Legendary Comedian Don Rickles Passes Away At 90

Don Rickles, the man known as the insult of comedy, passed away Thursday at the age of 90.

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

For more than 50 years the comedic legend "Mr. Warmth" headlined casinos and nightclubs from Las Vegas to Atlantic City.

He also was well-known for his appearances on late night TV talk shows.