KSI and Jake Paul are two of the social media sphere's most recognisable faces, building multi-million-dollar pound empires through viral content, canny investments - and boxing.

Olajide "JJ" Olatunji, known to millions by the intialism "KSI", is one of Britain's biggest influencers, having made a name for himself on YouTube before branching out into various ventures and is now estimated to be worth a cool $100million (some £81.8m), according to Celebrity Net Worth.com's most recent estimate.