How the voice of Transformers' Optimus Prime was inspired by a Marine

“There’s a calmness to Optimus Prime, and yet a gentility and strength and honor and dignity, that are synonymous with the Marines."
“There’s a calmness to Optimus Prime, and yet a gentility and strength and honor and dignity, that are synonymous with the Marines.

Voice actor Peter Cullen on the heroic origins of Optimus Prime

What are some wholesome Optimus Prime moments or facts? : r/transformers

Don't be one of those Hollywood pretenders”: Transformers Star Peter Cullen Reveals How His Marine Corps Brother Helped Him Become Optimus Prime Before Leaving Acting for Good - FandomWire

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Peter Cullen Interview: Creating the Voice of Optimus Prime, Predator & More

Peter Cullen explains how he created the voice for Optimus Prime

How the voice of Optimus Prime was inspired by a Marine

Do you see Optimus Prime as a badass? : r/transformers

Transformers Icon Peter Cullen Reflects on Playing Optimus Prime in New Rise of the Beasts Featurette - IMDb

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Peter Cullen & The Inspiration Behind Optimus Prime