Voice actor Peter Cullen has passed away at the age of 85. He was known for his roles as Optimus Prime in "Transformers" and Eeyore in "Winnie the Pooh". Cullen's agent, Kevin Motley, confirmed the news to ABC News.

Cullen died in his home, with his agent providing confirmation of the death. The news was announced on Thursday, with the death occurring on Wednesday.

Further details about Peter Cullen's passing are available from the source, as this is a developing story with updates expected to be provided.