Rido Kuran

Rido Kuran is a pureblood vampire, Senri Shiki's father, elder brother to Haruka and Juri Kuran. Shizuka Hio was his fiancée. He is the main antagonist of the story. According to Asato Ichijo, he is the true head of the Kuran family. Secretly aided by the Ancient Vampire Council and the Hunters' Association, Rido manipulates events from the shadows by transferring his soul to other bodies and taking control. Rido possesses eyes of two different colors (crimson and blue), and when his soul is transferred to a different body, that body has eyes of two different colors.