lowercase Wingdings, which implies that a conversation was planned here but was removed for security purposes.[\[3\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-3) Exiting Room 272 leads to the [Sound Test Room](https://undertale.fandom.com/wiki/Fun_Value#Sound_Test_Room "Fun Value"), where the player can listen to [Gaster's Theme](https://undertale.fandom.com/wiki/Fun_Value#Gaster's_Theme "Fun Value"). To access this room and avoid the [Annoying Dog](https://undertale.fandom.com/wiki/Annoying_Dog "Annoying Dog") error screens, a hexadecimal editor needs to be used to change the "Dogcheck" value.[\[4\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-4) #### Hotland A [Follower of W.D. Gaster](https://undertale.fandom.com/wiki/Hotland/NPCs#Gaster_Follower_2 "Hotland/NPCs") states that they're "holding a piece of him right here." #### The Stable ![An unused sprite for the stable.](https://static.wikia.nocookie.net/undertale/images/2/2f/Stable_overworld.png/revision/latest?cb=20200218212828) An unused sprite for the stable. Inside the game's files are strings of text that implicate a horse stable was planned to be put into the game. There would be a trash can where a key can be found; if the key is brought to the stable, the same figure from Room 272 appears and says "\* x" in Wingdings. ## Main Story ### Room 264 ![Entry Number Seventeen.](https://static.wikia.nocookie.net/undertale/images/d/dd/Room_264_screenshot.gif/revision/latest/scale-to-width-down/180?cb=20160113181122) Entry Number Seventeen. In [Room 264](https://undertale.fandom.com/wiki/Inaccessible_Rooms#Room_264 "Inaccessible Rooms") (room\_gaster), the text below is displayed in uppercase Wingdings. While it appears to be the missing seventeenth [lab entry](https://undertale.fandom.com/wiki/True_Lab#Lab_Entries "True Lab") from the [True Lab](https://undertale.fandom.com/wiki/True_Lab "True Lab"), this could be a red herring, as there was an alternate seventeenth entry in the game's files prior to [version 1.001-4](https://undertale.fandom.com/wiki/Version_Differences#Undertale_v1.001-4 "Version Differences"), which added Japanese localization. The alternate entry is heavily implied to have been written by Alphys, as it mirrors her entry format, writing style, and correlates with her [Determination](https://undertale.fandom.com/wiki/Determination "Determination") experiments.[\[5\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-5) Both entries are inaccessible in normal gameplay; Alphys's entry can only be found in the game's text files, and Gaster's entry is only accessible through [SAVE](https://undertale.fandom.com/wiki/SAVE "SAVE") manipulation or debug mode. Room 264 immediately follows the generator room in the True Lab. Transliteration of the Wingdings text is as follows: > ENTRY NUMBER SEVENTEEN > DARK DARKER YET DARKER > THE DARKNESS KEEPS GROWING > THE SHADOWS CUTTING DEEPER > PHOTON READINGS NEGATIVE > THIS NEXT EXPERIMENT > SEEMS > VERY > VERY > INTERESTING > ... > WHAT DO YOU TWO THINK Once the message ends, the screen turns black for a second before the game closes. The audio that plays during the entry is labeled as "[`mus_smile`](https://static.wikia.nocookie.net/undertale/images/7/7e/Mus_smile_music.ogg/revision/latest?cb=20160412184202 "Mus smile music.ogg")" in the game files. This file can be sped up by 1000% to reveal [Muffet](https://undertale.fandom.com/wiki/Muffet "Muffet")'s laugh, reversed, and then looped over.