Nicholas Bakay (/bəˈkaɪ/; born October 8, 1959) is an American actor, comedian, writer, producer, and sports commentator. He is known as the voice of Salem Saberhagen on ABC/The WB's Sabrina the Teenage Witch and Sabrina: The Animated Series, and Norbert Beaver on The Angry Beavers. He played Karl on the Fox sitcom 'Til Death as well as serving as a producer of the show. He was also one of the executive producers of the CBS sitcom Mom.