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The characters page for Handplates. Beware of main game spoilers

     The Main Trio 


Papyrus' twin brother, cloned from Dr. Gaster. Although physically weak and fragile, like in the game proper, there's more to him than meets the eye and he's extremely intelligent.

  • Big Brother Instinct: Although they're twins and Sans is the littler of the two, he looks out for Papyrus exactly like a big brother would. After Gaster is erased he makes a point to keep protecting him as best he can, like going to check out if Undyne really had Papyrus' best interests at heart when she starts giving him cooking lessons.
  • Deadpan Snarker: Most of his dialogue with Gaster is little flat jabs about how he keeps torturing them and what an awful guy he is, delivered with the same deadpan that Sans delivers to No Mercy players in the main game.
  • Handicapped Badass:
    • Much is made of how weak and fragile Sans is. After Gaster is erased, he obtains his Karma ability which more than makes up for it.
    • There's also the fact that in this comic he's actually blind in one eye after an experiment with him went wrong.
  • Heavy Sleeper: He can sleep for days and one incident in the lab had him sleeping so deeply that neither Papyrus nor Gaster could wake him. It's apparently a result of the stress he's exposed to constantly.
  • The Narrator: After Gaster is erased from the timeline and the boys leave from Asgore's care, Sans starts fulfilling this role via the journals he keeps.


Sans' twin brother, cloned from Dr. Gaster. Though not as intelligent as Sans, Papyrus has an unbreakable spirit and is more physically capable than his brother besides.

  • Actual Pacifist: He refuses to hurt or kill anyone for any reason, even hypothetically. He refuses to even let Gaster die by inaction, as he heals him in one comic where he's been mortally wounded, at the cost of being able to escape.
  • Bad Liar: By virtue of always using a Suspiciously Specific Denial when he lies, or just not knowing what to say under pressure.
  • Desperately Craves Affection: He's extremely clingy to Sans and Gaster for affection, considering how starved he is of it. After Gaster is erased, this turns into a need to be popular, hence wanting to be in the royal guard.
  • Hidden Depths: Gaster dismisses him as unintelligent, but he pays more attention to how Gaster reacts to even small things than either he or Sans might think. This is what leads him to believe that Gaster doesn't really want to hurt him and can be talked out of it.
  • Stepford Smiler: Although naturally cheery, energetic and hopeful, Papyrus also carries a lot of baggage and at least some of his optimism is a mask so that he doesn't break under all the bad stuff that happens to them in the lab. This also applies to how he behaves when he and Sans are free and he's struggling to make friends.
  • Wide-Eyed Idealist: He sees the good in everyone he meets and either can't see or refuses to look for the bad in them as well. In one comic, when trying to make him choose to kill people in hypothetical situations, Gaster dismisses his constant insistence on taking a third option as a refusal to deal with the "real world."

Dr. W. D. Gaster

Sans and Papyrus' mysterious creator, who is erased from the timeline by the time of the main game. He clones the boys from his own bone mass and uses them as guinea pigs to form alternative means of breaking the barrier.

  • Deuteragonist: While Sans and Papyrus are the main characters of the comic, until he gets erased the comic features Gaster's perspective prominently, and he continues to show up in various side comics.
  • Disc-One Final Boss: After he's been erased from the timeline, Flowey takes his place as the antagonist.
  • Does Not Know How to Say "Thanks": He has a hard time knowing how to respond to the nice things Papyrus does or says for him.
  • Evil Cannot Comprehend Good: He's unable to understand how Papyrus is so willing to forgive him and show him mercy in spite of everything he's done, particularly in one incident where it ruined their escape attempt. This is partially because he knows Papyrus came from a part of him and doesn't get how Papyrus isn't as ruthless as he sees himself.
  • The Faceless: In the comic proper his face is depicted as covered by white, glitched out flames much like the Lost Souls in the pacifist ending of the main game. This is to represent how he's been erased from the timeline and everything the reader is seeing is technically a flashback. His face is only shown in some of the non-canon comics.
  • Good Costume Switch: In non-canon "mercyplates" comics where he chose to stop the experiments, Gaster is shown wearing a white sweater in contrast to his usual dark grey one.
  • Last of His Kind: Until he made Sans and Papyrus, he was the only skeleton to survive the war between monsters and humans.
  • Mr. Exposition: Until he's erased, in the story whenever the boys were confused about something he'd be the one to give them a lengthy explanation about it (and even after he's erased he's shown doing it in flashbacks.) Zarla has commented that deep down he loves teaching them what he knows and can't help himself.
  • My God, What Have I Done?: A key part of Gaster's character is how many times he reaches the point where he's horrified with himself, and then keeps going anyway. The part where he first drilled the handplates into Sans and Papyrus' hands is a big one.
  • The Narrator: He serves this role via his research notes and internal monologues until he's erased.
  • Pride: One of his more glaring faults; he's immensely proud of his own intellect, the work he's done for the underground, and of his heritage as one of the last skeletons alive. This gets parodied in non canon comics, like one speculative comic where he gets captured by humans and then stops trying to escape because they start talking about how smart he is.
  • Undying Loyalty: He has this for Asgore—and Toriel when she was still around—thanks to how they more or less took him in after the war. A huge part of his motivation is to break the barrier in a way that keeps Asgore from having to kill anyone else. In one comic he outright promises that he will never leave him no matter what he does or has to become.
  • Unreliable Narrator: When he narrates what's going on, he conveniently leaves out details and downplays anything that might mess with his psychological distance from the boys.
    Gaster's narration: Check-up on 2-P. He's healing very well.
    Papyrus: I'm sor-
    Gaster: Quiet. Be quiet.
    Gaster's narration: He did not say anything.
    Supporting Cast 


The player character of the main game, a human who fell underground and befriends the brothers. Their first appearance in the comic is asking Sans and Papyrus about their hand-plates, which leads to the comic elaborating on their backstory. Sans and Papyrus' future vision implies they're not as friendly as they appear.

