Underfell Yellow - TriHATEa

They pretend they're powerful with this formation.

They become TRIHECTA after being SAVED by ACTing.

UnderFell Yellow - Insomnitot

It is hard for him to take a nap every day.

UNDERFELL Yellow - Remember Clover, it's KILL or BE KILLED.

Holy crap Sans Underune.

Hey guys!

I had an idea for another fangame!

It's called YellowVenture.

In this fangame, Flowey tells Clover that he got bored of the main adventure so he wants to begin a new one.

So they will start from the TOP SIDE of the Ruins, where Toriel is.

let me just open my menu OH WHAT THE-

Underfell Yellow - Angry Frostermit

When you kill Napstablook in Undertale Yellow LOL

💀

Clover what have you done???