Egg.

My take on undertoad:

Undertoad: StarBound

I'm still working on it. But I think wario and waluigi fit sans and papyrus more, and Mario and Luigi more so fit undyne and alphys.

UnderSwap Sans and Dust Sans!

@BonnieGamer16

Insanity sans...

Imat-

I NEED A COOL NAME FOR TS!HARDSWAP CROSSBONES.

Human... I Rember you're DISTRUSTS...

You sure?

TS!HardSwap Papyrus design