Hai Wulong is an Esper that was imprisoned and forced to fight in the "Esper Underground Arena".
Hai is an old man with sunglasses and Fu Manchu moustache wearing a changpao.
Duplication: Hai, by the Glowing Fish, has been given the ability to create perfect copies of himself. He usually uses his powers to make his opponents focus on the duplicate and take them by surprise. The duplicate has exactly the same prowess as Hai himself, but once injured it will dissolve.
Dragon Palm: Hai attacks his opponent with the palm of both his hand so strongly that the impact of the attack send the opponent flying.