Marco Ruas, aka "King of the Streets," is famous for his hybrid version of Brazilian submission fighting and kickboxing, which he teaches one on one in his Aliso Viejo studio, Ruas Vale Tudo. Ruas created the complete fighter concept recognized in the Mixed Martial Arts world as the strike, takedown and submission finish. Other defense classes taught by Ruas include Brazilian Jiu-Jitsu, Judo, Muay Thai, Boxing and Kickboxing.