Peter Cullen, Legendary Voice of Optimus Prime, Dies at 85

Peter Cullen, the legendary voice actor best known for bringing Optimus Prime to life in the Transformers franchise, has died at the age of 85.

Cullen’s unmistakable voice became iconic to generations of fans after he debuted as the heroic Autobot leader in the original Transformers animated series. Over the next four decades, he returned to the role countless times across television, movies, video games and other Transformers projects.

Cullen was also beloved by Disney fans as the voice of the gloomy but lovable Eeyore in numerous Winnie the Pooh productions.

His agent, Kevin Motley, confirmed to The Hollywood Reporter that Cullen died Wednesday at his home in Los Angeles. According to Motley, Cullen passed away peacefully surrounded by his family and remained “held in the hearts” of friends and fans around the world.

Cullen’s family encouraged fans to honor his legacy through compassion, integrity and service to others, while remembering one of the philosophies closely associated with him: “Be strong enough to be gentle.”

Born in Montreal in 1941, Cullen built an extraordinary career in voice acting and television. Among his earlier roles, he voiced King Kong in the 1976 remake and the villainous artificial intelligence K.A.R.R. on Knight Rider. He later returned to the K.A.R.R. role in 2009.

Cullen was also responsible for creating the distinctive clicking sounds of the alien creature in the 1987 film Predator. Before becoming one of animation’s most recognizable voices, he worked as an announcer on programs including The Smothers Brothers Comedy Hour and The Sonny & Cher Comedy Hour.

But Optimus Prime would become Cullen’s defining role.

Rather than portraying the Autobot leader simply as a powerful warrior, Cullen gave Optimus a sense of warmth, dignity and compassion. The character became known as much for his leadership and empathy as for his strength.

Optimus Prime’s death in the 1986 animated film The Transformers: The Movie became an unforgettable — and heartbreaking — moment for a generation of young fans. The reaction was so intense that Optimus was eventually brought back, with Cullen once again providing his voice.

Decades later, Cullen returned as Optimus Prime for Michael Bay’s live-action Transformers films, introducing his famous performance to an entirely new generation.

His work as Optimus also earned him a Daytime Emmy Award for his performance in the animated series Transformers: Prime, which aired from 2010 to 2013. Cullen also voiced fellow Autobot Ironhide in the franchise.

Outside of Transformers, Cullen became closely associated with Eeyore, beginning with Disney’s The New Adventures of Winnie the Pooh in 1988. He continued voicing the character in several additional Disney productions.

His extensive credits also included Monterey Jack in Chip ’n Dale: Rescue Rangers, King Alfor and Coran in Voltron, Commander James Hawkins in Vehicle Voltron, and Mario in the Saturday Supercade cartoons.

Through Optimus Prime, Cullen created one of the most enduring voices in pop culture — a leader whose message was built not simply around strength, but around courage, loyalty and compassion.

Peter Cullen is survived by his children Angus, Claire, Pilar and Clay.

For millions of Transformers fans, however, that extraordinary voice will live on.

“Be strong enough to be gentle.”