I prefer this to the newer Monsters Inc. ass looking stuff. This looks terrifying in a way that bloated art can't.

Biblically accurate beholder

I thought this was Berserk

 for me

I've heard the gelatinous cube because a D&D monster because Gary G used his kid's dessert as a mini one night. As for the beholder... we can only assume he had a testicle on display in his home for some reason.

You about to beholdin deez nuts.