Conor Anthony McGregor (born 14 July 1988) is an Irish professional mixed martial artist, professional boxer, businessman, and actor. He is a former Ultimate Fighting Championship (UFC) Featherweight and Lightweight Champion, becoming the first UFC fighter to hold UFC championships in two weight classes simultaneously. He is also a former simultaneous Cage Warriors (CW) Featherweight and Lightweight Champion. McGregor is the biggest pay-per-view (PPV) draw in mixed martial arts (MMA) history, having headlined the five highest-selling UFC PPV events.
https://en.wikipedia.org/wiki/Conor_McGregor