John Mulrooney, a beloved comedian, radio personality, and television veteran, has died suddenly at the age of 67. Known for his fearless humor and magnetic presence, his passing came as a shock to friends, fans, and colleagues who describe him as someone who could light up any room the moment he walked in.

Raised in Brooklyn, Mulrooney emerged from the intense New York comedy scene of the early 1980s, performing at legendary clubs before becoming a familiar face on television. His career spanned stand-up, late-night TV, sitcoms, and game shows, including a notable stint filling in as host of The Late Show in 1987 after Joan Rivers’ departure.

Later in life, he reinvented himself in radio, becoming a staple on East Coast airwaves, while never leaving the stage behind. Remarkably, from 2010 to 2024, he also served as a police officer, blending public service with comedy and frequently performing at charity events for first responders.

Beyond credits and accolades, Mulrooney was remembered most for his loyalty and generosity. Friends recall not just the laughter he created, but the way he showed up for others. His legacy lives on in comedy clubs, radio studios, and the countless lives made brighter by his presence.