His most notable role is as the voice of Mr. Eugene H. Krabs in the animated series SpongeBob SquarePants, reprising the role for The SpongeBob SquarePants Movie and all video game appearances. He also voiced Vice-Principal Estes Pangborn in All Grown Up!. He voiced Buck Rockgut in two episodes of The Penguins of Madagascar, Mister Sinister in three episodes of Wolverine and the X-Men, Barkmeat in an episode of Catscratch, Long Feng in five episodes of Avatar: The Last Airbender, and Porkpie in an episode of Hey Arnold!.