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Voice of Optimus Prime, Peter Cullen, Dies at 85
2 Sep
Summary
- Peter Cullen, the voice of Optimus Prime, passed away on August 26.
- Cardiac arrest caused by lung issues was the reported cause of death.
- He also voiced beloved characters like Eeyore and Monterey Jack.

Peter Cullen, the iconic voice behind Optimus Prime, died on August 26 in Toluca Lake, California. He was 85 years old. TMZ reported that his death was caused by cardiac arrest, which followed respiratory arrest. The underlying condition was malignant neoplasm of the lower lobe of the lungs.
Cullen's distinctive voice first captivated audiences in the 1980s Transformers animated series as Optimus Prime, a role he reprised in the subsequent Michael Bay film franchise. His extensive career also included memorable performances as the Predator in the 1987 film, Eeyore in Winnie the Pooh, and Monterey Jack in Chip 'n Dale Rescue Rangers.
His family released a statement remembering his legacy, emphasizing compassion, integrity, and loyalty. Cullen's work significantly shaped the childhoods of many, and his unmistakable voice will be remembered across numerous franchises and by countless fans.