Don Rickles, who passed away Thursday at age 90, was legendary for his onstage insults — even though he was a nice guy in real life. We’ve collected a few of his best insults here:

At a tribute to Clint Eastwood: “Clint, I’m sorry, but I just gotta say what’s on everybody’s mind here tonight: You’re a terrible actor.” (The Post)

On Robert De Niro, while shooting “Casino”: “They warned me what a serious guy De Niro is. … They warned me not to make jokes. So the third day of shooting, I looked him straight in the face and told him: ‘I can’t work with you. You can’t act.’ The guy fell on the floor. He didn’t stop laughing for 18 weeks. Scorsese fell on the floor, too, but he’s so small we couldn’t find him.” (New York Daily News, as reported in the Post)

On Martin Scorcese, who directed him in “Casino”: “Marty … somebody get a phone book so you can see me. Forty million jobs in show business, I got a midget to direct me.” (YouTube clip)

While roasting Bob Hope on “The Dean Martin Celebrity Roast”: “We kid about great stars such as you, Bob, why? Because you’re old and washed up.” (YouTube clip)

To Frank Sinatra, while performing at a club in 1957: “Make yourself at home, Frank. Hit somebody.” (As noted by The Hollywood Reporter)

To Johnny Carson, during his first appearance on “The Tonight Show” in 1965: “Hi, dum dum. … Where does it say you butt in, dummy? I’m fed up with you already, you know that?”

He continued: “That’s it, laugh it up. You’re making $50 million a year and your poor parents are back in Nebraska eating locusts for dinner.” (As reported by the Los Angeles Times)

To Mr. T on “The Merv Griffin Show”: “I gotta tell you, with all the nonsense and all the jokes, I want to tell you from the bottom of my heart: Merv Griffin told me he never liked you.” (YouTube clip)

To Larry King on “Larry King Live” in 1985: “Well, I just wanted to say to you, Larry, as a favor, please don’t call me anymore. I think this was an absolute waste. This will not change my life one bit. I personally feel your show is not going to make it much longer, really. You’re an annoying guy sitting there in your little funny little sweater every night, leaning over, pressing, you’re like a beaver, you’re trying to snarl and get information. Larry, go back to Miami and do what you do best — suck up a swamp. Don’t bother people, Larry.” (YouTube clip)

To Ronald Reagan at his second inauguration: “Remember when you were governor and you used to walk over to my table? Now you’re big, and you’re getting on my nerves?” (YouTube clip)

To Questlove while appearing on “The Tonight Show With Jimmy Fallon” in 2015: “I spoke to the barber convention, and they need you badly. But you’re a hell of a musician, good luck to you.” Then, to Fallon: “He’s not that good.” (YouTube clip)

To Fallon during the same “Tonight Show” appearance: “I’m delighted that you have a show because you’re fresh, you’re funny, you’re great. And I want you to know something, from my heart: I never liked you.” (YouTube clip)

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