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Len Janson

1937 (88) • Writing

Born: 11/18/1937 (88) in Los Angeles, California, USA

Known for: Writing

Len Janson

Known For

The Smurfs

70%

Writer

1981

Tiny Toon Adventures

78%

Writer

1990

The Real Ghostbusters

77%

Writer

1986

The Love Boat

63%

Writer

1977

Sonic the Hedgehog

71%

Writer

1993

Sonic Underground

69%

Writer

1999

The Smurfs Christmas Special

64%

Teleplay

1982

Isis

65%

Writer

1975

Wacky and Packy

Writer

2004

Sonic Underground

69%

Writer

1999

Dumb and Dumber

58%

Writer

1995

P.J.'s Unfunnybunny Christmas

80%

Teleplay

1993

Sonic the Hedgehog

71%

Writer

1993

Tiny Toon Adventures

78%

Writer

1990

P.J. Funnybunny

90%

Writer

1989

Little Wizards

65%

Creator

1987

Solarman

77%

Original Story

1986

The Real Ghostbusters

77%

Writer

1986

Condor

57%

Writer

1986

Going Bananas

75%

Creator

1984

Going Bananas

75%

Screenplay

1984

Benji, Zax & the Alien Prince

63%

Editor

1983

Benji, Zax & the Alien Prince

63%

Writer

1983

The Biskitts

60%

Writer

1983

My Smurfy Valentine

73%

Writer

1983

The Smurfs Christmas Special

64%

Teleplay

1982

The Smurfs Springtime Special

67%

Teleplay

1982

The Flintstones: Wind-Up Wilma

69%

Writer

1981

The Smurfs

70%

Writer

1981

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

70%

Writer

1979

The New Fred and Barney Show

75%

Story

1979

The Love Boat

63%

Writer

1977

Isis

65%

Writer

1975

The Haunted Heist

Writer

1974

Daffy Duck and Porky Pig Meet the Groovie Goolies

63%

Writer

1972

Sergeant Swell of the Mounties

Director

1972