Richard Steven Horvitz

Voices

 * Crossover Universe - Billy, Harold, Chaz, Joey, Mr. Spokes
 * Multiverse X - Billy, Harold, Chaz, Joey, Mr. Spokes
 * House of Animals (TV Series) - Billy, Harold
 * The Secret Life of Mandy Hillson - Billy, Harold
 * Miscellanous! Cartoons - Gilbert the Chihuahua, additional voices