Uncle Happytime

Uncle Happytime was Shaggy Rogers in disguise, pretending to be a clown/TV host.

Physical appearance
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Season one
Shaggy and Scooby-Doo hid behind the back of a TV, from the Ghost of Mr. Hyde. When he failed to find them, he switched on the TV, where the duo tried to dupe the ghost, by acting out a variety of different roles inside the TV; one of them was Shaggy as a clown, who introduced the King of the Wild Blue Yonder (Scooby).

Appearances

 * Scooby-Doo, Where Are You!
 * 201. Nowhere to Hyde