KSI

KSI, whose real name is Olajide Olatunji, is a British YouTuber, internet personality, rapper, and actor. KSI derived his performing name from a Halo clan: K Stands For Knowledge. S Stands for Strength, I Stands For Integrity.

He first made his name reviewing video games online and is one of the UK's richest YouTubers.

2.25 million fans watched live KSI's 2018 boxing fight against American YouTuber Logan Paul. The fight ended in a draw, but KSI emerged victorious in their 2019 rematch, which was held at LA's Staples Center and marked both fighters' professional debuts without head guards. Jeff Mayweather, the uncle of renowned boxer Floyd Mayweather, trained KSI.