Comedian and late-night host John Mulrooney, 67, died suddenly, leaving behind a legacy of humor and influence.

At the age of 67, renowned comedian and cherished late-night TV host John Mulrooney passed away. Although the cause of death is still unknown, reports indicate that he died unexpectedly. Over the course of a decades-long career, Mulrooney—who was well-known for his sharp wit and unique style—left a lasting impression on comedy and television. His generosity, professionalism, and impact on generations of comedians are highlighted in tributes from colleagues and admirers. Due to his important role in American pop culture, his passing has caused widespread mourning on social media and in the media.