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L

Len Janson

Best known for writing The Smurfs

Showing credits as

13 films12 shows

Benji, Zax & the Alien Prince

Writer · 1983

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Story · 1965

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Writer · 1986

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Daffy Duck and Porky Pig Meet the Groovie Goolies

Writer · 1972

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Dumb and Dumber

Writer · 1995

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Screenplay · 1984

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Writer · 1975

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My Smurfy Valentine

Writer · 1983

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P.J.'s Unfunnybunny Christmas

Teleplay · 1993

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Original Story · 1986

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Sonic the Hedgehog

Writer · 1993

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Sonic Underground

Writer · 1999

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Stop Look and Listen

Writer · 1967

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Writer · 1983

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The Flintstones: Wind-Up Wilma

Writer · 1981

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The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II

Writer · 1979

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The Haunted Heist

Writer · 1974

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Writer · 1977

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The New Fred and Barney Show

Story · 1979

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The Real Ghostbusters

Writer · 1986

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Writer · 1981

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The Smurfs Christmas Special

Teleplay · 1982

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The Smurfs Springtime Special

Teleplay · 1982

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Tiny Toon Adventures

Writer · 1990

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Writer · 1967

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