'Iron' Mike Tyson is undoubtedly one of the greatest heavyweight boxers of all time.

Despite his relatively short stature for a heavyweight, Tyson stalked his opponents in the ring and, more often than not, finished his fights with eye-catching, brutal knockouts.

At the age of just 20 years and four months old, Tyson became the youngest heavyweight champion of the world in history, a record that still stands to this day.

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The man who once famously said "everybody has a plan until they get punched in the mouth" didn't have things all his own way, though, and retired after his final fight in 2005, a sixth round TKO at the hands of Kevin McBride.

But despite the intervening 15 years since 'Iron' Mike retired, a recent viral video shows that he still has much of the lightning speed and incredible body movements that became trademarks of his career.

Check out the incredible video of Mike Tyson displaying his lightning quick moves aged 53 right here:

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And people were quick to point out that he wasn't exactly dressed for boxing either, making his movement all the more impressive.

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These days, Mike Tyson is involved in the Cannabis industry, through Tyson Ranch. The company's website states;

"Tyson Ranch is a cannabis company founded by Mike Tyson. Consistency and quality are at the core of our company with the mission to make cannabis universally understood and accessible."

Tyson previously told Cannabis Tech Today;

"I thought about how much good I could do by helping people with cannabis. It was a no-brainer.

"I've been fighting for over 20 years, and my body has a lot of wear and tear. I had two surgeries and I used marijuana to calm my nerves, and it would take the pain away... But before, they had me on those opiates, and those opiates had me all screwed up."

It's clear that, while he still has the incredible boxing ability that made his name, Mike Tyson is more than busy enough with his new business exploits.

Mike Tyson shows he's still got it at 53 with lightning quick boxing moves