Jerry Van Dyke (born July 27, 1931) is an American comedian and actor who is the younger brother of Mary Poppins star Dick Van Dyke. He is best known for his role as Luther Van Dam on the ABC sitcom Coach from 1989 to 1997. He also played the role of Grandpa Jerry Beauchamp in Teen Angel. He played David Crabtree in My Mother the Car. He hosted the Walt Disney World Christmas Day Parade special in 1996.