Prince Kamehame Friends

The spitting image of his Nazi father, Brocken Jr. entered the Choujin League to avenge his father's death at the hands of Ramenman. He was defeated by Ramenman, but instead of being met with death like his father, he befriended Ramenman and became a justice choujin.

An American choujin, Geronimo debuted during the Golden Mask arc when several powerful demon choujin stole a sacred Kinniku relic. He proved his worth and became a valuable ally to the justice choujin.

An English villain-turned-hero, Robin Mask fought alongside Suguru Kinniku in his campaign for the Choujin Crown.

The main protagonist of the Kinnikuman (original run) franchise, Suguru faced many trials to become king of Muscle Planet.

A Texan justice choujin, Terryman is perhaps the greatest American choujin and the best friend of Suguru Kinniku.

A Russian villain-turned-hero, Warsman fought alongside Suguru Kinniku in his campaign for the Choujin Crown. Warsman is also a cybernetic organism capable of incredible feats.

A justice choujin resembling and acting similar to a sumo wrestler, Wolfman is famous for being one of the "expendable" choujin.