A male avatar named Haru Kenshin, he actually is the bad guy himself. He's a major troublemaker and He's really evil. It isn't until he meets this girl, who is Tenzin's daughter( The older one, I forget her name), that he starts to realize what he is doing wrong. He realizes that his brother who taught him to be evil, is wrong. Haru tries to fight against but he realizes he is weak. He gets motivated to fight because he gets a visit from Korra, that avatar before him. With the help of Tenzin's daughter he becomes a hero.