No one could have predicted when Dennis Rodman was setting records as a basketball player and earning the nickname “The Worm” that he would one day have something to do with discussions between America and North Korea.

The man has always been an unpredictable and headline-catching character.

But his mutual friendships with Donald Trump and Kim Jong-un have pushed him to new heights of absurd fame.

In light of all this, here’s a look at five things you need to know about the former basketball star — who has turned himself into an unofficial diplomat.

1.) He’s a record-holding NBA star. Rodman’s cross-dressing, hair dying, and blowup antics often distract from what is most important about his professional life: He’s one of the greatest basketball players to ever play in the NBA.

During his career, Rodman played for five different NBA teams and helped earn five NBA national championships. He also earned the NBA All-Defensive First Team honors seven times and won Defensive Player of the Year five times. No small accomplishments, those.

Rodman is in the Naismith Memorial Basketball Hall of Fame, and one of his former teams, the Detroit Pistons, retired his No. 10 jersey.

Rodman was a small forward and a power forward and to this day is known as one of the best rebounders in NBA history.

His personal antics have unfortunately overshadowed many of his athletic accomplishments, but his record proves he belongs with the best of the best, including Michael Jordan and LeBron James.

Related: Dennis Rodman: ‘I Knew Things Were Going to Change. I Knew It. Was the Only One.’

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2.) He’s a pretty good wrestler, too. As if basketball weren’t enough, Rodman is also an accomplished professional wrestler.

He previously competed in the New World Order, a professional wrestling stable that included people like Hulk Hogan, Scott Hall and Kevin Nash.

Rodman fought with Hogan a handful of times, and their relationship stemmed from the basketball star’s accomplishment of winning Hogan’s “Celebrity Championship Wrestling” reality television competition.

3.) He gave Hollywood a try. Turning a successful athletic career into a successful movie career is easier said than done. Many have tried — and may have failed. Rodman is a prime example of one of the failures.

Toward the end of his basketball career — he officially retired in 2000 — Rodman tried moving into the movie business, but he didn’t quite “gel” with the big screen.

There was 1997’s “Double Team,” a ludicrous action adventure movie in which Rodman belted out a bunch of basketball puns while standing next to Jean-Claude Van-Damme.

Then there was 1999’s “Simon Sez,” which gave Rodman a lead role, but it’s maybe one of the worst action movies of the ’90s.

Both films flopped and earned Rodman a fair amount of critical hatred. He basically disappeared from the big screen after that.

Even so, Rodman was incredibly entertaining in both films. They’re prime examples of products built around star power rather than a solid story. That misallocation of talent, though, creates its own kind of goofy entertainment.

Related: Can the Unlikely Dennis Rodman Actually Help Trump and Kim Jung-un Get Along?

4.) He and Kim have been friends for a while now. Rodman’s relationship to Kim Jong-un goes back to 2013.

Rodman originally flew to North Korea with Vice Media to host basketball exhibitions. While there, he met with the dictator — long an American basketball fan — and struck up what is no doubt a unique friendship but one of the oddest ones in the world.

During a report for Vice, Rodman called Kim a “friend for life.”

Rodman visited North Korea multiple times after that and defended Kim to media outlets.

Related: 10 Things You Don’t Know About Kim Jung-un — and Should

He said his ultimate goal, though, was to help negotiate peace between America and North Korea. “My mission is to break the ice between hostile countries. Why it’s been left to me to smooth things over, I don’t know — Dennis Rodman, of all people. Keeping us safe is really not my job; it’s the black guy’s [then-President Obama’s] job. But I’ll tell you this: If I don’t finish in the top three for the next Nobel Peace Prize, something’s seriously wrong,” he told Sports Illustrated back in 2013.

Rodman reportedly gave Kim a copy of Donald Trump’s “The Art of the Deal” during one of his visits.

5.) He competed twice on ‘Celebrity Apprentice.’ Rodman and President Trump have known each other for quite some time.

The basketball legend is the rare person to hear Trump’s famous catchphrase — “You’re fired!” — said to his face not once, but twice.

Rodman competed on two seasons of the show — once in 2009 and again in 2013. Though Rodman was fired for misspelling Melania Trump’s name the second time around, Donald Trump was always very complimentary toward Rodman during the show, and the basketball star was one of the first to endorse Trump for president.

PopZette editor Zachary Leeman can be reached at [email protected]. Follow him on Twitter.