Arnaldo Maidana de Oliveira is a Brazilian jiu-jitsu black belt under Gilberto Gabas, being also one of the most exciting talents of his generation. Maidana made a name for himself in the brown belt division of the sport, conquering important medals in the World Championship (gi/no-gi) and Brazilian Nationals implementing an eye-pleasing grappling style with which he submitted some of the sport's hottest prospects, including Felipe Pena and Vitor Silvério.