John Mulrooney, a respected stand-up comedian, radio personality, and former police officer, passed away unexpectedly on December 29, 2025, at age 67 in Coxsackie, New York. Born in Brooklyn, he began his comedy career in the 1980s, performing at famous New York venues like Dangerfield’s. He later appeared on television programs such as The Late Show, briefly replacing Joan Rivers as host.
Mulrooney also worked in radio, co-hosting popular morning shows and connecting with listeners through humor and insight. In 2010, he became a police officer, serving for 14 years while continuing to perform comedy, especially at fundraisers for first responders.
Known for his warmth, loyalty, and commanding stage presence, Mulrooney left a lasting impact on comedy, radio, and his community.