Error "Sans" ruru~

Error hates and is afraid of any touching, he hates being hugged, touched, poked, etc. This causes anger, hostility, and disgust.

Peculiarities:
He possesses threads—a concentrated version of telekinetic magic—which he can draw from his eyes and hands. They allow him to extract his soul from his body and move it, but he primarily uses them for personal purposes. He can open portals to other universes, which can be one-way or two-way, and can also reveal Error's past.
Capable of manipulating the Anti-Void code, and also capable of studying the code of other universes

When he's deeply worried about someone, he "reboots." Due to a serious injury, Error's body prevents him from remembering his past. When he sees one universe, Error forces the multiverse to create a new one exactly like it, so technically he doesn't destroy anything. He speaks many languages.

Error's primary goal is to purge all anomalies and glitches, even going so far as to purge the original/canon universes. He can label anyone or anything a glitch or error simply because he doesn't like it, and then calmly kill them. Error also wants to purge all universes except one, which he doesn't yet know, though he can't destroy popular universes.