Don Rickles, king of insult comedy, dies at 90

In this Sept. 21, 2008 file photo, Don Rickles is honored for best individual performance in a variety or music program for "Mr. Warmth: The Don Rickles Project," at the 60th Primetime Emmy Awards in Los Angeles. (AP)

LOS ANGELES (AP) — Comedian Don Rickles has died at age 90.

Paul Shefrin, his longtime publicist and friend, said Rickles died Thursday of kidney failure at his Los Angeles home.

For more than half a century, “Mr. Warmth” headlined casinos and nightclubs from Las Vegas to Atlantic City. N.J., and appeared often on late-night TV talk shows.