He has done a lot of work for Nickelodeon programs as well. On El Tigre: The Adventures of Manny Rivera he voiced Sergio and Senor Siniestro. On Fanboy and Chum Chum, he voices Boog, Mr. Mufflin, Duke, Dr. Acula, Mist Monster, The Dollarnator, the Secret Shopper, and Manartica. On Tak and the Power of Juju, he voiced Chief Zogsnob, Traloc, and Gremlin Juju. On The Adventures of Jimmy Neutron: Boy Genius, he voiced characters such as Dr. Sydney Moist and Travoltron.
He also voiced The Man with the Yellow Hat from the 2006 TV series, Curious George.