Remembering Peter Cullen: The Voice Behind Optimus Prime Dies at 85

• by Shimanta Das
• August 28, 2026

Peter Cullen, the legendary voice actor best known for bringing Optimus Prime to life in the Transformers franchise, has passed away at the age of 85. The news of his death has sent ripples through the entertainment world, with fans and colleagues alike mourning the loss of a man whose voice defined a generation of animation and film. While the circumstances surrounding his death remain unclear, and Cullen had not publicly disclosed any illnesses, his legacy as one of the most iconic voice actors in history is undeniable.

Cullen’s career spanned over five decades, with his most celebrated role being that of Optimus Prime, the noble leader of the Autobots. He first voiced the character in the 1980s animated series and later reprised the role in Michael Bay’s 2007 blockbuster film, which grossed over $1 billion worldwide and remains among the top 50 highest-grossing films in cinema history. Cullen once said that his second favorite role after Optimus Prime was voicing the gloomy donkey Eeyore in Winnie the Pooh, a character he described as a hero to him. “He was my hero, and he certainly was the mainstay behind the character,” Cullen said, reflecting on the beloved donkey.

Beyond these iconic roles, Cullen’s voice was a staple of Saturday morning cartoons. He lent his talents to a vast array of shows, including The Smurfs, DuckTales, Chip ‘n Dale: Rescue Rangers, Ghostbusters, Voltron: Defender of the Universe, Alvin & the Chipmunks, Donkey Kong, Heathcliff & the Cadillac Cats, Dragon’s Lair, The Addams Family, Dungeons & Dragons, Gummi Bears, Rainbow Brite, Saber Rider and the Star Sheriffs, BraveStarr, The Savage Dragon,