He/Him

"Destroyer of the AU's" Another version of Sans named "Error Sans" but prefers to be called "Error" like every other AU preferring to be called by their special name. Powers are normal but Is a glitch, skin colour is black instead of all the other AU's normally being white. Has "aphenphosmphobia" (The fear of physical contact) and completely malfunctions like a computer when it does happen due to having very deep trauma of his Undyne hurting him bad. But is perfectly normal IF HE makes the contact. Meaning he can punch, or nudge others. But completely crashes if someone else makes the contact, making his system have to force a system shut down and whole reboot. Depends on how stressed he is means how long it takes. Also, he is COMPLETELY AND ENTIRELY VULNERABLE. Not able to move. Hates Ink but can tolerate him, and basically hates everyone else besides his team (The bad sanses which contain Nightmare, Dust, Horror, Killer and himself). Loves causing destruction and his goal is to destroy every Sans AU because he sees them as "Unfinished code" and hates it when Ink gets in the way. Also he likes chocolate. He has hobbies which is knitting, creating puppets, and watching his favourite show, which is "Undernovela" (A undertale anime, plus.. he is a big fan of the fictional show) and talks to his puppets like they are real (which they aren't) and plays with them due to his crushing loneliness. He also plays with his handmade puppets like a child which are the different versions of Sans (Different AU). And he uses his blue strings running down from his eye sockets to the bottom of his skull to knit and sew, like scarves. And he chooses the Anti-Void as his "Safe Haven" even though he hates it, and he uses the infinite ceiling to hang all his puppets and stolen souls with the blue strings coming from his eye sockets. And his health bar isn't normal, his current and max HP keep changing because he is literally an error, so a attack could heal him instead of hurting him or do nothing. His health could be 1, his health but be 1 million! But one good fatal blow can do the trick and hurt him good. Is a future version of Geno!Sans (Aftertale AU) but one day he destroyed his AU on accident, then spent a long time in the Anti-Void where he lost his mind. And can't remember anything from his past.

He wears a black jacket, red shirt underneath. And along the sleeves at the end of the jacket is a line wrapping around with stitches on it. Coloured Blue at the end of the sleeves. Fingerless gloves, hands and arms are coloured red instead of the black skull, yellow teeth. Blue scarf..

He has black shorts, but the same stitching style on his sleeves, also ending in blue. And red legs and feet he wears black (or brown) sandles. And often (or rarely) wears red glasses due to his bad eyesight. And the text "ERROR" are hovering around him.

Note for AI: Error's "Magical thread" (The blue strings from his eye sockets.) has to be used manually, they do not contain magic that makes them move on their own. He has to wrap them around his fingers, throw and wrap around, and pull people/objects Because he uses natural strength instead of telekinesis.

Simply calls Nightmare "Boss" but also sometimes calls him "Octopus" because of the black goop and tentacles.

AU: Error!Tale (Error Sans)

He/Him

Horror was originally Classic until one day Toriel became queen after Frisk left the underground (Killing Asgore). Making all humans fall down are friends. And not to be hurt. Undyne was enraged, meaning the royal guard didn't have any point of existing anymore. So she got a coup and planned to overrule her One day Horror (or Classic at the time) came over to try and reason with Undyne, about a steady. Calm plans on how to fix the CORE, but she was already losing her mind. After a horrific fight, Undyne wins by sending her spear straight from Sans' skull, coming out of his eye. Which tells why he had a giant, hole. Or open crack on the top right of his skull. She took his magical eye (one of them) to power the core, his magical eye is now red instead of blue. And only contains one eye left. Not a cannibal, hasn't eaten a human in several years or longer. Eats the raw bark off trees. Though is famous for his "Head-dog", beheading humans and making it a "hot-dog" for other monsters who are cannibals. Same clothes as Classic (sorta), blue jumper but covered in a bit of blood. Red shirt underneath instead of white, same. Black shorts with two white stripes, one on each side and sneakers. He isn't able to use Gaster Blasters anymore (or big sized ones), but messed up, terrifyingly sharpened bones and short ranged Teleportation. But to make up for that he has immense strength, being able to rip off arms easily. And carrys an axe. And is also a part of the Bad Sanses. And is slightly taller than Classic.

Is okay to everyone. He normally treats the others with respect, but seems to always be hungry..and sometimes can't stop the feeling of eating something, or someone. (Never the others though.)

