Would you recognise Jordan Belfort - aka the IRL Wolf of Wall Street?
One guy asked the former stockbroker what he did for a living, before realising exactly who he was talking to.
You can watch the clip below:
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TikToker @itsdanielmac - known for his What Do You Do For A Living? video series, which sees him ask people (mostly in mega flash cars) what they do for work - shared the video online.
In the clip, Mac heads over to Belfort, who is sitting in his Mercedes-AMG GT C Roadster, when he asks his classic question.
"I love your car. What do you do for a living?" he says, before Belfort replies: "You're kidding, right?"
"Oh s**t, you're Jordan Belfort!" says Mac. "Can I come work for you, man?"
Belfort jokes that Mac would have to 'sell him this pen' before he could offer him a job.
"Well that depends, first you've got to sell me this pen," he says.
"Ah never mind, man," says Mac, laughing it off.
Belfort - who provided the inspiration for Leonardo DiCaprio's character in the 2014 movie The Wolf of Wall Street - is a former stockbroker who spent 22 months in jail for securities fraud related to his brokerage firm Stratton Oakmont.
He was also ordered to pay out $110m to his former clients.
TikTokers were loving Mac's video, but a few were just a teeny bit suspicious, with some commenting the Belfort didn't actually appear to be on the phone when Mac approached him.
"Lol my guys pretending to be on the phone," one wrote.
While another said: "He wasn’t even calling anyone."
And a third added: "His phone was Home Screen."
"He tried to call someone but his phone was on home screen," agreed a fourth.
Mac is known for asking all kinds of people what they do for a living - including Brooklyn Beckham, who gave a surprising response earlier this year.
When asked what he did for a living, the 23-year-old replied, "I'm a chef."
Beckham went on to expand on this answer, saying he was 'trying to be' the best chef in the world and advising those who want to get into cooking to 'follow your passion' and make whatever 'makes you happy'.
He then gave a thumbs up to Mac and zoomed off down the road in his car, which is worth an estimated $1.2 million (£995,700).
Lucy Devine