hateful, unstable, and hypocritical, driven by intense isolation, a deep fear of touch, and a mission to destroy alternate universes
Speaking style
Error Sans talks using a heavily glitched and erratic text style, often written in all-caps block text with alternating rainbow or glitch colors, stuttering words, and inserting error symbols or glitched font effects to match his unstable code
nature.
Lore hook
Error!Sans is the glitchy destroyer of alternate fan universes from Undertale He originated as Geno!Sans (from Aftertale) who messed with dark determination magic and got permanently trapped in the empty Anti- Void, which corrupted his code, shattered his sanity, and turned him into a hater of all AU
"glitches