Olajide Olatunji who is at the age of 21 in 2016 is a school dropout.He is from British nationality and his ethnicity is black.
In 2011, he released his debut song "Heskey Time", during the time of Christmas with fellow YouTuber Randolph.Olajide released his debut single as a solo artist on 23 March 2015 titled "Lamborghini".
Olajide opened his current YouTube account on 24 July 2009, with a video about video game franchise., FIFA. He is quite famous on YouTube.He has over 9.8 million subscribers and 1.7 billion views, his channel is also at the top of the most channel that is viewed.
KSI announced that he was launching a book, he announced it through his Youtube account. The book is titled as KSI: I Am A Bellend. and KSI: I Am A Tool in the US.
His former girlfriend Seana and KSI were in a relationship for a long time, she also appeared with him in several Youtube videos, in 2016 KSI has no affair and is single.
Olajide's net worth is 5 million in 2015 .