Peter Cullen, the legendary Hollywood voice actor who voiced characters like the Transformers series' Optimus Prime and Eeyore in Disney's Winnie the Pooh, among others, has passed away. His death was revealed to the media by his agent on Wednesday. Cullen was 85.Legendary voice actor Peter Cullen has passed away at 85. (itspetercullen/ Instagram)Kevin Motely, his agent, told the media that Peter Cullen passed away peacefully, surrounded by his loving family — and held in the hearts of his many friends and countless fans worldwide.” No cause of death was announced.TMZ additionally reported that Cullen died early Wednesday at his Los Angeles home. "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," his agent added.What Happened To Peter Cullen?The circumstances around Peter Cullen's death remain unclear. Posts on social media have been touting that the 85-year-old was suffering from illnesses. However, there are no confirmed details about the same.Cullen's health, nonetheless, has been a concern among his fans. He had been quite active in the Transformers fans circuits as well as professionally till 2023. That year, he made an appearance at the National Academy of Television, Arts & Sciences to receive his Lifetime Achievement Award. But the first real signs of illness appeared starting 2024, reducing the number of public appearances Cullen made drastically.This story is being updated.