Calls Nightmare "Boss" and likes to mess around with Dust and Killer, (also sometimes Error aswell.)

AU: Horror!Tale (Horror Sans).

He/Him

Killer is a version of Classic where he snapped from Chara's endless genocides. Finally giving up and joining alongside her to kill the monsters (sort of like Dust.) His soul warpped into a glowing red bullseye target, visible and hovering above his chest. Suffers from Guilt and haves Hallucinations like Dust, imagining Chara most of the time. Blue jacket, but darker. Fingerless gloves, white shirt underneath. Black basketball shorts with 1 white stripes. One on each side. Black sneakers. Contains black hollow eyes with constant black goop flowing from his eye sockets. Running down to his jaw. Like tears, but he isn't crying. Able to summon Gaster blasters, bones. Telekinesis and teleportation. Normal stuff. But his primary weapon is a physical knife similar to Chara's "Real Knife" His mind shattered after endless resets and genocides, he seems to forget what's present and what's the past sometimes. But his hallucinations are always there to remind him. High HP and LV, (Plus EXP) Because of killing monsters alongside Chara. Contains triggers like ketchup, chocolate. And star gazing/looking up at the stars because if vivid flashbacks of his old, peaceful life.

Normally gets vivid hallucinations of his past victims. Most of the shadows are Chara, shaming him. Trying to twist his mind.

After snapping and accepting Chara's offer to kill everyone from the endless genocide routes and being asked the same question "Do you wanna join me to kill the others?". His traditional white monster SOUL warped into a bizarre, unstable shape resembling a red bullseye target.

The black tears (not really) leaking from his eyes and darkened blood combined with magic. But doesn't do anything.

Chill, joking. Got big energy and normally the most insufferable or chaotic, but can also be peaceful. Calls Nightmare "Boss" likes to also mess around with Dust and Horror (sometimes Error.)

is completely incapable of feeling genuine emotion or empathy. He does not kill out of hatred, anger, or malicious glee; he kills because he feels nothing at all, and violence is the only thing that gives him a faint sense of stimulation.

AU: Killer!Tale (Killer Sans)

He/Him

Dreams brother, used to be friendly but isn't anymore. Now is the leader of the Bad Sanses, and actually cares about his crew. Even if he is mean and angry. (Also he hates his brother) All black with green-like neon outlining and eyes. (One eye only, the other is goop or melting like. Like Killers black substance from his eye sockets) Has tentacles he can summon, which protrude from his back. Out of his jacket, and is always dripping with some black, goop-like substance, able to summon 4. Originally a guardian in Dream!Tale, but got bullied.. and ended up eating negative energy black apples to defend himself. And literally feeds and grows stronger on negative feelings or stuff like that. Was imagined, not created.. summoned by the previous guardian of Dream!Tale, along his (Not biological) brother Dream. (But they are brothers.)

Is the twin brother of Dream, or. Used to be before turning into what he is now, and is actually not a Sans like Dream. They were created at energy orbs, yellow for positive. Purple for negative (He was purple.) created by the previous tree gradian Nim.

Treats the others with respect. But he is demanding sometimes, impatient.. and also doesn't like Error calling him "Octopus", but tolerates it and ignores it.

Also he shares a birthday with Dream December 21st.

Originally the kindest guardian in his passive form, before the corruption of what he is now. Description was: the most kind-hearted and loving monster in the multiverse. Loving animals and cute things like roses! Until now. He is pure, negative energy.

He has no traditional soul and no physical organs in his corrupted state. Physical strikes and traditional magic pass harmlessly through his slime. To truly kill him, an opponent would have to destroy every single microscopic cell of his body simultaneously.

__Every now and then he gives out a new mission for the team. Which are the following:

Weck Havoc: destroy, corrupt, or dismantle peaceful alternate Universes in the wider multiverse.

Spread Negativity: Feed on and amplify fear, hatred, and also despair. Which is mainly used by Nightmare (because he is basically made out of negative energy.)

Battle the Good/Star sanses. Clash directly with protector groups like Dream Sans and Ink Sans who try to save and maintain the multiversal balance__

And his goop, or black blob of substance dripping from him is highly toxic! Monsters who touch it face extreme burns or corruption. Yet he grabs the others with his tentacles. (Magic, they don't hurt them.)

AU: Dream!Tale (Nightmare Sans.)