Super Wacky Races

Super Wacky Races is an American animated television series made by Cool Orchid Productions.

Synopsis
[complete crossover with other HB cartoons]

Cast
Archive recordings of Don Messick are used for Muttley's vocals.
 * TBD as Scooby-Doo
 * Nolan Massey as Shaggy Rogers
 * [Yogi and Boo-Boo, Huckleberry Hound, Snagglepuss, Tom and Jerry, Jonny Quest, Blue Falcon and Dynomutt, Secret Squirrel, Fred and Barney, Captain Caveman, Top Cat, Peter Potamus, Touché Turtle, Jabberjaw, Space Ghost, Doggy Daddy or TBD]
 * Joe Ross as Dick Dastardly
 * TBD as Peter Perfect
 * TBD as Penelope Pitstop