Maeda used Jiu Jitsu for several years teaching the oldest son of Gustavo – Carlos and he managed to instill in him  different important values and skills: self-control, discipline, respect, serenity. In 1925 Carlos moved to Rio de Janeiro where he founded an academy – Gracie Jiu Jitsu. Carlos started teaching Jiu Jitsu to his younger brothers – Osvaldo, Gustavo, Jorge and Helio and as an addition to the martial art he started developing a special diet called Cracie Diet. The Gracie family was growing gradually (Carlos Had 21 children) and the brothers started being challenged into fights by practitioners of other martial arts. they were dominating and showing the effectiveness of Jiu Jitsu.