Lyoto Carvalho Machida (町田龍太 Machida Ryōto, Portuguese pronunciation: [liˈotu maˈʃidɐ]) (born May 30, 1978) is a Brazilian professional mixed martial artist, currently signed with Bellator MMA, competing in the Middleweight division. He formerly competed for the Ultimate Fighting Championship (UFC), where he was the former UFC Light Heavyweight Champion, as well as a UFC Middleweight Championship title challenger.