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* But nobody came.

* This article contains information that is from a cancelled AU, an AU that has been put on an "Indefinite Hiatus", or an AU that has not had a story update in a year. As such, some information here may not be found in any established story, and could be considered non-canon.

Time of Last Story Update: November 14, 2016

Time of Cancellation:

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Christmas Party is an AU that’s basically an AU get-together for the skeleton family. There are many Sanses, Papyruses, and a Gaster as well! Mostly Sans, though. It's hosted by the Sans from Aftertale, and currently has Classic Sans, Classic Papyrus, Classic Gaster, Underswap Sans, Underswap Papyrus, Underfell Sans, Underfell Papyrus, Science Sans, Aftertale Sans, Reapertale Sans, Error Sans and Underfresh Sans as guests.\



  • Undertale Sans (AKA Classic)
    • Often appears with Geno.
    • Gets accused of spiking the eggnog, but doesn't actually.
    • Victim to Reaper Sans' Deathly Face Touch and had a mental breakdown for the rest of the comic.
    • Wears red sweater that says "Bite Me." and has a gingerbread man on it.
      • The gingerbread often reacts the same way whoever Sans talks to reacts.
  • Underswap Sans
    • President of the Friend Club.
    • Spiked the eggnog with hardcore whiskey, or it might have been a prank.
    • Believes that with Hershey's Kisses, everything is solved. Unfortunately, he only brought one.
    • Has murdered people with tacos before. (I don't know how)
    • Wears green sweater that says either "Waiting 4 Sans-ta." or "Mr. President."
    • Practically "evil" to Science!Sans
    • While introducing Classic Papyrus to the Friend Club has a big fight with Science over whether or not the Friend Club can have a Minister of War.
  • Underfell Sans (AKA Edge)
    • Member of the Friend Club.
    • Often appears with Science Sans.
    • Wears a black sweater that says "Scary Christmas." and has a white skull on it. Later, the text on his sweater changes to "MWAHAHAHAAH" after Science talks to him about overthrowing Swap.
    • Swears A LOT.
    • Confesses to Science about somethings in Underfell and how he feels. (saw someone murder a "weak" monster right in front of him)
    • After yelling at his brother, he goes into a closet.
    • Points a middle finger at his own brother for his whole blowup.
  • Aftertale Sans (AKA Geno)
    • Hosts and doesn't like the party.
    • Refuses to stop drinking the spiked eggnog.
    • Is a masochist, according to Reaper Sans.
    • Often appears with Sans Classic, Underfell Papyrus, and Reaper Sans.
    • Gets triggered when Underfell Papyrus says Underfell is tough
    • Gets mad when Reaper shows up
    • Wears a green sweater (over his red wound) that says "Chilled to the bone." and has a skull on it. When Classic Sans informs him of how Science!Sans wants to kiss Underfell Sans, his sweater changes to "No to the no."
    • Seems to want to kidnap Swap because of how cute he is and probably would have if US Papyrus hadn't heard him.
    • Kind of likes Edge (though it is unknown if it's just his "Science!Sans side" is getting to him)
  • Science!Sans (AKA Sci)
    • Minister of War of the Friend Club, and tries to usurp Blue.
      • Ends up losing against Swap’s "Friend-chmen."
    • Finds out the eggnog is spiked, which has nasty side that effects on his... thoughts.
    • Often appears with Edge or Swap, but rarely with both at the same time.
    • Wears a green sweater that says "Merry Mathmas." and reddish glasses. His sweater does change to say "Mwahaha", when he is telling Edge his evil plan.
    • Is in love with Edge. (Though it's unknown if it's just a side effect of the spiked eggnog or if it’s for real)
    • doesn't like Swap. (Possibly)
  • Reaper Sans
    • Arrives later than the above Sanses.
    • His Deathly Face Touch is useless in the Void, since people can't die there.
    • Takes a picture with Geno on the floor and sends it to (RT) Toriel.
    • Hate-flirted with Geno
    • Often appears with Underfell Papyrus or Geno, but never with both at the same time.
    • Is a sadist, according to Geno.
    • Wears a brown sweater that says "Death the halls" that has two blue scythes on it.
    • Touched Classic!Sans' face, making him have a mental breakdown for the rest of the comic.
  • Fresh!Sans (AKA Fresh)
    • A "Friend-chman" of Swap
    • Official messenger of Friend Club.
    • Harasses Science!Sans about the side effects of the spiked eggnog.
    • Wears glasses that either say "HOHO", "BRAH" or "RUDE" (When Underswap Papyrus ignores him).
    • Wears a mostly green sweater that says "Ho Yo Lo Bro."
  • Error!Sans (AKA Error)
    • A "Friend-chman" of Swap
    • Is seen as a higher threat by Underswap Papyrus over Underfresh Sans.
    • Wears a purple sweater that says "Nooo, Asgoro!" This is possibly because he likes watching the UnderNovela AU.


