Mike Tyson claimed he once paid a fan $8 million for "breaking their f**king jaw" after a heated argument over an autograph.
'Iron Mike', the youngest heavyweight world champion in history, lost his head inside the ring on a number of occasions.
But he would also regularly let his temper get the better of him at the height of fame in everyday life.
Fans would flock for a chance to meet Tyson and he admitted it all ended up being too much.
Speaking on his Hotboxin' podcast, Tyson said per The Sun: "I was that guy, trippin', hitting people because they're f**king with me too much for autographs.
"I f***ing knocked them out or would break their f***ing jaw. I started signing those cheques and that's what broke my spirit.
"These guys were getting $4m [£3.1m], $8m [£6.2m], I don't even know these guys - who are these guys?"
At the weigh-in prior to Floyd Mayweather's win over Manny Pacquiao in 2015, Tyson elbowed a fan in the chest after he grabbed him and asked for a selfie.
Fans defending Tyson's antics and said he was in the right.
More recently, the Baddest Man on the Planet appeared to repeatedly lash out a fan who provoked him on a flight.
He was said to be travelling from San Francisco to Florida on Wednesday night and initially chatted with a pair of fans.
But after asking the passenger sat behind him to 'chill' when he became irritated, Tyson, as a TMZ video shows, saw red and hit the man a number of times - causing him to draw blood.
In a statement to TMZ, Tyson's representatives say he was "harrassed" and had a bottle of water thrown at him.
The man involved is believed to have required medical attention, while Tyson exited the plane shortly after the incident.
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Topics: Mike Tyson, Boxing, Heavyweight Boxing