[\[6\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-6) An excerpt from Entry Number Seventeen was also available at [deltarune.com/him.png](https://web.archive.org/web/20151209013205im_/deltarune.com/him.png) from 2015. ### "The Man who Speaks in Hands" ![River Person's hands speech.](https://static.wikia.nocookie.net/undertale/images/5/53/River_Person_screenshot_hands.png/revision/latest/scale-to-width-down/220?cb=20150926225445) River Person's hands speech. During one of the travels with River Person, they say "Beware of the man who speaks in hands." There is speculation that this alludes to Gaster since the Wingdings typeface used in Entry Number Seventeen (room\_gaster) uses hand symbols. ![River Person's other world speech.](https://static.wikia.nocookie.net/undertale/images/c/c3/River_Person_screenshot_other_world.png/revision/latest/scale-to-width-down/220?cb=20151119081237) River Person's other world speech. A similar line from the River Person is "Beware of the man who came from the other world." Considering the similarities it shares with the previous quote, it might either refer to Gaster or the monster [So Sorry](https://undertale.fandom.com/wiki/So_Sorry "So Sorry"), whose check text reads "This creature is definitely in the wrong time and space!" as well as the file name of [So Sorry's theme](https://undertale.fandom.com/wiki/Wrong_Enemy_!%3F "Wrong Enemy !?") being `mus_wrongworld`. ### Sound Test Room If the Fun Value is 65 and Papyrus has been defeated, there is a 50% chance the player can enter the Sound Test room by going north of the "Box Road" save point in [Snowdin Forest](https://undertale.fandom.com/wiki/Snowdin_Forest "Snowdin Forest") (or by exiting Room 272 regardless of Fun Value). This "room" is a menu containing four short, looping songs, including Gaster's Theme; neither of which are used anywhere else in the game. Upon playing Gaster's Theme, the other three songs are unable to be played again even if the player tries to do so. After Gaster's Theme plays for 20 seconds, the text "Thanks for your feedback! Be seeing you soon!" is displayed and either the protagonist is put in the room with the fishing pole in [Snowdin Forest](https://undertale.fandom.com/wiki/Snowdin_Forest "Snowdin Forest") or (if the player came from Room 272) the game crashes, suggesting Room 272 was intended to be focused on Gaster. ## Relationships ### Goner Kid Main article: [Waterfall/NPCs\#Goner Kid](https://undertale.fandom.com/wiki/Waterfall/NPCs#Goner_Kid "Waterfall/NPCs") There is some inconclusive evidence as to whether [Goner Kid](https://undertale.fandom.com/wiki/Waterfall/NPCs#Goner_Kid "Waterfall/NPCs") is actually related to Gaster. Like Gaster's followers, Goner Kid's sprite has minor differences compared to the monster their sprite is based on. Goner Kid's clothing has a blocky, checkerboard-like pattern, they have a bow or two horns/spines on one side, two lines behind their head, and their eyes have no pupils. However, unlike Gaster's followers, the protagonist's phone works if they attempt to use their cell phone while in the room, and Goner Kid never mentions Gaster's name. ### Gaster's Followers ![The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on.](https://static.wikia.nocookie.net/undertale/images/6/69/Cell_Phone_screenshot_Gaster_Follower.png/revision/latest/scale-to-width-down/220?cb=20160404011847) The protagonist cannot call Papyrus while a Gaster follower is present, describing that the phone will not turn on. Main article: [Hotland/NPCs\#Gaster's Followers](https://undertale.fandom.com/wiki/Hotland/NPCs#Gaster's_Followers "Hotland/NPCs") Gaster's Followers are gray NPCs that are found near the elevators in [Hotland](https://undertale.fandom.com/wiki/Hotland "Hotland") when the fun variable is at a certain value. They all resemble certain NPCs in the game but with a few minor differences (excluding Gaster Follower 3, though an NPC in [Deltarune](https://deltarune.fandom.com/wiki/Deltarune "dr:Deltarune") resembles them[\[7\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-7)). If the protagonist tries to call Papyrus (or Papyrus and [Undyne](https://undertale.fandom.com/wiki/Undyne "Undyne")) while in a room with a follower, they only get the line "The phone won't turn on." The protagonist can still attempt to reach [Toriel](https://undertale.fandom.com/wiki/Toriel "Toriel") over the phone. The phone works normally after leaving the room. ### Goner Clam Girl Main article: [Waterfall/NPCs\#Clam Girl](https://undertale.fandom.com/wiki/Waterfall/NPCs#Clam_Girl "Waterfall/NPCs") Goner