Rido Kuran

Rido Kuran is a pureblood vampire of the Kuran family. He is also Kaname's uncle and the elder brother to Haruka and Juri Kuran. He is described as being lascivious, self-centred and cruel. Rido is powerful and will not hesitate to use power for personal gain and the destruction of others. According to Asato Ichijo, he is the true head of the Kuran family. Rido is one of the major antagonists of the Vampire Knight series (Source: Vampire Knight Wiki)