Mikey Musumeci is an American Brazilian jiu-jitsu black belt, a five-time IBJJF black belt World Champion, and the inaugural UFC BJJ Bantamweight Champion. He competed extensively in ONE Championship submission grappling, holding gold there before moving to UFC BJJ. He trains under Rubens 'Cobrinha' Charles and is known for his technical leg lock and guard game, teaching seminars and instructionals worldwide focused on modern no-gi jiu-jitsu.