The Great Gazoo is a character from The Flintstones animated series. He first appeared on the show on October 29, 1965. He was voiced by Harvey Korman. He is a tiny green floating alien exiled to Earth from his home planet for creating a doomsday machine.
Gazoo calls Peter Griffin a dum-dum in "Wasted Talent", as he would Fred Flintstone and Barney Rubble.