Don Rickles Roasts Frank Sinatra in this classic clip that includes Dean Martin, George Burns, Ronald Reagan, and other Hollywood celebrities. Don Rickles was known as “Mr. Warmth” and nobody was immune to being insulted by him. He was a comedian loved dearly by many and gave us all a lot of laughs over the years. If you enjoyed this video you might also like to watch Don Rickles Roasts Ronald Reagan.