Peter Claver Cullen (born July 28, 1941) is a Canadian voice actor who voices Thaedus in Invincible.
He has earned fame, respect and admiration as the voice of Optimus Prime, leader of the Autobots in the Transformers franchise.
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, K.A.R.R. from Knight Rider, 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.