- Adult actor Seth Peterson has died at age 28, with the news announced on his social media by his fiancé, Kobe Marsh, on March 21. Marsh also launched a GoFundMe page in memory of his late partner, whose real name is Adam Aguirre.
- No cause of death has been announced. Peterson was found at his home in Los Angeles, and his passing was confirmed by his fiancé Kobe Marsh, who performs in adult films under the name Cyrus Stark.
- Peterson entered the adult film industry in early 2020, beginning his career as an exclusive model for Helix Studios, before expanding his work in 2024 to include performances for other major studios such as Falcon, NakedSword, Men.com, and ASGmax.
The entertainment world is waking up to devastating news this Monday morning. Adult film performer Seth Peterson has reportedly died aged 28 after being found at his home in Los Angeles. No cause of death has been released. No official explanation. Just a single heartbreaking message posted to his social media account by the person who loved him most, and an entire community left completely stunned by the Seth Peterson death news.
A Message That Stopped Everyone in Their Tracks
The announcement came via a social media statement released over the weekend by his fiancé, Cyrus Stark. The message, posted to Peterson’s X account, read: “It is with a heavy heart that I share the passing of my fiancé and best friend Seth. I’m truly at a loss for words, and my heart is broken.”
That is the kind of message nobody ever wants to write. And nobody ever wants to read. Alongside the announcement, Marsh launched a GoFundMe page in memory of Peterson. The fundraiser’s description states simply that Seth was found in their home, that he was deeply loved, and that he will be profoundly missed. As of Monday, the campaign had already begun receiving an outpouring of support from fans and followers around the world.
A Career That Was Still Rising
Peterson, who was nominated for multiple industry awards during his relatively short-lived career, rose to prominence in the early 2020s through his collaborations with Helix, before eventually branching out to other platforms. He was not someone who had peaked and faded. He was someone who was still very clearly on the way up.
Peterson’s final post on Instagram, which he shared on October 5, 2025, featured several pictures of himself and Marsh at Burning Man. “Had the best birthday with you,” Peterson captioned the carousel of photos from the festival. Looking back at that post now, it hits differently. A young man, happy, in love, celebrating his birthday with his partner. Nobody could have seen this coming.
An Outpouring of Love From a Community in Shock
With over 365,000 followers on X, fans and viewers sent their condolences to Stark and Peterson’s family. One wrote: “Sending our deepest condolences and love to you and the family and friends.” Another posted: “I am in complete shock and am profoundly heartbroken. I adored Seth.”
In a message echoed by many, one user wrote: “He was the best actor in the porn world and even a great person out of that. RIP Seth, you will be missed.”
Seth Peterson joins a growing list of young stars of adult films who have passed away at a young age. He was 28 years old. The cause of death remains unknown. And the people who knew him are still trying to find the words.
