Carlos Gracie was a Brazilian martial artist, remembered for being one of the main developers of the Brazilian Jiu-Jitsu. He was aided in this endeavor by Mitsuyo Maeda, who is regarded as the martial arts patriarch of the Gracie family. He was also helped by his younger brother Helio Gracie and his students Luis Franca and Oswaldo Fadda. He studied in Belem under Maeda and his students, who helped him in acquiring intense knowledge about martial arts. Along with his brothers, he became known for breaking all conventions of what were accepted as the fighting styles, and he also challenged different fighters from different martial arts backgrounds. Due to his competitive and adventurous spirit, he competed in several different sports such as wrestling, sambo, and boxing.