Breed: Great Dane
Original Appearances: Scrappy and Yabba-Doo segments of The Scooby & Scrappy-Doo/Puppy Hour, 1982-1983
Other Appearances: An appearance in one Give-A-Show Projector slide.
Biography: Yabba-Doo is Scooby's brother, more courageous than Scooby is. He lives out west with his master, a deputy named Dusty, and his nephew Scrappy-Doo. Yabba's catchphrase was “Yippity-Yabbity-Doo.”
Powers: Ability to speak.
Group Affiliation: Assistant to law enforcement.
Miscellaneous: Scooby's family tree has had many more relatives included... but I'll give you guys a break and not feature any more of them for a while