[7][8] Bauza started his career in animation as an intern at Spümcø during his third year of college and later became a production assistant on Weekend Pussy Hunt and The Ripping Friends which was his first voice acting role.

[8] Bauza has appeared in El Tigre: The Adventures of Manny Rivera, The Fairly OddParents, Ren & Stimpy "Adult Party Cartoon", Coconut Fred's Fruit Salad Island, G.I.

Bauza is the voice of Lord Stingray on the Adult Swim series Superjail!, Marvin the Martian on The Looney Tunes Show and Dr. Psychobos on Ben 10: Omniverse.

He also appeared in episodes of the animated web series Dick Figures, where he voiced the Genie of the Teapot, the Vulgar Mall Santa, and the Ninjas.

For his role in Looney Tunes Cartoons, Bauza won the first ever Children's and Family Emmy Award for Outstanding Voice Performance in an Animated Program.