Len Janson

November 18, 1937 (88 years old)

Los Angeles, California, USA

Known for Writing

No biography available.

Discover More Writing Works

Wacky and Packy

Wacky and Packy

Writer

2004

Sonic Underground

Sonic Underground

Writer

1999

6.8

Dumb and Dumber

Dumb and Dumber

Writer

1995

5.7

P.J.'s Unfunnybunny Christmas

P.J.'s Unfunnybunny Christmas

Teleplay

1993

Sonic the Hedgehog

Sonic the Hedgehog

Writer

1993

7.0

Tiny Toon Adventures

Tiny Toon Adventures

Writer

1990

7.8

P.J. Funnybunny

P.J. Funnybunny

Writer

1989

9.0

Little Wizards

Creator

1987

6.5

The Real Ghostbusters

The Real Ghostbusters

Writer

1986

7.7

Condor

Writer

1986

5.1

Going Bananas

Screenplay

1984

5.0

The Biskitts

Writer

1983

5.7

Benji, Zax & the Alien Prince

Benji, Zax & the Alien Prince

Writer

1983

5.7

My Smurfy Valentine

My Smurfy Valentine

Writer

1983

7.3

The Smurfs Christmas Special

The Smurfs Christmas Special

Teleplay

1982

6.4

The Smurfs Springtime Special

The Smurfs Springtime Special

Teleplay

1982

6.5

The Flintstones: Wind-Up Wilma

The Flintstones: Wind-Up Wilma

Writer

1981

6.8

The Smurfs

Writer

1981

7.0

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

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

Writer

1979

7.0

The New Fred and Barney Show

The New Fred and Barney Show

Story

1979

7.8

The Love Boat

Writer

1977

6.3

Isis

Writer

1975

6.3

No Image

The Haunted Heist

Writer

1974

Daffy Duck and Porky Pig Meet the Groovie Goolies

Daffy Duck and Porky Pig Meet the Groovie Goolies

Writer

1972

Groovie Goolies

Groovie Goolies

Writer

1970

7.4

Vicious Cycles

Writer

1967

8.0

Stop Look and Listen

Stop Look and Listen

Writer

1967

6.8

Boulder Wham!

Story

1965

6.0