We all know Big John Fury likes to clench his fists, headbutt glass panels and serve up some fighting talk when his sons are preparing to step into the ring.
But the passionate family patriarch has now been asked to put his money where his mouth is, as a man dubbed the 'toughest white guy on the planet' by Mike Tyson has called him out.
Take a look at this:
Big John, the father of 'Gypsy King' Tyson and former Love Island star Tommy, has been challenged to step back into the ring for one last dance by Joe Egan.
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The 59-year-old, who boasts that he comes from a long line of bare-knuckle fighters, is no stranger to sparring and has 13 professional fights to his name.
Once ranked third in the country, Fury retired with an 8-4-1 record after suffering knockout defeats to former WBO champion Henry Akinwande and Steve Garber.
On the other hand, his potential opponent brags that he is a seven times Irish boxing champion as well as being a sparring partner to the legendary Mike Tyson.
On top of that, 'Iron Mike' paid him a pretty incredible compliment - that he is the ''toughest white guy on the planet' - which I'm sure is pretty hard to swallow for Fury, seen as though he named his world champion son after the boxer.
Egan, who survived being shot twice outside his own pub and being hit by a car, is one of the only blokes on the planet who can say they pulled through a sparring session with Mike Tyson.
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The pair ended up becoming close friends after impressing each other with their boxing prowess, as Egan was the last man standing after three minutes in the ring with the 'Baddest Man on the Planet' as a teenager.
He told The Sun in November: "If you are going to get battered you might as well get battered by the best.
"I got battered by Mike Tyson and I got battered by Lennox Lewis when I fought him in 1985.
"It was a privilege to share the ring with both of them and it is an honour to say Mike Tyson has been my close friend for 40 years now. He visited my mother at home in Ireland four times."
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It seems Egan reckons he and Fury can turn the tides of the sport by taking on each other for old times sake - by showing fans that the current fad of YouTubers stepping into the ring should come to a stop.
In his callout video to Big John, which was uploaded to YouTube earlier this week, the Irishman said: "Hello everyone. I think I have got one last hurrah in me. I haven’t fought in over 20 years.
"John Fury is my friend and he is a good fighting man - same as myself, a good fighting man. I think the two of us would have a great boxing match.
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"Out in Saudi, let's show them YouTubers and them Saudi royals how two old warriors can perform."
Former bare-knuckle boxer Paddy Doherty even chimed in on the potential clash, saying: "John I got to say. Phwoar, I'm glad it's you and not me.
"You are two super heavyweights, you are built like bricks, you can rock for fun, you can fight until the cows come home.
"I know between the two of you, there will be no giving best. One of you will have to be knocked clean out. I think it would be the goodest fight, in the world."
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What do you reckon?
Featured Image Credit: YouTube/Mayo Martial Arts John Fury/InstagramTopics: Tyson Fury, Boxing, Celebrity, Mike Tyson