Clam Girl, also known as Clam Goner, is a Waterfall NPC exclusive to the [Nintendo Switch](https://undertale.fandom.com/wiki/Version_Differences#Nintendo_Switch "Version Differences"), Xbox One, and Xbox Series X\\|S versions of [Undertale](https://undertale.fandom.com/wiki/Undertale "Undertale"). If the fun value is exactly 81, [Clam Girl](https://undertale.fandom.com/wiki/Waterfall/NPCs#Clam_Girl "Waterfall/NPCs") has alternate dialogue in the [True Pacifist Route](https://undertale.fandom.com/wiki/True_Pacifist_Route "True Pacifist Route") epilogue. At the final line of her dialogue, Clam Girl turns into Goner Clam Girl, and the song [Reunited](https://undertale.fandom.com/wiki/Reunited "Reunited") stops. She then disappears with the same sound effect as Mystery Man and Gaster Follower 2, which shows a possible connection to Gaster. ### Sans Sans is presumed to have a connection with W. D. Gaster due to the [workshop](https://undertale.fandom.com/wiki/Papyrus_and_Sans%27s_House#Sans's_Workshop "Papyrus and Sans's House") behind his house and the name of his weapons used in the [Genocide Route](https://undertale.fandom.com/wiki/Genocide_Route "Genocide Route"). Goner Kid, the NPC that discusses alternate timelines, says, "An umbrella...? But it's not raining." This may relate to the song "[It's Raining Somewhere Else](https://undertale.fandom.com/wiki/It%27s_Raining_Somewhere_Else "It's Raining Somewhere Else")" which plays when Sans takes the protagonist out to dinner in the [MTT Resort](https://undertale.fandom.com/wiki/MTT_Resort "MTT Resort") and in his workshop. The [official Undertale Tumblr](https://undertale.tumblr.com/) features a post, written in-character as Sans, that includes the line "besides, it's rude to talk about people that are listening, right?"[\[8\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-info-8) This quote is similar to a line from Gaster Follower 3. This may be a coincidence, however, as the content of the post itself doesn’t appear to relate to Gaster. ![Sans's secret lab.](https://static.wikia.nocookie.net/undertale/images/6/62/Papyrus_and_Sans%27s_House_location_workshop.png/revision/latest/scale-to-width-down/200?cb=20210319163321) Sans's secret lab. Room 80 (room\_tundra\_sansbasement) is a workshop that has four drawers and a strange machine covered up with a curtain. One drawer contains a badge, and another contains a photo album with numerous people that the protagonist does not recognize. If the protagonist has encountered Clam Girl earlier in the route, interacting with the drawer causes a card to slip into the protagonist's view; it displays a poorly drawn picture of 3 people, with the words "don't forget" written on it. The other two drawers causes the protagonist to read the blueprint on the countertop, which is said to be written in unintelligible symbols or handwriting that could potentially be related to W. D. Gaster or Alphys, as she also writes in illegible handwriting, as shown in the note before entering the True Lab.[\[9\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-9) The note written on the picture with three people is most likely from Sans; Unlike Papyrus, he does not write in his typeface, which can be seen when the protagonist reads the note on his treadmill. In Room 264 in one of the parts of Gaster's version of Entry Number 17, he says, "WHAT DO YOU TWO THINK". By "two," Gaster may be referring to Sans and Alphys, as it is hinted at the end of the True Pacifist Route that they had a past together and Gaster could be the missing link to where they possibly could have had a relationship. ![A "Gaster Blaster" Sans uses in battle.](https://static.wikia.nocookie.net/undertale/images/1/17/Sans_attack_Gaster_Blaster.png/revision/latest?cb=20160522025615) A "Gaster Blaster" Sans uses in battle. The broken machine in the room has been said to be unfixable according to [Toby Fox](https://undertale.fandom.com/wiki/Toby_Fox "Toby Fox").