Len Janson
Writing · Director · Writer · Producer
Born Nov 18, 1937 · Los Angeles, California, USA
Active 1965–present
Filmography
Tiny Toon Adventures (1990) — WriterThe Smurfs (1981) — WriterThe Real Ghostbusters (1986) — WriterSonic the Hedgehog (1993) — WriterSonic Underground (1999) — WriterThe Love Boat (1977) — WriterMy Smurfy Valentine (1983) — WriterBlaze Glory (1969) — The Pug-Nosed Kid · DirectorIsis (1975) — WriterThe Smurfs Christmas Special (1982) — TeleplayThe Smurfs Springtime Special (1982) — TeleplayThe Flintstones: Wind-Up Wilma (1981) — WriterP.J. Funnybunny (1989) — WriterStop Look and Listen (1967) — Sunglasses · Director · WriterThe New Fred and Barney Show (1979) — StoryGroovie Goolies (1970) — WriterSolarman (1986) — Original StoryDumb and Dumber (1995) — WriterBoulder Wham! (1965) — StoryP.J.'s Unfunnybunny Christmas (1993) — TeleplayVicious Cycles (1967) — Leader of the Vicious Cycles · Writer · Producer · DirectorGoing Bananas (1984) — Screenplay · CreatorThe Hanna-Barbera Hall of Fame: Yabba Dabba Doo II (1979) — WriterBenji, Zax & the Alien Prince (1983) — Editor · Writer