黒龍会
According to Jess Nevins' "Encyclopedia of Golden Age Superheroes", "his nemesis is the femme fatale Illyria, Queen of the Spies, but he also fights rebellious Haitian natives, robot spies, ten foot tall Nazi monsters, the Black Poet, agents of the Black Dragon Society, the evil Toymaker, mad scientists, mummies, vampires, and head hunters".