• His full birth name is Sean Dermot Fintan O'Leary and he is very proud of his Irish roots.
• Dermot beat Justin Timberlake and Ewan Mcgregor in People magazine's top 40 sexiest man alive poll 2008 - Hugh Jackman won.
• He was *GQ'*s most stylish man of the year in 2012.
• The returning X Factor host apparently always kisses his window every night before bed (what the hell - how does something like that even become a thing?).
• He was one of the last people to interact with Michael Jackson, at the press conference for Jackson's series of London concerts for the This Is It tour.
• He played American football as a teenager for Colchester Gladiators and ran the London marathon in under four hours. Speedy!
• Dermot's an advocate for the Make Poverty History campaign and a patron of male cancer awareness charity Everyman.
• Wikipedia once stated in his bio that he was a member of 90s pop group Steps. LOL.
• He's taller than the average celebrity by 0.5 inches.
• If he had to sleep with anyone from previous Big Brother series it would be Nadia Almada. Apparently.
• Dermot wants his funeral song to be Tonight We Fly by The Divine Comedy
• He was an usher at Holly Willoughby's wedding.
• Dermot once said Simon Cowell is a "nice and tender hugger".
• He was a member of the chess society at Middlesex University where he gained a 2:2 in media and politics after only gaining two GCSEs at school.
• And finally, he really REALLY likes taking photos of his cat.