Peter Cullen (born July 28, 1941) is a Canadian-born American voice actor who has earned fame, respect and admiration as the voice of the original Optimus Prime.
In addition to Transformers, some of Cullen's other roles include Eeyore from Winnie the Pooh, Monterey Jack from Chip 'N Dale - Rescue Rangers, Venger from Dungeons & Dragons, Bankjob Beagle from DuckTales, Cindarr from Visionaries, Zandar & Airborne from G.I. Joe: A Real American Hero as well as Nemesis Enforcer from G.I. Joe: The Movie, K.A.R.R. from Knight Rider, the Narrator from Voltron, Felix Faust in The Super Powers Team: Galactic Guardians, The Hulk and the Red Skull in Spider-Man and his Amazing Friends, Murky Dismal from Rainbow Brite, Captain Slaughter from Pound Puppies, Zanzoar and Klaar from Megas XLR, the title villain from Predator, and was the announcer for a number of commercials for the U.S. Navy in 2007, filling in for Keith David.