Show (1956) - Herbie Sally (1957) - Humberto The Ann Sothern Show (1958) - Donald Carpenter General Electric Theater (1959) - Etienne Richard Diamond, Private Detective (1959) - Tommy Start Time (1959) - Larry Philip Marlowe (1960) - Jamie Leave It to Beaver (1960) - Chopper Cooper Alfred Hitchcock Presents (1960) - Aaron Gold, Ignace Kovacs Dennis the Menace (1960) - Buzzy Hanson Thriller (1961) - Slip-Slip The DuPont Show with June Allyson (1961) - Pepe Dr. Kildare (1961) - Billy Hoffman Arrest and Trial (1963) - Bobby Randolph Summer Playhouse (1964) - Kid The Smothers Brothers Show (1966) - Lester Love, American Style (1969) - Bill The Don Rickles Show (1972) - Conrad Musk The New Dick Van Dyke Show (1973–1974) - Dennis Whitehead Mannix (1974) - Todd Corvin Kolchak: The Night Stalker (1974) - Barry the Waiter The Bob Crane Show (1975) - Gordon Good Heavens (1976) - Harold Jabberjaw (1976) - Clamhead (voice) The Practice (1976) - Dr. Byron Fisk Tarzan, Lord of the Jungle (1976–1979) - Additional voices Fish (1977–1978) - Carlie Harrison The Incredible Hulk (1979) - Harold Milburn Supertrain (1979) - Billy Barney Miller (1979–1982) - David Fingler, Stanley Fine Three's Company (1980) - Gilbert Larwin Mr. & Mrs. Dracula (1980) - Cousin Anton Good Time Harry (1980) - Stan I'm a Big Girl Now (1981) - Jerry The Kid Super Power Hour with Shazam! (1981) - Freddy Freeman / Captain Marvel Jr. (voice) Warp Speed (1981) - David Ingalls Time Warp (1981) - M.U.D. (voice) The Perfect Woman (1981) - Emo Archie Bunker's Place (1981–1983) - Gary Rabinowitz Christmas Comes to Pac-Land (1982) - Inky (voice) Meatballs & Spaghetti (1982–1983) - Clyde (voice) Pac-Man (1982–1983) - Inky (voice) Mighty Orbots (1984) - Robert Simmons (voice) Gallavants (1984) - Edil, Bok, Gauk (voice) Pole Position (1984) - Additional voices Snorks (1984–1988) - Junior Wetworth (voice) The Jetsons (1985) - Tiny Terror, Betting Machine, Lenny Lase, Mechanic, Sneak (voices) The Smurfs (1985) - The Gamemaster, Additional voices Stark: Mirror Image (1986) - Lee Vogel Throb (1987) - Josh Teenage Mutant Ninja Turtles (1987–1996) - Donatello, Bebop, Additional voices Superman (1988) - Additional voices CBS Summer Playhouse (1988) - Newton Hobbs A Family for Joe (1990) - Roger Hightower His & Hers (1990) - Bruno Chernak Gravedale High (1990) - Reggie Moonshroud (voice) Darkwing Duck (1991) - Dr. Fossil (voice) Space Cats (1991) - Incidental characters