KSI, real name Olajide Olayinka Williams "JJ" Olatunji, was born in London, England on June 19 1993 and raised in Watford, Hertfordshire. He originally built up his fame via a YouTube following on his KSIOlajideBT channel. As of October 2019, the channel had received over 20 million subscribers and 4 billion video views, ranking as the sixth-most subscribed channel from the United Kingdom. He released his first single Lamborghini with P Money in June 2015, reaching Number 30. His debut EP, Keep Up, followed in January 2016. Following his boxing match win against fellow YouTube Logan Paul in November 2019, he scored a Top 20 song with Down Like That ft. Rick Rossm Lil Baby and S-X.