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Frank Welker (born 1946) 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 affects used in various animated series and live-action films. He is now the current voice of Walt Disney Studio's oldest animated star, Oswald the Lucky Rabbit. He was also the voice of Goddard from the old nick show and movie Jimmy Neutron. He is also the voice of Bubble Puppy in the Nick Jr. TV show for preschoolers, Bubble Guppies.
He has been referred to by fellow Futurama cast members Billy West and John DiMaggio as a "voice god".