Outerswap Frisk and Chara

Gameboy'd sans

Left - OG Gameboy

Middle - Gameboy pocket

Right - Gameboy colour + older models

Pepsi Sans

(the other sans' are clones he makes with Pepsi Magic which he gets from drinking Pepsi)

Undertale, but nothing's wrong.

Error snes

Suggested by @Kukimonfohda717

PAFRISKUS.

epic

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

Alphys Sr.

Anti-Error Sans

basically error but a gud boi