Peter Potamus is a purple animated hippopotamus that first appeared in the 1964–1966 animated television series The Peter Potamus Show, produced by Hanna-Barbera and first broadcast on September 16, 1964.
Having heard the legend of Captain Flint's massive treasure, a young girl named Jamie "Jim" Hawkins, along with Yogi Bear and Boo-Boo Bear set out on a frantic search for it on a mysterious island.