Peter Cullen, a voice actor best known for bringing to life Optimus Prime in the “Transformers” franchise and the gloomy donkey Eeyore in “Winnie the Pooh” cartoons, died on Wednesday at his home in L...

Transformers voice actor Peter Cullen has died at the age of 85.

As for his Transformers run, Cullen voiced the character almost exclusively for the entire existence of the Autobot, starting in the original animated series in 1984.