Comedian Don Rickles brought down the house during an appearance on David Letterman's late night program in 1987.

Comedian Don Rickles made David Letterman laugh so hard during a 1983 appearance on his late night program that Letterman ...

Don Rickles was an event comic. Every time you saw him with Johnny or Frank or Dean, and later Leno and Letterman, it was an event. He was hilarious, he was explosive, and he had that extra ...

It seems wrong somehow to come to praise Don Rickles, who died Thursday at age 90, even as we are about to bury him. The fitting thing would be to cover him in in cutting one-liners — something ...

Legendary comedian Don Rickles died on Thursday at the age of 90, and many of those in Hollywood whom he inspired took to Twitter to honor his legacy. Although widely known as an “insult ...

Don Rickles died Thursday at the age of 90. Born in New York on May 8, 1926, the comedian rose to fame in the 1950s, appearing on talk shows and picking up small-screen acting work. Pictured here ...

Don Rickles, the big-mouthed, bald-headed "Mr. Warmth" whose verbal assaults endeared him to audiences and peers and made him the acknowledged grandmaster of insult comedy, died Thursday. He was 90.

Abrasive comic Don Rickles, the honorary Rat Pack member and celebrity roast guest whose career spanned six decades, has died. He was 90.

Legendary insult comic Don Rickles has died at age 90, as a result of kidney failure, his rep says.

Don Rickles was Mr. Warmth to a generation of comics as the master of the put-down. Toy Story 4 is due in 2019, but Rickles hadn’t recorded for it before his death because the script was still ...

Don Rickles, a comedian and actor known for his abrasive humor, has died Thursday as a result of kidney failure, his representative confirmed to ABC News.

Legendary funnyman Don Rickles, who turned 90 on May 8, is still performing and touring. The last of the old-time stand-ups is revered by a younger generation of comedians. (Melissa Vallardes/For ...