Len Janson
An image from Sonic Underground, one of the productions that also features Len Janson.

Len Janson

Tiny Toon Adventures

Tiny Toon Adventures

1990

The Smurfs

The Smurfs

1981

The Real Ghostbusters

The Real Ghostbusters

1986

Sonic the Hedgehog

Sonic the Hedgehog

1993

Sonic Underground

Sonic Underground

1999

The Smurfs Christmas Special

The Smurfs Christmas Special

1982

My Smurfy Valentine

My Smurfy Valentine

1983

Isis

Isis

1975