The Crazy Toilet Dude, Toilet Guy or Crazy Guy was a minor antagonist in the SMG4 series.
He is an old man that loves his water closet, Mr. Toilet, feeding him Doritos and playing with him.
He is a mario recolor almost completely colored in black, except for his yellow buttons and brown hair.
He likes staying inside of toilets and tend to live in them.
Since he is a classic character he doesnt know the modern characters, except for Bob, who defecated on him in a public toilet.