Len Janson
Known for Writing
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Born November 18, 1937
Place of Birth Los Angeles, California, USA
Filmography
The Flintstones: Wind-Up Wilma
1981
Writer
The Smurfs Christmas Special
1982
Teleplay
My Smurfy Valentine
1983
Writer
Condor
1986
Writer
P.J. Funnybunny
1989
Writer
The Smurfs Springtime Special
1982
Teleplay
P.J.'s Unfunnybunny Christmas
1993
Teleplay
Daffy Duck and Porky Pig Meet the Groovie Goolies
1972
Writer
Solarman
1986
Original Story
The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II
1979
Writer
Vicious Cycles
1967
Writer
🎬
The Haunted Heist
1974
Writer
Boulder Wham!
1965
Story
Stop Look and Listen
1967
Writer
Wacky and Packy
2004
Writer