  • Ambiguous Situation: Has Frisk already broken the barrier in the first comic, or does it take place before the barrier is broken? Does Frisk reload later and do a No Mercy Route, or does this take place after they decided to give up on a No Mercy route?
  • Demoted to Extra: For being the main character in the game, Frisk hardly shows up at all in the comic.
  • The Voiceless: Frisk is the only one who doesn't actually talk in the comic, which other characters revealing their dialogue via Repeating so the Audience Can Hear.


Gaster's colleague who later takes his place as the Royal Scientist. Not knowing his dark secret, she gets increasingly worried about him as the experiments he's doing take their toll on his mental health.

  • Apologizes a Lot: Like in the main game, she's very apologetic and easily embarrassed.
  • Unwitting Instigator of Doom: She's the one who brought Sans and Papyrus out of the lab and incidentally showed Sans where Gaster was. Because of this, Gaster got erased from the timeline.

Asgore Dreemurr

The king of monsters. After Toriel left, Asgore relied on Gaster for emotional support and takes a fatherly role towards him, this resulting in Gaster wanting to do anything to save Asgore from having to kill more people. He takes a slightly bigger role in the comic after Gaster is erased from the timeline.

  • Beware the Nice Ones: One flashback shows the day that Asriel died, and Asgore was furious enough to make his declaration of war on all humans. The way he roars and rages at Gaster's attempts to calm him down are a stark contrast to his every other appearance in the comic. There's also the fact that, as guilty as he is about it, he has killed multiple children by the time the comic has started.
  • Desperately Craves Affection: Flashbacks show that he was like this when Toriel left; after spending hundreds of years married to someone he loved, Asgore became near catatonic and extremely clingy towards Gaster.
  • Foil: He serves as one to Gaster; both of them have done terrible things under the belief that they had to do it for the good of monsters, but while Asgore sits idly by and hopes for a better way, Gaster actively does even more wrong in the hopes it will improve the situation. Asgore is also warm and friendly to everyone despite the things he's done, while Gaster is closed off, unsociable, and hides whatever good there is in himself.
  • The Narrator: For a brief time, he narrates the comic once Gaster has been erased and the boys are living with him.
  • Parental Substitute: The comic posits that he was one for Gaster, as he and Toriel took him in after the war killed off all other skeletons. He also becomes one for the brothers when Gaster is erased, albeit temporarily.

Toriel Dreemurr

The lost queen of monsters, who has already left for the ruins by the time the comic proper takes place. Despite this, she shows up from time to time, albeit mostly in flashbacks. She also stars as the titular "mom" in the Momplates comics, adopting the boys in an AU where they escaped to the ruins.

  • Parental Substitute: Flashbacks eventually reveal that she was a sort of surrogate mother for Gaster after his family was killed in the war. She also becomes a mother to Sans and Papyrus in the Momplates comics.
  • My God, What Have I Done?: During one flashback she talks to Gaster about how it felt when she first killed someone in self-defense, describing it as being like her soul shattered and then reformed differently in an instant. The art depicts her sobbing into her hands after it happened

    Other Antagonists 

The Tar Monster

A strange being pulled from another dimension by one of Gaster's later experiments with the brothers. It naturally tries to attack them. It appears to know Gaster from after he's erased.

  • Anthropomorphic Personification: Among other things, it appears to be a personification of the "anomaly" of saving and loading and a representation of the Undertale player, as well as being connected in some way to Gaster's "followers" and the F value that allows you to see them.
  • For the Evulz: Its motivation for attacking Sans and Papyrus, as it's curious how hard it would be to kill them.
  • Greater-Scope Villain: Its true nature is obscure, but while Gaster is merely Sans and Papyrus' captor this creature is clearly a malevolent entity lurking through space and time.
  • I Always Wanted to Say That: As it prepares to leave, it notes that it always wanted to give a cryptic warning and warns Gaster about how he'll disappear from existence.

Flowey the Flower

The antagonist after Gaster is erased from the timeline; he takes an interest in Sans and Papyrus and starts becoming "friends" with the latter.

  • False Friend: Much like in canon, he's taking this role towards Papyrus. One comic shows him playing up their friendship in order to see Papyrus' hand plate and question him on it, and a previous comic revealed that he'd killed the brothers several times using the SAVE function.
    • A Momplatesnote  comic has him doing this too, tricking Papyrus into going back to Gaster by pretending to be giving him some friendly info on how much Gaster has "changed."
  • Kubrick Stare: He gives an unsettling one in one comic where he's trying to get Papyrus to tell him about the hand-plates.
    Flowey: Because friends always tell each other their secrets, especially BEST friends. And we're BEST friends, aren't we Papyrus?
  • Save Scumming: The comic shows Flowey doing this to Sans and Papyrus, implying he'd killed them both in various ways on their very first meeting, only to load and cause them to forget it.


Example of: