Brian Posehn

Actor, known for The Big Bang Theory, Star vs. the Forces of Evil, The Simpsons

Brian Edmund Posehn (born July 6, 1966) is an American actor, voice actor, musician and comedian, known for his roles as mail clerk Kevin Liotta on NBC's Just Shoot Me!, a cast member and writer on HBO's Mr. Show, and most recently as Brian Spukowski on Comedy Central's The Sarah Silverman Program.