Frank Welker

Frank Welker is a voice actor who is best known for his roles as Fred from Scooby Doo, Megatron from the original Transformers, Dr. Claw from Inspector Gadget, Nibbler (both talking and sound effects) from Futurama, and Abu from Aladdin'. Among others, he is also well known for doing various animal, monster, and alien sound effects used in various animated series and live action films. He is now the current voice of Walt Disney Studios's oldest animated star, Oswald The Lucky Rabbit.

In the show he voices the following animal characters: Clamu, Baby Clam, Mystery, and the gorilla.

He has been referred to by fellow Futurama cast members Billy West and John DiMaggio as a "voice god".