Peter Cullen
Peter Claver Cullen (born July 28, 1941) is a Canadian voice actor. He is best known as the original voice of Optimus Prime (as well as Ironhide) in the original 1980s Transformers animated series, and most other appearances, as well, and Eeyore in the Winnie-the-Pooh franchise. He also voiced Monterey Jack in Chip 'n Dale Rescue Rangers from seasons one to three, and is also known for his contribution to the voice of The Predator in Predator. Starting in 2007, Peter Cullen has reprised his role as Optimus Prime in related Transformers media, starting with the first live-action film.