Olajide “JJ” Olatunji, better known as KSI, a shortened version of his YouTube username KSIOlajidebt, is an English YouTuber/rapper. He was born on June 19, 1993 in Watford and is 22 years of age. KSI is known for his online gaming videos like Fifa, Call of Duty, Grand Theft Auto (GTA) and many others. He is a rapper and has created his own music videos with some prominent London Rappers like Sway and JME, he has release a book and been on Radio 1 extras Charlie Sloth show. He also has a Lamborghini Aventador and live in a penthouse apartment in Wembley, London. He is looked up to by many young people and is an inspiration to all up and coming youtubers.
You can check out his channel here:
[image from bbc.co.uk]