Gameboy'd sans

Left - OG Gameboy

Middle - Gameboy pocket

Right - Gameboy colour + older models

Enigmatic Encounter

ULB Sans

Pepsi Sans

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

Frisk

Underkirb

he secretly thinks it's cute

Error snes

Suggested by @Kukimonfohda717

Anti-Error Sans

basically error but a gud boi

Undertale, but nothing's wrong.

Dev Log #1