William Mark "Bill" Fagerbakke (born October 4, 1957) is an American actor and voice actor. He is well known for his long-running-roles as Patrick Star in the animated series SpongeBob SquarePants and Michael "Dauber" Dybinski on the sitcom Coach. To date, he has also appeared in 11 episodes of the sitcom How I Met Your Mother as Marshall Eriksen's father Marvin.