He is best known for voicing General Grievous from "Star Wars: The Clone Wars", Maurice from "The Penguins of Madagascar", Darkseid from "Superman: The Animated Series", Moe from "An American Tale", and Shredder from the "Teenage Mutant Ninja Turtles" films. He has also dubbed for actors such as Marlon Brando, John Goodman, Yaphet Kotto, and Samuel L. Jackson.