Roberto Jimenez is a jiu-jitsu black belt under his father Raul "Gaucho" Jimenez. He was often called as a prodigy in his teens, winning the World Championships twice at the juvenile ranks, then as a purple belt. He is best known for his skill at taking his opponents' backs.

Nicky Ryan– born June 27, 2001– is a jiu-jitsu black belt from New Jersey known as a no-gi grappler who made history as the youngest male athlete to compete at the ADCC World Championships.