Don Rickles, the legendary comedian who helped make the art of the insult a full-fledged genre, died Thursday at the age of 90.
Still sharp in his later life, Rickles made appearances on relatively recent shows including The Bernie Mac Show and Hot in Cleveland.
Rickles’ cause of death was kidney failure, according to The Hollywood Reporter; he died in his Los Angeles home.
By the 1980s, Rickles was such a prominent figure that, at the behest of Sinatra, he pummeled Ronald Reagan with zingers at the president’s Inaugural Ball.