José Matheus Macedo de Lira Luna, commonly known as Matheus Luna, is a Brazilian jiu-jitsu black belt under Ricardo Feliciano (Pantcho) and Lucas Leite of the Checkmat Team, who worked extensively at the Barreto Brothers Academy in Natal, RN - Brazil, namely with Bruno and Thiago Barreto. Matheus and his twin brother Mathias Luna ascended to the top of jiu-jitsu's competitive rankings as purple and brown belts, cementing that status during their very first year competing in the professional circuit.