who does the voice of 'Optimus Prime' from the 'Transformers' movies and does he narrate documentory's on the History Channel?

Peter Cullen did the voice of Optimus Prime in all the Transformers movies and original TV series. He hasn't narrated a documentary on the History Channel yet.
Answered by kgb agent Malcolm M on Tuesday, January 31 2012 at 03:06PM EST