He is a prolific voice actor, known for his roles in various animated shows and movies, including:
* Captain Rex and other clone troopers in Star Wars: The Clone Wars
* Appa and Momo in Avatar: The Last Airbender
* Perry the Platypus in Phineas and Ferb
* The various animals in various Disney shows and movies
He also voices many characters in the spin-off show The Legend of Korra.