The Palestinian flag-waving idiot who sprinted onto the field at Yankee Stadium during the 9/11 25th Anniversary game after posting an unhinged rant about the terrorist attack is a self-described “revisionist-Marxist,” according to his OnlyFans page.

Kelly Marcucci, of Long Island, is facing misdemeanor charges for interference with a professional sporting event and trespassing, according to the NYPD.

Marcucci, 38, allegedly jumped from the stands onto the baseball field, cops said.

He charged the field in the seventh inning of the Yankees-Mets Subway Series game in The Bronx on Friday at exactly 9:11 p.m. — before quickly getting tackled in centerfield by security, video showed.

Fans immediately broke out into chants of “USA!” when the man was brought down onto the grass.

Just hours before the stunt, around 4:30 p.m., Marcucci posted an unhinged, rambling rant on Facebook.

He went off on a nonsensical tirade about capitalism, Zionism, Saudi Arabia and 9/11, mentioning a string of high-profile people including President Trump and Joe Rogan.

Marcucci also posted a brief video of himself at the baseball game before he allegedly stormed the field, showing off his personalized “K. Marcucci” jersey from the stands. 

The front of the shirt reads “No Kings,” a widespread anti-Trump sentiment. 

Marcucci is a self-described journalist and “spiritual tactician” who graduated from Stony Brook University, according to his social media accounts.  

His Instagram is flooded with bonkers conspiracy theories, posts about sex offender Jeffrey Epstein and reposts from political commentators including Candace Owens. 

In one absurd post, Marcucci appeared to spiritually analyze Andrew Cuomo and Zohran Mamdani ahead of the 2025 mayoral election. 

“It’s not just about left vs right. It’s not just about two candidates. It’s about what kind of energy is being installed over New York City,” he wrote in his cryptic caption. 

His Instagram account also links to an inactive OnlyFans profile, where Marcucci claimed to have made the page as a joke to “see how cultural normatives have passed judgement” on sex workers. 

“Politically, I identify as a revisionist-Marxist, and the core values of this expression are very important to me,” the bio reads.

After he revealed his lefty stance, he added: “I’m passionate about social equality. Injustice anywhere is injustice everywhere.”

Marcucci and representatives for the Mets and Yankees did not immediately return requests for comment.

The Yankees went on to beat the Mets 6-4 during Friday night’s Subway Series matchup. 

Married couple Brielle Saracini and Sean McGuire, who both lost their fathers on 9/11, threw the ceremonial first pitches. 

The jersey-wearing pair met at a camp for children whose parents were killed in the attacks. 

Saracini shares a special bond with Yankees legend Derek Jeter, who was also at the game. After her father, Victor Saracini, a pilot of one of the hijacked flights, was killed, she wrote a letter to Jeter. 

Jeter invited the then-10-year-old to the stadium to meet the team and feel a sense of normalcy amid the devastation.

“When we invited her to the stadium, you really don’t know what to say,” Jeter said during a news conference.

“So I don’t even know if I said ‘I’m sorry’ or anything like that. I just tried to make her day feel special…and you just try to make her feel as comfortable as you possibly can.”