Rodger Bumpass

Rodger Dale Bumpass (born November 20, 1951)^[1] is an American actor, voice actor and comedian. He is known for his long-running role asSquidward Tentacles on the American animated television seriesSpongeBob SquarePants. He voices several other characters on the show as well, including thepurple doctor fish and variousanchovies.

He played the voice ofProfessor Membrane,Dib's eccentric scientist father. In addition to Professor Membrane, Bumpass had provided voices for other minor characters in the show, such asSpleenk andNightmare Bitters.