Peter Cullen, Transformers Voice Actor, Dies at 85
Peter Cullen died Wednesday at his home in Los Angeles. His agent confirmed the death; no cause was given.
- 85 years old at the time of his death, Cullen was born in Montreal in 1941.
- His credits numbered in the hundreds across animation, film, and video games.
- Other roles included Eeyore in Winnie the Pooh, KARR in Knight Rider, and Mario in the 1980s Donkey Kong animated series.
- Most recently, he played Thaedus in Prime Video's Invincible.
Why it matters: Cullen originated Optimus Prime's deep, authoritative voice in the original 1980s series and reprised it in the Michael Bay live-action films and subsequent video games.
- His brother Larry served as the inspiration for the Optimus Prime voice.
How 34 sources split on this story
Center coverage, 15 sources: The center focuses on the factual record of his career milestones and the family's statement, letting his breadth of credits speak for themselves.
Left coverage, 9 sources: The left frames Cullen as a generational creative force whose voice work defined the emotional core of beloved characters across decades of American animation.
Right coverage, 10 sources: The right highlights his most recognizable mainstream roles — Optimus Prime in the Michael Bay films and Eeyore — emphasizing his connection to popular franchise entertainment.
What’s next: His family released a statement asking fans to lead with compassion, integrity, and loyalty.
- The cause of Cullen's death has not been disclosed.
- No details about memorial services or plans for the Optimus Prime role going forward have been announced.


