[\[10\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-10) This means that the machine was never meant to be fixed. Additionally, one of the types of attacks Sans uses against the protagonist during his boss fight in the Genocide Route is called the "Gaster Blaster," suggesting it's connected to W. D. Gaster. If the Genocide Route is aborted by sparing Papyrus and the protagonist interacts with his box of bones, Papyrus says that if he had used his "special attack," he would have "blasted" the protagonist away, but suddenly realizes that he can't find it. The use of the verb "blast" implies a connection to the Gaster Blaster, suggesting that the Gaster Blaster was either Papyrus's missing special attack or was somehow created by Sans from Papyrus's attack. ## Gallery ## Trivia - "W. D. Gaster" is presumed to be a combination of the fonts "Wingdings" (the font Entry 17 is written in) and "Aster" (similar to the font Sans snores in during his battle). - W. D. Gaster's name could also be a reference to "M.D. Seeger," the alias of [Shigeru Miyamoto](https://en.wikipedia.org/wiki/Shigeru_Miyamoto "wikipedia:Shigeru Miyamoto") used in the [EarthBound](https://earthbound.fandom.com/wiki/EarthBound "w:c:earthbound:EarthBound") end credits (as "Opening Rock Guitar").[\[11\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-11) - Attempting to [name](https://undertale.fandom.com/wiki/Names "Names") the fallen human "Gaster" causes the game to return to the intro. - In the [PS4 and PS Vita versions](https://undertale.fandom.com/wiki/Version_Differences#PS4/PSVita "Version Differences"), this would cause the game to crash. As of v1.03–4, it simply restarts the game. - If the protagonist's name is changed to "Gaster" [through the SAVE files](https://undertale.fandom.com/wiki/Names#Changing_the_name_in_the_SAVE_files "Names"), the ability to reset becomes unavailable as the game restarts upon clicking the Reset button. [![Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster.](https://static.wikia.nocookie.net/undertale/images/1/17/True_Lab_screenshot_shape_of_a_man.png/revision/latest/scale-to-width-down/220?cb=20160217004744)](https://static.wikia.nocookie.net/undertale/images/1/17/True_Lab_screenshot_shape_of_a_man.png/revision/latest?cb=20160217004744) Examining a refrigerator in the True Lab while the room is still under mist triggers a description of a man believed to be W. D. Gaster. - In the True Lab, if the protagonist does not activate the fans and enters the area where the protagonist encounters [Snowdrake's Mother](https://undertale.fandom.com/wiki/Snowdrake%27s_Mother "Snowdrake's Mother") and interacts with the second refrigerator in the room, the narration describes a figure obscured by the fog in the shape of a man. This figure could be Gaster. However, it may simply be the "[watching man](https://undertale.fandom.com/wiki/True_Lab/NPCs#Watching_Man "True Lab/NPCs")"[\[12\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-12) Amalgamate that tucks the protagonist into bed in the True Lab. - It could also be the "[Man](https://deltarune.fandom.com/wiki/Man "dr:Man")" character from Deltarune, as he is described in a similar fashion. The narration also describes another refrigerator as "a tree, ripe with delicious fruit," like those the Man hides behind. - The voice bites used in Room 264 (`snd_wngdng1` through `snd_wngdng7`) are excerpts from the text-to-speech voices used in [`abc_123_a`](https://undertale.fandom.com/wiki/Unused_Music_Tracks#abc_123_a "Unused Music Tracks"), possibly indicating a connection to Toby Fox or other meta-knowledge. - If Entry Number Seventeen is considered, Gaster is the only individual character to have a unique typeface and soundbite without their face accompanying the text box when he talks. The other main-game examples of a unique soundbite but no dialogue portrait are [Mettaton](https://undertale.fandom.com/wiki/Mettaton "Mettaton") (during his initial form) and the species of [Temmie](https://undertale.fandom.com/wiki/Temmie "Temmie"), though they both keep the Determination Mono typeface. - The figure in Room 272 speaks with an asterisk and in lowercase, similar to Sans. Entry Number Seventeen is written in uppercase and without an asterisk, similar to Papyrus. - It is possible that Gaster could have created the DT Extraction Machine in the True Lab as Alphys uses blueprints to operate it.