  • Undertale Papyrus
    • Cooks everyone Christmas Spaghetti, which ended up looking more like sausage pizza.
    • Gets invited to Friend Club, but he denied.
    • Wears a green sweater that is wrapped up in Christmas lights.
    • Tries to join the Friend Club but is interrupted by a fight between his brother and Science. (He walks off after seeing a red glare in Swapks eyes after he says that he would be “kind and just,....... at first.”)
  • Underswap Papyrus (AKA Stretch)
    • Overprotective of his brother, Swap
      • Punched Error!Sans, and tells him to not touch his brother.
    • Tries to settle the conflict between the Underfell brothers after threatening to do something to Fell Papyrus if he cursed in front of his brother.
    • He calls the closet the "Underfell Therapy Closet."
    • Appears almost equally with all the characters (except Classic Papyrus and W.D. Gaster).
    • Wears an orange hoodie/sweater that says "Ugly Christmas Sweater."
    • Knows that Swap had pranked Classic Sans by spiking the eggnog with whiskey (or it’s really real, I guess?)
  • Underfell Papyrus (AKA Edge)
    • Acts like a complete jerk to his own brother. (However, he acts good to his brother after being in the "Underfell therapy Closet" with US Papyrus)
    • At start has a red and black jumper which reads 'Bad to the Bone' with spikes on the sides of the sleeves (Which almost like his main signature outfit) and has words on the sides of his sleeves (Can't read it because he has his arms crossed most of the time) and has spikes around the neck of the sweater.
    • Later after his chat with his brother, he has changed to his brown/black sweater that says 'Merry Christmas, Ya Filthy Animal'.
    • Also cursed at Swap, in which US Papyrus came up to him about warning him again about not to curse in front of his bro.

W. D. Gaster

  • Undertale W.D. Gaster
    • Is probably the most random character, tied with Underfresh Sans.
    • Technically father of Classic Sans, Classic Papyrus, Science!Sans, and Geno.
    • Believes that he is able to turn invisible by himself.
      • Also believes that Reaper Sans is the only one able to bypass this.
    • Believes that he can explode rabbits by thinking about it, since he can also supposedly turn invisible by sheer will.
    • Wears a red sweater that says "Chemis-tree." and has a Christmas tree on it. (possibly because he loves Science and is a scientist)
    • Calls Classic Sans and Geno 'Narcissistic Self Shipping Sinners' and continues to ask 'Who is going to win him (UF Sans) in this game of passion.'
    • He also mentions that he wants grandkids, probably the most, if not only, not very safe for work quote in the whole comic.
    • He apparently spent several hours of the party sitting in a corner giggling to himself.


  • The only people to drink the spiked eggnog are Classic Sans, Fell, Geno, and Science!Sans.
    • Reaper Sans brings his own Starbucks to the party, and drinks that instead.
    • The other characters never drink anything, but instead they just hang around.
  • The only things to eat at the party are Christmas Spaghetti and pretzels.
  • Classic Papyrus is the only one without words on his clothes.

(Extra: This AU is one of Edit Lord's Favorite AUs.)

(Extra for the extra: We don’t care!)


  1. Underfell Papyrus' sweater that reads "Merry Christmas, you filthy Animal" is a reference from "Home Alone 2."
  2. W.D. Sweater that says "Chemis-tree", which is a pun to "Chemistry."
  3. Reaper Sans' sweater that reads "Death the Halls" is a parody of "Deck the Halls."