Influencer and Britain’s Got Talent judge had made football, comedy and challenge videos with group since 2013 Influencer and Britain’s Got Talent judge had made football, comedy and challenge videos with group since 2013 KSI, the social media influencer and Britain’s Got Talent judge, has announced he is leaving the YouTube collective Sidemen. The 32-year-old, whose real name is Olajide Olatunji, has made football, comedy and challenge videos with the group since 2013. The Sidemen, composed of