Hiei

Hiei (飛（ひ）影（えい）, Flying Shadow), also known as Jaganshi Hiei (邪（じゃ）眼（がん）師（し）・飛（ひ）影（えい）, Jaganshi Hiei Master of the Evil Eye: Flying Shadow), is a main character in the anime and manga series YuYu Hakusho by Yoshihiro Togashi. He is called "Hiei of the Evil Eye" in the Viz manga. Originally an antagonist during the Spirit Detective Saga, he almost kills Yusuke Urameshi but later becomes one of the four protagonists. He serves as Yusuke's rival.