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Brian Posehn

Brian Posehn (born July 6, 1966) is an American actor, voice actor, musician, writer, and comedian, known for his roles as Jim Kuback on The WB's Mission Hill Knuckles the Silly Piggy in Dave the Barbarian, and Brian Spukowski on Comedy Central's The Sarah Silverman Program. He also has a recurring role on The Big Bang Theory as geologist Bert Kibbler. In Bob's Burgers he does the voice of Choo-Choo.

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