You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who did the voice of optimus prime in transformers?" whose answer is Peter Claver Cullen.
Each document should contain about 30 words, and these documents should contain useful information.

Query: voice of Optimus Prime in transformers
Useful Output:

Doc 1: Peter Cullen Interview: Creating the Voice of Optimus Prime, Predator & More · Comments.
Doc 2: Peter Cullen: The Legendary Voice of Optimus Prime. Explore the incredible legacy of Peter Cullen as the voice of Optimus Prime, a character
Doc 3: Peter Cullen Movie Optimus Prime Voice Evolution - Transformers Movies Optimus Prime has featured in all 7 Transformers Live-Actions Movies.
Doc 4: Jake Tillman Foushee has exclusively done voice work for the character of Optimus Prime as of 2020. This includes multiple animated series and
Doc 5: How did Optimus Prime get such a great voice? Peter Cullen, the man behind the character explains at TFcon.