Joseph Patrick Cranshaw (June 17, 1919 – December 28, 2005) was an American film and television actor known for his distinctive look and deadpan humor. He is best known for one of his last roles, that of Joseph "Blue" Pulaski, a fraternity brother, in the 2003 hit comedy Old School. Cranshaw also starred as Sheriff Bob in the Air Bud movies and he played the same role in Air Buddies the final time.