Peter Cullen

“And that resonated with me, and I could hear his voice all the way to the audition. When he drops down, when he gets serious, is where I found Optimus Prime.”

Peter Cullen · said date not stated · reported 2026-08-27

Cullen described how his brother's voice and demeanour inspired his portrayal of Optimus Prime.

“He said, 'Don't go yelling and screaming. He's strong enough to be gentle.'”

Peter Cullen · said date not stated · reported 2026-08-27

Cullen recalled his brother's advice on how to voice the character of Optimus Prime.