Brian Posehn is an American comedian, actor, and writer known for work in television, film, and voice acting. He gained prominence as a recurring cast member on HBO’s Mr. Show with Bob and David and later for his role as Brian Spukowski on The Sarah Silverman Program. Posehn has appeared in numerous sitcoms, including Just Shoot Me!, The Big Bang Theory, and New Girl. He co-wrote for Deadpool at Marvel Comics and has released several stand-up albums, including Live In: Nerd Rage and Grandpa Metal.