WATCH: Don Rickles’ Funniest Career Moments

Comedian Don Rickles passed away at the age of 90 on April 6. (Getty)

Comedian/actor Don Rickles died unexpectedly April 6 at the age of 90 on Thursday. His death was a result of a kidney failure, his publicist said in a statement. He left behind his wife of 52 years, Barbara, a daughter and grandchildren.

The insult-comedy legend also left behind a historic career in the entertainment industry. He acted in many movies throughout his 62-year professional career, was on many TV shows and had a had a highly-successful run as a stand-up comic.

Rickles got his start in Hollywood in 1955 as an announcer for a TV series called Stage 7 and found his big break. He acted on a number of TV shows until debuting on the movie screen in 1958 with Run Silent Run Deep.

He earned a Primetime Emmy Award in 2008 for “Outstanding Individual Performance in a Variety or Music Program” for HBO’s Mr. Warmth: The Don Rickles Project. His late son, Larry Rickles, was a producer for the series.

Most recently, Rickles’ voice was been featured in a the Toy Story movies as Mr. Potato Head. He also continued his stand-up career late into his life and delivered hilarious performances as a guest on late night talk shows.

Here are some of the funniest moments from Rickles’ career not on TV or film:

He Surprised Frank Sinatra on The Johnny Carson Show

Frank Sinatra is Surprised by Don Rickles on Johnny Carson's Show, Funniest MomentWatch this episode and many more every night on Antenna TV at 10:00PM ET / 7:00PM PT and 4:00PM ET / 1:00AM PT. Frank Sinatra is surprised when Don Rickles suddenly appears in one of the funniest moments on "The Tonight Show Starring Johnny Carson" in 1976. In this Frank Sinatra interview, Johnny asks Frank…2011-08-04T06:04:21.000Z

Rickles’ Final Appearance On Late Night with David Letterman Was 1 Of His Best

Don Rickles – Letterman – 2015.05.11Don Rickles's final Letterman appearance. Howard Stern sticks around from the previous segment. Included the full credits at the end for the hell of it.2015-08-09T06:26:28.000Z

Rickles Performed at Ronald Reagan’s Inauguration & Tore the House Down

Don Rickles Goes Nuts at Ronald Reagan's 2nd Inaugural – Jan., 1985!!!Ronald Reagan's 2nd Inaugural – Jan., 1985!!!2011-03-06T04:03:19.000Z

In 1986, Rickles Paid Tribute Hilariously to Clint Eastwood

VideoVideo related to watch: don rickles’ funniest career moments2017-04-06T16:07:58-04:00

‘The Master of Insults’ Was a Prominent Figure on Dean Martin’s Celebrity Roasts

VideoVideo related to watch: don rickles’ funniest career moments2017-04-06T16:07:58-04:00

Rickles Was Still Going Strong In 2016, Appearing On Jimmy Kimmel Live!

VideoVideo related to watch: don rickles’ funniest career moments2017-04-06T16:07:58-04:00

Bob Newhart Took Rickles’ Role & Gave a Hilarious Roast of the Late Comedian

Bob Newhart roasts Don Rickles 22014-01-13T15:26:12.000Z

Rickle’s Unique Sense of Humor Was Compiled Into a Video of His Best Stand-Up Moments

The Very Best of Don RicklesThis is a compilation of hilarious routines performed by one of the greatest comedic geniuses of all time, Don Rickles. He revolutionized the Insult Comedy genre, with irreverent jokes and great timing. All clips are from Spike TV's One Night Tribute to Don Rickles.2014-07-26T05:33:11.000Z