John Mulrooney, a stand-up comedian and television host known for his work on Fox and other major networks, died suddenly at his home in Coxsackie, New York. He was 67 years old.
Mulrooney died on Monday, December 29, 2025. No cause of death was immediately available.
Born on August 27, 1958, in Brooklyn, Mulrooney launched his comedy career in the 1980s, performing at some of New York’s most iconic venues. He appeared at the Improv, the Laugh Factory and Dangerfields, building a reputation for his dynamic stage presence and improvisational skills.
His television career included hosting Comic Strip Live on Fox and replacing Joan Rivers on The Late Show in 1987. Mulrooney also guest hosted The Pat Sajak Show on CBS, showcasing his versatility as a performer and host.
Throughout his career, Mulrooney made appearances on HBO and Showtime, cementing his status as a respected figure in the comedy world. His performances resonated with audiences nationwide, earning him recognition among peers and fans alike.
Fellow comedian Andrew Dice Clay, who worked with Mulrooney early in their careers, paid tribute on social media. “He never gave up, he never stopped trying, which is what it’s all about in my book,” Clay wrote. “Not everybody climbs to the top, and not everybody becomes a superstar. John was a great, great comedian.”
Adam Sandler recalled Mulrooney’s commanding stage presence during a 2024 interview. “I remember Mulrooney would just destroy a room,” Sandler said. “He was so loose and would dominate the room, and then they’d bring you up, and you’re like, ‘Oh, goodness gracious.'”
Beyond the comedy stage, Mulrooney built a successful career in radio. He hosted shows in New York City, Cleveland and Albany, New York, connecting with listeners across multiple markets. He also hosted programs on iHeartRadio, including Mulrooney in the Morning.
In 2010, at age 52, Mulrooney embarked on an unexpected career path when he was hired as a police officer with the Coxsackie Police Department. He served for 14 years, working until 2024. His dual career as both entertainer and law enforcement officer made him a unique figure in both communities.
Mulrooney’s commitment to service extended to his support of the military. He performed for US troops overseas on multiple occasions, bringing entertainment to service members stationed far from home. According to his family, these performances were among his proudest moments, allowing him to give back to those serving the country.
His entertainment career also included acting work. He appeared in the 1989 film Great Balls of Fire, adding another dimension to his professional accomplishments.
Outside of his professional pursuits, Mulrooney was a recreational pilot, indulging his passion for aviation during his free time.
Steve Van Zandt, who knew Mulrooney through their work in the entertainment industry, expressed shock at the news of his death. Van Zandt told local media that he had spoken with Mulrooney less than two weeks before his passing, when Mulrooney discussed his Christmas plans and expressed optimism about his schedule for 2026.
Mulrooney’s career began in earnest at Pips nightclub in Sheepshead Bay, Brooklyn, where he honed his craft alongside other emerging comedians. The venue served as a launching pad for numerous performers who would go on to achieve national recognition.
His television hosting work in 1987 came during a transitional period for late-night programming. The replacement of established hosts created opportunities for comedians like Mulrooney to demonstrate their abilities in front of national audiences.
The comedian’s radio work spanned decades and multiple formats, reflecting his adaptability as a broadcaster. His shows attracted loyal followings in each market where he worked, demonstrating his ability to connect with diverse audiences.
Mulrooney’s decision to join law enforcement at 52 represented an unusual career transition. His service with the Coxsackie Police Department from 2010 to 2024 allowed him to contribute to public safety while maintaining connections to the entertainment world.
His family described him as a loyal friend who touched countless lives through both his comedy and personal relationships. They noted that his voice, stories and spirit would continue to resonate with those who knew him.
Throughout his career, Mulrooney maintained a presence in the New York comedy scene that began in the 1980s. His longevity in the industry reflected both his talent and his dedication to the craft of comedy.
The comedian’s performances for first responders became a significant part of his later career, combining his entertainment background with his experience in law enforcement. He appeared at fundraisers for police and fire departments across the country, supporting the communities he served.
Mulrooney’s work on Fox’s Comic Strip Live brought stand-up comedy to television audiences during an era when the format was gaining popularity on network television. The show provided a platform for comedians to reach viewers beyond traditional club audiences.
His contributions to entertainment spanned multiple decades and mediums, from stand-up stages to television studios to radio booths. Mulrooney’s career demonstrated the diverse paths available to performers willing to adapt and evolve with changing industry landscapes.
