A professional boxer and the personal bodyguard of Rama XIII. During the Kengan Annihilation Tournament, he participated as the affiliated fighter for Yato Trading Co.During the Kengan Annihilation Tournament, he participated as the affiliated fighter for Yato Trading Co. Two years later, he entered the Kengan Association VS Purgatory Tournament as a representative for the Kengan Association. Gaolang is a well-defined muscular brown-skinned Thai man with long straight black hair, which he ties into a ponytail that hangs over his left shoulder, thin discerning eyes and a small gem on his forehead. He is perpetually calm and expressionless, contrary to the common depiction of Nak Muays(Muay Thai practitioners) as hotheads. He is incredibly analytical when it comes to combat, and tends to catch details that other fighters miss. He is a patriotic Thai with matchless loyalty to his ruler, Rama XIII, and would not have taken part in the Annihilation Tournament without his command, as he disparages the tournament for being a mere freak show. However, he came to greatly respect Kaneda Suekichi's determination and willpower during their fight, calling him a true warrior. Gaolang has a great desire to fight a truly powerful foe to the death.