[\[13\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-13) These may be the blueprints found in Sans's Workshop. - On the official Undertale Tumblr, Sans suggests doing research about [Shyren](https://undertale.fandom.com/wiki/Shyren "Shyren")'s lower body. Shyren's head and body are two different beings, but an optical illusion makes them look like one entity.[\[8\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-info-8) - This could relate to the face that shows up on the body of the Mystery Man. Further interpretation could be that the Mystery Man is actually two different monsters or an [Amalgamate](https://undertale.fandom.com/wiki/Category:Amalgamates "Category:Amalgamates"), though this might be contradicted by the fact that Amalgamates were created by [Alphys](https://undertale.fandom.com/wiki/Alphys "Alphys"). - If Mystery Man is turned upside down, their clothing and hands resemble another face. Notably, before interaction, this face appears to be surprised, but after interaction, it appears calmer, contrary to Mystery Man's surprised expression. [![The modified Uboa sprite used in the Halloween Hack.](https://static.wikia.nocookie.net/undertale/images/5/51/Dr_Andonuts_Uboa_screenshot.png/revision/latest/scale-to-width-down/220?cb=20151209082417)](https://static.wikia.nocookie.net/undertale/images/5/51/Dr_Andonuts_Uboa_screenshot.png/revision/latest?cb=20151209082417) The modified Uboa sprite used in the Halloween Hack. - Mystery Man shares some visual similarities with [Uboa](https://yumenikki.fandom.com/wiki/Uboa "w:c:yumenikki:Uboa") from [Yume Nikki](https://yumenikki.fandom.com/wiki/Yume_Nikki "w:c:yumenikki:Yume Nikki"). This appearance is also shared with Dr. Andonuts from Toby's EarthBound Halloween Hack. - In the game files, Gaster's Theme is named `mus_st_him`, unlike the other rooms in the sound test that have their song names explicitly shown (such as `mus_st_happytown`). - `snd_mysterygo` uses the same piano sound as Gaster's Theme. - Until [version 1.001](https://undertale.fandom.com/wiki/Version_Differences#Undertale_v1.001 "Version Differences"), events related to Gaster were inaccessible unless a SAVE file was edited to have "fun" capitalized to "Fun." - In a tweet, Toby Fox showed very early concept art for Papyrus. In the same image was a note saying that Papyrus "had a \_ named \_" with the nouns censored out. It is possible this refers to Gaster, due to the popular theory that Gaster is related to Sans and Papyrus in some way.[\[14\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-14) This note may also refer to the unimplemented character [Grandpa Semi](https://undertale.fandom.com/wiki/Unused_Music_Tracks#grandpasemi "Unused Music Tracks"). - The Gaster card is not included in the [official Undertale tarot,](https://www.fangamer.com/products/undertale-tarot-cards) which indicates that this card is not canon. Toby Fox has also stated the merchandise is not canon.[\[15\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-15) - Gaster's Theme is 17 seconds long, possibly alluding to Entry Number Seventeen. - Mystery Man appeared faintly on the cover of Fangamer's UNDERTALE Complete Vinyl Soundtrack Box Set for a brief period of time, but the image was removed from later releases.[\[16\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-16) - Similarly, on the artwork of the [iam8bit vinyl release](https://materia.store/products/undertale-vinyl-soundtrack-toby-fox-iam8bit-2xlp-iam8bit), Mystery Man was removed and replaced by a save point. The art also includes a depiction of "Redacted," which was not changed.