Peter Cullen, the legendary Canadian voice actor whose deep, unmistakable voice became synonymous with Optimus Prime and Eeyore, has died at the age of 85. Cullen passed away peacefully on Wednesday, August 26, 2026, at his Los Angeles home, surrounded by his loving family.
His agent, Kevin Motley, confirmed his death to multiple outlets. No official cause of death has been released by Cullen’s family or representatives, and specific medical details remain undisclosed.
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Peter Cullen’s Optimus Prime and Eeyore Legacy Is About More Than Two Iconic Voices
Cullen’s family has asked fans to remember the man behind the voices as much as the characters themselves. In a statement following his death, they highlighted the values that shaped his life and career.
“Peter Cullen passed away peacefully, surrounded by his loving family – and held in the hearts of his many friends and countless fans worldwide. His family asks that you honor his remarkable legacy by serving your communities and leading others with compassion, integrity, and loyalty and always remember ‘be strong enough to be gentle.’”
That final message carries particular weight because “be strong enough to be gentle” was deeply personal to Cullen.
The actor had long credited his older brother Larry, a decorated U.S. Marine who served in Vietnam, as an important inspiration for Optimus Prime. After Larry returned from military service, Cullen drew from his brother’s quiet strength and demeanor when developing the character’s voice.
That influence helped shape the authoritative but compassionate baritone that would eventually become one of the most recognizable voices in popular culture.
Cullen was born Peter Claver Cullen on July 28, 1941, in Montreal to American parents. He became part of the first graduating class of the National Theatre School of Canada in 1963 and began building a career across radio and television.
His early work included announcing at Montreal’s CKGM, followed by work on The Smothers Brothers Comedy Hour and appearances on The Sonny & Cher Comedy Hour.
But the voice actor’s career would eventually stretch across more than five decades and far beyond the characters most audiences associate with him.
Among his unusual credits was the uncredited voice of King Kong in the 1976 film remake. He also created the distinctive vocalizations and clicking sounds for the alien hunter in the 1987 film Predator.
His television and animation work included K.A.R.R. in Knight Rider, Monterey Jack in Chip ‘n Dale Rescue Rangers and Mario in the Donkey Kong animated segments of Saturday Supercade.
Then came the role that would define an entire generation.
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Cullen first voiced Optimus Prime in the 1984–1987 syndicated animated series The Transformers, while also voicing other Autobots, including Ironhide. He continued as Optimus Prime in The Transformers: The Movie in 1986.
The character eventually moved with him into the modern Transformers era. Cullen returned as Optimus Prime in Michael Bay’s live-action Transformers film series beginning with Transformers in 2007 and continued playing the character through Transformers: Rise of the Beasts in 2023, along with related animated series, video games and attractions.
His version of Optimus Prime stood out because it was never simply about sounding powerful. Cullen gave the Autobot leader authority while retaining warmth, compassion and humanity — qualities influenced in part by his brother Larry.
But Optimus Prime was only half of Cullen’s most famous legacy.
He began voicing Eeyore in The New Adventures of Winnie the Pooh, which ran from 1988 to 1991, and remained the character’s primary voice across Disney projects for decades. His Eeyore appearances included The Tigger Movie in 2000 and Pooh’s Heffalump Movie in 2005, among many others.
The contrast was remarkable: one voice actor gave audiences both the courageous, commanding Optimus Prime and the quietly melancholy Eeyore. Cullen’s other work included Mario in the original Donkey Kong animated series of the 1980s, alongside his distinctive contribution to Predator.
His contribution to voice acting was also formally recognized. Cullen received a Daytime Emmy nomination for Transformers: Prime and multiple Behind the Voice Actors Awards. In 2019, he received a Lifetime Achievement Award from the Voice Arts Awards.
In 2023, he received another Lifetime Achievement Award at the Children’s and Family Emmy Awards.
Following news of his death, fans quickly shared their grief online.
One person wrote on Instagram:
“You have no idea how much this hurts my heart. RIP Sir Peter Cullen.”
Another fan wrote:
“Oh no… a fourth death in less than 10 days?!?! RIP. Goodbye Optimus!”
Someone else followed with:
“this would be the 5th death!”
Cullen is survived by his four children, Angus, Claire, Pilar and Clay, the latter of whom works as a stunt performer and coordinator, as well as his grandchildren.
At the time of reporting, no official cause of death had been announced. Claims or speculation circulating on social media about the circumstances of his death have not been independently verified by official sources.
Cullen’s legacy, however, needs little explanation. For generations of Transformers fans, his voice helped define Optimus Prime. For countless Winnie the Pooh viewers, his Eeyore became an unforgettable voice of quiet sadness and gentle humor.
He leaves behind more than five decades of work — and voices that will continue to live on.
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Disclaimer and Sources
This article is based on information and reporting provided by Associated Press, The Hollywood Reporter, People, Variety, CBC News, Parade, Animation Magazine and TMZ. The official cause of Peter Cullen’s death had not been publicly disclosed at the time of writing. Any unverified claims or speculation regarding the circumstances of his death should not be treated as established fact. Details may be updated if Cullen’s family, representatives or other authoritative sources release additional information.
Sources
- Associated Press
- The Hollywood Reporter
- People
- Variety
- CBC News / Canadian Press coverage
- Parade
- Animation Magazine
- TMZ (first to report the family statement in several secondary accounts)
Featured Image Credit: Ryan Crierie / Flickr
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