How old is John McCririck and when was the horse racing pundit on Wife Swap and Big Brother?
THESE days he's better known for his random appearances on reality TV.
But what do we really know about controversial racing pundit John McCririck? Here is what we have found out...
Who is John McCririck? What's his background?
John is a 78-year-old horse racing pundit who was born in Surbiton, Surrey.
He attended Elizabeth College, Guernsey, Victoria College, Jersey, and Harrow School.
John initially worked for an illegal bookmaker before becoming a bookmaker himself.
He then went on to work as a journalist at The Sporting Life until he was sacked in 1984.
John then joined the Daily Star before joining the ITV Sport's horse racing coverage, which later moved to Channel 4 as Channel 4 Racing.
He became renowned for his unusual style, but was dropped by the channel for the 2013 team presenting racing.
After accusing them of ageism, John took Channel 4 to an employment tribunal, which ruled against him.
He has been married to wife Jenny McCririck since 1971 and calls her "The Booby" - one of the many reasons he has frequently been accused of misogyny.
How many times has John McCririck appeared in Big Brother?
John McCririck has entered Big Brother three times - twice as a contestant.
The first time he appeared in Big Brother was back in 2005 on the third Celebrity Big Brother.
He was the second housemate to be evicted and lived in the house with Caprice Bourret, Bez, Germaine Greer, Jackie Stallone, Jeremy Edwards and Kenzie.
During the series he was best known for his angry protest over not being given Diet Coke.
Before starring in the series he claimed not to have seen the show before but is now a big fan.
Five years after appearing in CBB3 he took part in Ultimate Big Brother which featured memorable housemates from previous episodes.
John starred in the series alongside Nikki Grahame, Chantelle Houghton, Preston, Makosi Musambasi, Coolio, Brian Dowling, Ulrika Jonsson, Vanessa Feltz and others.
He was the first to be evicted from the house.
John returned in 2015, again five years later, as a guest in the Hotel From Hell task.
When did John appear on Celebrity Wife Swap?
John appeared on Celebrity Wife Swap in 2006 with Edwina Currie and her husband "JJ".
Speaking about it afterwards, Edwina didn't even try to disguise her contempt for how he treated his wife.
Writing in the , she said: "I returned home thankful that I live with an intelligent, kind and interesting man who is mindful of my welfare and who loves me. We are a lucky pair, and we know it. I wouldn't want to be Jenny McCririck again for anything."
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What was John's illness?
It has been revealed that John has battled back from a mystery illness to return to work at the Cheltenham Festival 2018.
He reportedly started having issues with his legs and speech over Christmas 2017 and has since been very weak.
Doctors were initially baffled but it is now believed he had severe flu .