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Diedrich Bader (b. 1966) is an actor, usually in comedic roles, and voice actor who appeared in the 2002 Creature Shop-effects film The Country Bears as Officer Cheets. He also voiced Ted Bedderhead.
Bader was a regular on The Drew Carey Show (as Oswald). Other TV work includes a recurring role on Veep and appearances on Frasier, The Fresh Prince of Bel-Air, Murphy Brown, The Goldbergs, different CSI series, Bones, and Star Trek: The Next Generation. Films include The Beverly Hillbillies (as Jethro), Office Space, EuroTrip, Napoleon Dynamite, and Balls of Fury.
In voice-over, Bader played Bruce Wayne/Batman (and Solomon Grundy and others) on Batman: The Brave and the Bold, the robot Zeta on The Zeta Project, Adonis on Hercules, Guy Gardner on Green Lantern: The Animated Series, and Kraven the Hunter on Ultimate Spider-Man.