A bright star has fallen in the comedy world. John Mulrooney, the iconic stand-up comedian, actor, and late-night television’s guest host, has passed away, months after celebrating his 67th birthday. He was best known for hosting Fox’s Comic Strip Live and stepping in as a guest host on The Late Show.
What happened to John Mulrooney? He had performed weeks ago and appeared fine
John Mulrooney is reported to have died on December 29, 2025, at his home in Coxsackie, New York. He was surrounded by his family at the time of his passing at age 67. As of now, the official cause of his death remains undisclosed. The comedian had no known record of health struggles and remained active in his final days as well.
