Olajide Olayinka Williams "JJ" Olatunji, better known as KSI, is an English YouTuber, internet personality, rapper, actor, and boxer. He is also a member and co-founder of the British YouTube group known as the Sidemen. In 2009, KSI registered his YouTube account under the name KSIOlajideBT
KSI bet Logan Paul!
The vernacular.
Urban dictionary would be dead without colloquialisms
73👍 16👎
Iâm warning you. Donât look at the GIF.