[\[17\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-17) - The company founded by Toby Fox in October 2015 to manage the copyrights of Undertale and Deltarune is named "Royal Sciences LLC", possibly referencing Gaster's job as the royal scientist. - Gaster is heavily associated with the [Number of the Beast](https://en.wikipedia.org/wiki/Number_of_the_beast "wikipedia:Number of the beast") (666), repeating 6s, or the number 6 in general. - Gaster's typeface value in Entry Number Seventeen is 666. - Gaster's unused battle stats found through datamining are all repeating 6s. - All Fun Value events directly related to Gaster are within the 60s range. - The fake hallway in Waterfall, and the Mystery Man's room by extension, is accessible when the Fun Value is 66; the value's only possible number with repeating 6s. This may suggest the figure has a strong connection to Gaster, or may truely be his actual appearance. - Deltarune contains several references to Gaster, possibly alluding to him being an important character in the game: - An excerpt from Entry Number Seventeen in Wingdings was available on [Deltarune's website](https://web.archive.org/web/20151209013205im_/deltarune.com/him.png) from 2015. This excerpt would then be [replaced in 2016](https://web.archive.org/web/20161221070931im_/http://www.deltarune.com/him.png) with a paraphrase from [The Legend of Delta Rune](https://deltarune.fandom.com/wiki/Legend_of_Delta_Rune "dr:Legend of Delta Rune"), also in Wingdings. The filenames for these images are `him.png`, similar to Gaster's Theme. - `mus_smile` is used as the "garbage noise" that plays when the [cell phone](https://deltarune.fandom.com/wiki/Cell_Phone "dr:Cell Phone") is used in a [Dark World](https://deltarune.fandom.com/wiki/Dark_World "dr:Dark World"), and can be heard near the [Bunker](https://deltarune.fandom.com/wiki/Hometown#Mysterious_Bunker "dr:Hometown") south of [Hometown](https://deltarune.fandom.com/wiki/Hometown "dr:Hometown") further slowed down to 15% speed. - [Seam](https://deltarune.wiki/w/Seam) describes that [Jevil](https://deltarune.wiki/w/Jevil)'s view on the world became Darker yet Darker after meeting someone, a reference to Entry 17 - During chapter 4, the hymn the choir sings contains multiple references to Entry 17 - The "[Voice](https://deltarune.fandom.com/wiki/Voice "dr:Voice")" character from the game's introduction has several similarities with Gaster, implying they are probably the same: - Leading up to the release of Chapter 1, both English and Japanese Undertale Twitter accounts would tweet in-character as the Voice, stating they have something to show to the player that they think they will find "VERY, VERY, INTERESTING"; paraphrasing Entry Number Seventeen. [\[18\]](https://undertale.fandom.com/wiki/W._D._Gaster#cite_note-18) - The filename for Gaster's Theme in Undertale is `mus_st_him`, whereas the OST that plays during Deltarune's [introduction](https://deltarune.fandom.com/wiki/Introduction "dr:Introduction") is called [ANOTHER HIM](https://deltarune.fandom.com/wiki/DELTARUNE_Chapter_1_OST#ANOTHER_HIM "dr:DELTARUNE Chapter 1 OST"). - The Vessel created in the introduction is referred to as a "Goner" in the files, similarly to Goner Kid, Clam Goner, and Gaster's Followers. - The typeface value for the voice during the introduction is also 666. - The version number for the SURVEY\_PROGRAM installer for Chapter 1 is 0.6.6.6. ## See Also - [Extracted Resources](https://tomat.dev/undertale/) - [Subreddit for Undertale Datamining](https://www.reddit.com/r/Underminers/) - [Steam Guide to W. D. Gaster](https://steamcommunity.com/sharedfiles/filedetails/?id=520337707) ## References 1. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-1 "Jump up") I understand why [ASGORE](https://undertale.fandom.com/wiki/Asgore_Dreemurr "Asgore Dreemurr") waited so long to hire a new Royal Scientist. The previous one... Dr. Gaster. His brilliance was irreplaceable. - Gaster Follower 3 2. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-2 "Jump up") It makes sense why ASGORE took so long to hire a new Royal Scientist. After all, the old one... Dr. Gaster. What an act to follow\! They say he created the CORE. - Gaster Follower 1 3. