Len Janson

Place of Birth:
 –
Known for:
Writing
Birthday:
 –

Casting Carrer

6.7
Stop Look and Listen
8
Vicious Cycles
10
Blaze Glory
N/R
Captain Mom

Crew Carrer

N/R
Sergeant Swell of the Mounties
6.7
Stop Look and Listen
N/R
Daffy Duck and Porky Pig Meet the Groovie Goolies
8
Vicious Cycles
7.3
My Smurfy Valentine
9
P.J. Funnybunny
N/R
P.J.'s Unfunnybunny Christmas
N/R
Wacky and Packy
10
Blaze Glory
6.4
The Smurfs Christmas Special
N/R
Captain Mom
6.5
Solarman
6.7
The Flintstones: Wind-Up Wilma
5.1
Condor
7
The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II
N/R
The Haunted Heist
6.5
The Smurfs Springtime Special
5.6
Boulder Wham!
7.0
Sonic the Hedgehog
6.8
Sonic Underground
5.2
Benji, Zax & the Alien Prince
5
Going Bananas
7.4
Groovie Goolies
7.8
The New Fred and Barney Show
5.7
Dumb and Dumber
6.2
Isis
7.7
Tiny Toon Adventures
7.7
The Real Ghostbusters
6.9
The Smurfs
5.5
The Biskitts
6.5
Little Wizards