Dorian Harewood

Dorian Harewood is an American actor, who has had roles in Full Metal Jacket, 12 Angry Men, the 80s Teeage Mutant Ninja Turtles as Shredder (filling in for James Avery), and Modo in the both the 90s Biker Mars from Mars and the 2000s rival (both co-starring Rob Paulsen).

A Pup Named Scooby-Doo
Grouped under "Voices" for every episode for season 1.