3rd Rock from the Sun – Alan (Season 2 Episode 4) Anger Management – Daniel Avatar: The Last Airbender – Lieutenant Jee, General How, Avatar Kuruk Community – Christopher Walken/Tommy Lee Jones impersonator (Season 3 Episode 11) Friends – Bill (Season 10 Episode 2) Hot in Cleveland – Professor Zucker Mad – Gandalf, Droopy, Benedict Arnold, additional voices Malcolm in the Middle – Waiter Parks and Recreation – Martin Housely[16] Phineas and Ferb – Additional voices Random! Cartoons – Thom Cat, Neighbor John, Stumpy ("Thom Cat" short) Rules of Engagement – Mr. Wrigley Shaggy & Scooby-Doo Get a Clue! – Agent 1, Robi Superman: Red Son – Lex Luthor, Perry White, Guy Gardner / Green Lantern, Joseph Stalin, Jor-El The Big Bang Theory – Doctor, Man (voice), Las Vegas Wedding Chapel Minister The Boondocks – Bill O'Reilly, Chris Hansen, Additional voices The Fresh Prince of Bel-Air – Prof. Jeremy Mansfield (Season 4 Episode 3), Werner (Season 6 Episodes 2 and 3 and 11) The Real Adventures of Jonny Quest – Additional voices Time Squad – George W. Bush, George H.W. Bush Two and a Half Men – Gangster #2 (voice) Whose Line Is it Anyway? – Himself[17]