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-3 "Jump up") [Room 272](https://www.dropbox.com/s/yyorjpkfkmak4ez/POSSIBLE%20GASTER%202.webm?dl=0) 4. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-4 "Jump up") Undertale – Disabling Dogcheck (The Annoying Dog Error Room) - [YouTube](https://youtu.be/VANddDKtilE) 5. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-5 "Jump up") [monsters](https://undertale.fandom.com/wiki/Monsters "Monsters")' physical forms can't handle "determination" like [humans](https://undertale.fandom.com/wiki/Humans "Humans")' can. with too much determination, our bodies begin to break down. everyone's melted together... - ENTRY NUMBER 17; deleted 6. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-6 "Jump up") W. D. GASTER "Mus\_Smile" Dissected\! - [YouTube](https://youtu.be/FfGXVxXALa0) 7. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-7 "Jump up") <https://www.reddit.com/r/Deltarune/comments/9tbs15/we_finally_found_g_follower_3s_corresponding/> 8. ↑ [Jump up to: 8\.0](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-info_8-0) [8\.1](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-info_8-1) for honesty's sake, investigate the truth for yourself, then ask: how is this going to help people? besides, it's rude to talk about people that are listening, right? not everyone is as tough as my brother. - [undertale on Tumblr,](http://undertale.tumblr.com/post/130552032545) October 05, 2015. 9. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-9 "Jump up") (It's hard to read because of the handwriting, but you try your best...) - Alphys's note 10. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-10 "Jump up") @rcrkar3 You've all seen the happiest outcome. Neither of them could fix the machine, no matter how hard they tried. No one can. - [@FwugRadiation on Twitter,](https://web.archive.org/web/20151107003935/https://twitter.com/FwugRadiation/status/644973310481166340) September 18, 2015. Archived on November 07, 2015. 11. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-11 "Jump up") MOTHER 2 / EarthBound Factoids & Trivia - [STARMEN.NET](https://starmen.net/mother2/gameinfo/factoids/) 12. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-12 "Jump up") The sprite name for this character is spr\_watchingman\_0. 13. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-13 "Jump up") I've done it. Using the blueprints, I've extracted it from the human [SOULs](https://undertale.fandom.com/wiki/SOUL "SOUL"). I believe this is what gives their SOULs the strength to persist after death. The will to keep living... The resolve to change fate. Let's call this power... "Determination." - True Lab, Entry Number 5 14. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-14 "Jump up") (apparently) the genesis of papyrus - [Toby Fox (@tobyfox) on Twitter,](https://twitter.com/tobyfox/status/818211590696800258) January 08, 2017. 15. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-15 "Jump up") Some people wonder about canonicity of UNDERTALE merchandise. None of it is canon (incl. the figurines) except this - [Toby Fox (@tobyfox) on Twitter,](https://twitter.com/tobyfox/status/802147835244400640) November 25, 2016. 16. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-16 "Jump up") I edited the image of Gaster from the Undertale vinyl cover to try to see his face better. - [wingdingaster on Tumblr,](http://wingdingaster.tumblr.com/post/629602553219481600) September 18, 2020. 17. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-17 "Jump up") He didn't deserve this - [@jojoton56 on Twitter,](https://twitter.com/jojoton56/status/1801027633460764877) June 12, 2024. 18. [↑](https://undertale.fandom.com/wiki/W._D._Gaster#cite_ref-18 "Jump up") SOMETHING I THINK YOU WILL FIND VERY, VERY, INTERESTING - [@UnderTale on Twitter,](https://twitter.com/UnderTale/status/1057250519733952523) October 30, 2018.
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