Famously portrayed the voice of Squidward on SpongeBob SquarePants. He also provided the voice of Professor Membrane on Invader Zim.
He worked for the television station KAIT-TV, where he wrote and performed a late-night comedy show called Mid-Century Nonsense Festival Featuring Kumquat Theater.
He was the victim of a hoax in 2006, which purported that he had died during heart surgery.
Originally from Arkansas, he'd later live in Burbank, California.
He lended his voice to the Nickelodeon show SpongeBob SquarePants with Tom Kenny, who provided the voice of SpongeBob.