Peter Cullen

Peter Cullen is an American voice actor, best known for voicing Optimus Prime on many Transformers shows.

The 13 Ghosts of Scooby-Doo

 * Maldor the Malevolent (Scoobra Kadoobra)
 * Demondo (Scooby In Kwackyland)
 * Zimbulu (Horror-Scope Scoob)