KSI
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Olajide William "JJ" Olatunji (born 19 June 1993), better known as KSI (shortened from his online alias KSIOlajideBT), is a British YouTube personality, internet celebrity, comedian, actor, rapper and white-collar boxer. After establishing himself on his YouTube channel, which, as of August 2018, has reached over four billion video views and more than 19 million subscribers as the 41st most subscribed channel, he has also become well known for his music. KSI released his debut extended play Keep Up in 2016, reaching number one on the UK R&B Albums Chart as well as charting in several other countries.

Before his successful channel, Olajide had a YouTube channel (which is still online) called JideJunior, which he created on 24 April 2008. Olajide opened his current YouTube account on 24 July 2009, with a video about the FIFA video game franchise. According to his website, YouTubers such as Weepeler and Hjerpseth inspired him to start his own YouTube career. His main channel was previously focused on association football and FIFA, although he played other games such as Grand Theft Auto V and other PC-based modifications on his secondary channel (KSIOlajidebtHD). His secondary channel contains videos of him playing more casual, arcade and horror games in a manner similar to that of fellow YouTuber PewDiePie.