As a voice actor, Tochi has provided voices for numerous animated films, computer games and animated cartoon series, including the Bionic Six (all 65 episodes), Challenge of the GoBots, Scooby-Doo and Scrappy-Doo, What's New, Scooby-Doo?, The Real Adventures of Jonny Quest, and Mortal Kombat: Defenders of the Realm (as its main star Liu Kang). He performed the voice of Leonardo in the first three Teenage Mutant Ninja Turtles films in the early 1990s. He also is the voice of the Chinese soldier who runs the Great Wall in Disney's Mulan, and more recently had recurring roles in Batman Beyond, As Told by Ginger, Kim Possible, Johnny Bravo, Static Shock, Family Guy and Avatar: The Last Airbender on Nickelodeon.