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Olajide Olatunji

JJ

Olajide Olayinka Williams Olatunji

Sidemen

KSI, Acting

Watford, England, UK | 1993-06-19

Olajide Olayinka Williams "JJ" Olatunji, known online as KSI, is a British YouTuber, internet personality and rapper known for his YouTube video content. Olatunji is a member and co-founder of the entertainment collective known as the Sidemen, alongside six other British YouTubers, producing online videos and merchanise to a combined audience of over 53 million followers.