Aside from his many appearances on shows like Comics Unleashed, Jimmy Kimmel Live, Star Search and Comic Justice, Jeff Garcia's headlined his own specials on Showtime and Comedy Central. His latest role is on the syndicated show Mr. Box Office, starring Bill Bellamy and Jon Lovitz, but he's also famed as the voice of the Ultra Lord-obsessed Sheen Estevez in the animated series and film The Adventures of Jimmy Neutron: Boy Genius, a role that earned him an Annie animation award, not to mention his own spin-off, Planet Sheen. He's also appeared as various animated characters in Happy Feet and its sequel Happy Feet Two, Marmaduke and Rio.