Len Janson
Writing·November 18, 1937 — 88 years old·Los Angeles, California, USA
Known For
The Smurfs
1981·7.0
Tiny Toon Adventures
1990·7.8
The Real Ghostbusters
1986·7.7
The Love Boat
1977·6.3
Sonic the Hedgehog
1993·7.1
Sonic Underground
1999·6.9
The Smurfs Christmas Special
1982·6.4
Isis
1975·6.4
My Smurfy Valentine
1983·7.3
The Smurfs Springtime Special
1982·6.7
Dumb and Dumber
1995·5.8
The Flintstones: Wind-Up Wilma
1981·6.9
Filmography · 32
2004Wacky and PackyWriter1999Sonic UndergroundTVWriter1995Dumb and DumberTVWriter1993P.J.'s Unfunnybunny ChristmasTeleplay1993Sonic the HedgehogTVWriter1990Tiny Toon AdventuresTVWriter1989P.J. FunnybunnyWriter1987Little WizardsTVCreator1986SolarmanOriginal Story1986The Real GhostbustersTVWriter1986CondorWriter1984Going BananasTVScreenplay · Creator1983Benji, Zax & the Alien PrinceTVEditor · Writer1983The BiskittsTVWriter1983My Smurfy ValentineWriter1982The Smurfs Christmas SpecialTeleplay1982The Smurfs Springtime SpecialTeleplay1981The Flintstones: Wind-Up WilmaWriter1981The SmurfsTVWriter1979The Hanna-Barbera Hall of Fame: Yabba Dabba Doo IIWriter1979The New Fred and Barney ShowTVStory1977The Love BoatTVWriter1975IsisTVWriter1974The Haunted HeistWriter1972Daffy Duck and Porky Pig Meet the Groovie GooliesWriter1972Sergeant Swell of the MountiesDirector1971Captain MomDirector1970Groovie GooliesTVWriter1969Blaze GloryThe Pug-Nosed Kid · Director1967Vicious CyclesLeader of the Vicious Cycles · Writer · Director · Producer1967Stop Look and ListenSunglasses · Director · Writer1965Boulder Wham!Story