John Goodman (b. 1952) guest-starred on episode 104 of Muppets Tonight, as the Tough Guy Helpline Operator in Sesame Street All-Star 25th Birthday: Stars and Street Forever! and in some sketches with Telly Monster on Sesame Street. (EKA: 3387 and 3499)
He also voiced Mr. Prendergast in the stop-motion film ParaNorman.