Peter Cullen

Peter Claver Cullen (born July 28, 1941) is a Canadian voice actor. The most prominent characters he has voiced are Eeyore in the Winnie-the-Pooh franchise and Optimus Prime (as well as Ironhide) in the original 1980s Transformers animated series. More recently, he has reprised his role as Optimus Prime in all Transformers related media, starting with the first live-action film.