Gameboy'd sans

Left - OG Gameboy

Middle - Gameboy pocket

Right - Gameboy colour + older models

Enigmatic Encounter

ULB Sans

Anti-Error Sans

basically error but a gud boi

Hearts and Stars

Outerswap Frisk and Chara

It been a while since I made an Undertale fanart

Dev Log #1

epic

Undertale, but nothing's wrong.

Pepsi Sans

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