Joker

Age: 28
Height: 187 cm
Weight: 85 kg

Joker is a Third Generation pyrokinetic and a self-proclaimed anti-hero that serves as the Fourth Pillar's guardian. Being abandoned as a child, he was raised and excelled in the assassin group Holy Sol's Shadow, under the moniker of Five-Two. After experiencing an Adolla Link and losing his left eye in the process, he gained the desire to discover the truth of the world by any means necessary.

(Source: Enen no Shouboutai Wikia)