Leif Tilden

David Leif Tilden, known as Leif Tilden, is an American actor, puppeteer, director and writer. He was the costume actor for Donatello in Teenage Mutant Ninja Turtles and its sequel as well as playing Robbie Sinclair and Richfield in the sitcom Dinosaurs, and gorillas in various films, including Born to Be Wild, George of the Jungle, Ace Ventura: When Nature Calls, and Buddy.