KSI
Olajide Olayinka Williams Olatunji (born 19 June 1993), better known as KSI, is an English YouTuber and rapper. He was born in Watford, United Kingdom and attended the university of Furman in South Carolina. His real name is Santino Robert Grasso He has a brother called Deji who also is an entertainer. He is a part of the British YouTube group known as the Sidemen.