★ 7 
Writing
Len Janson
Len Janson is best known for The Smurfs, Tiny Toon Adventures, The Real Ghostbusters and The Love Boat. Len Janson was born on November 18, 1937. Len Janson is 88 years old (born November 18, 1937).
- Born
- November 18, 1937 (88 years old)
- Place of birth
- Los Angeles, California, USA
Known for
Filmography
- 1999Sonic UndergroundWriter
- 1995Dumb and DumberWriter
- 1993Sonic the HedgehogWriter
- 1990Tiny Toon AdventuresWriter
- 1987Little WizardsCreator
- 1986The Real GhostbustersWriter
- 1984Going BananasScreenplay
- 1983Benji, Zax & the Alien PrinceEditor
- 1983The BiskittsWriter
- 1981The SmurfsWriter
- 1979The New Fred and Barney ShowStory
- 1977The Love BoatWriter
- 1975IsisWriter
- 1970Groovie GooliesWriter
Frequently asked questions
What movies and shows has Len Janson been in?
Len Janson is best known for The Smurfs, Tiny Toon Adventures, The Real Ghostbusters and The Love Boat.
When was Len Janson born?
Len Janson was born on November 18, 1937. (Los Angeles, California, USA)
How old is Len Janson?
Len Janson is 88 years old (born November 18, 1937).
Updated: October 31, 2026 ·