Britain's Got Talent has returned to ITV this weekend with a new judge behind the desk. For younger viewers and boxing fans, KSI will likely be a familiar face.
He's not only one of the UK's biggest influencers, but has also built an impressive career in the boxing ring. But what do we know about his life on and off-screen?KSI's real name is Olajide Olayinka Williams Olatunji, and he was raised in Watford, Hertfordshire.
While still at school he became friends with Simon Minter, aka Miniminter, who he'd later collaborate with as part of a group of YouTubers called the Sidemen.
KSI got his start on YouTube streaming videos of himself playing FIFA in his bedroom at his parents house back in 2008. As his follower numbers grew, he started creating vlogs too and reached a million subscribers in 2012.
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