Britain's Got Talent is back on ITV this weekend, and there's a fresh face on the judging panel. KSI, a name that will ring a bell for younger viewers and boxing enthusiasts, is not just one of the UK's top influencers but also boasts an impressive boxing career.
But for those who aren't familiar with KSI, here's a rundown of his career so far and what we know about his life. Real name and early life Born Olajide Olayinka Williams Olatunji, KSI grew up in Watford, Hertfordshire.
During his school years, he struck up a friendship with Simon Minter, better known as Miniminter, who would later become a fellow member of the YouTube group, the Sidemen.
KSI's journey to internet stardom began in 2008 when he started posting videos of himself playing FIFA from his bedroom at his parents' house.
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