"This is Bill Cosby coming at you with music and fun, and if you're not careful you may learn something before it's done. So let's get ready, okay? Hey hey hey!"
―Bill Cosby, the show's intro
For Bill, the character based off of Bill Cosby, see here.
Bill Cosby
Bill Cosby


Actor, comedian, musician, author,


Fat Albert, Mushmouth, Bill, Mudfoot, The Brown Hornet

William Henry "Bill" Cosby Jr. is an American stand-up comedian, actor, musician, and author. He is the creator of the Fat Albert franchise, and voices several characters, including Fat Albert himself.