Does anyone know what this is?

I made this cuz I can (Had fun making it too)

Sorry if this looks bad I'm just bored so I wanted to post

PIZZABLAST !!!!

+ some fanmade bosses uuuuh

Can someone tell me what's happening here?

AAAAAAA TALKING PIZZAHEAD IN MY TV AAAAAA

antonblast style uh huh I think

I suck at art lol

Stank frank if he stank

peppino jockey

Sans undertell undertale shitpost I've had in my head for 1,0000 years