Len Janson
Guion·18 de noviembre de 1937 — 88 años·Los Angeles, California, USA
Conocido por
Los pitufos
1981·7.0
Las aventuras de los Tiny Toon
1990·7.8
Los Auténticos Cazafantasmas
1986·7.7
Vacaciones en el mar
1977·6.3
Sonic el Erizo
1993·7.1
Sonic Underground
1999·6.9
The Smurfs Christmas Special
1982·6.4
El secreto de 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
Filmografía · 32
2004Wacky and PackyWriter1999Sonic UndergroundTVWriter1995Dumb and DumberTVWriter1993P.J.'s Unfunnybunny ChristmasTeleplay1993Sonic el ErizoTVWriter1990Las aventuras de los Tiny ToonTVWriter1989P.J. FunnybunnyWriter1987Los pequeños magosTVCreator1986SolarmanOriginal Story1986Los Auténticos CazafantasmasTVWriter1986CondorWriter1984Going BananasTVScreenplay · Creator1983Benji, Zax & the Alien PrinceTVEditor · Writer1983Los BiskittsTVWriter1983My Smurfy ValentineWriter1982The Smurfs Christmas SpecialTeleplay1982The Smurfs Springtime SpecialTeleplay1981The Flintstones: Wind-Up WilmaWriter1981Los pitufosTVWriter1979The Hanna-Barbera Hall of Fame: Yabba Dabba Doo IIWriter1979The New Fred and Barney ShowTVStory1977Vacaciones en el marTVWriter1975El secreto de IsisTVWriter1974The Haunted HeistWriter1972Daffy Duck and Porky Pig Meet the Groovie GooliesWriter1972Sergeant Swell of the MountiesDirector1971Captain MomDirector1970Mis queridos monstruosTVWriter1969Blaze GloryThe Pug-Nosed Kid · Director1967Vicious CyclesLeader of the Vicious Cycles · Producer · Writer · Director1967Stop Look and ListenSunglasses · Director · Writer1965El Coyote y el Correcaminos: ¡Toma pedrusco!Story