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Optimus Prime Voice Actor Peter Cullen's Cause of Death Revealed
2 Sep
Summary
- Voice actor Peter Cullen passed away on August 26 at age 85.
- His death was attributed to cardiac arrest, with other significant contributing conditions.
- Cullen was famous for voicing Optimus Prime and Eeyore.

The cause of death for acclaimed voice actor Peter Cullen has been determined. Cullen, celebrated for his iconic portrayals of Optimus Prime and Eeyore, died on August 26 at his home in Los Angeles. He was 85 years old.
A death certificate obtained confirmed that Cullen's passing was due to cardiac arrest. The document further listed respiratory arrest as an underlying cause, alongside other significant conditions such as cerebellar metastasis, hypoxia, chronic obstructive pulmonary disease, hypertension, and hyperlipidemia.
Cullen's family shared a statement noting his peaceful passing surrounded by loved ones and fans. They encouraged honoring his legacy through compassion and integrity, urging others to remember to 'be strong enough to be gentle.'
His career spanned decades, beginning with Optimus Prime in the 1984 animated series The Transformers. He reprised the role in numerous projects, including the 2007 live-action film and the 2023 release Transformers: Rise of the Beasts. Cullen also lent his voice to Eeyore starting in 1988.