Outerswap Frisk and Chara

idk what i made but i think its pretty cute

Anti-Error Sans

basically error but a gud boi

Frisk

Gameboy'd sans

Left - OG Gameboy

Middle - Gameboy pocket

Right - Gameboy colour + older models

he secretly thinks it's cute

RTX Sans... (this took WAY too long)

Error snes

Suggested by @Kukimonfohda717

Undertale, but nothing's wrong.

Underkirb