Age: 3000+ (actual age)
Height: 186 cm
Abilities: Almighty powers
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
[Spoiler] It is later revealed that Rido is Senri's father and Yuuki's uncle.
Ten years ago, seeking to take the Yuuki for his own gain, Rido killed his brother, Haruka. Kaname attempted to kill Rido but found he was unable to and a triumphant Rido revealed that as the one who revived Kaname, he is Kaname's master. Instead, Kaname reduced Rido to the state where he required another pureblood vampire's blood in order to revive fully.
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. Rido's takes possession of Senri's body and returns to Cross Academy. After a brief confrontation with Kaname and later Rima, Kaname gives his blood to Rido's body in order to restore Rido to his original body.
It also appears that Shizuka Hio was his fiancée. Ichiru reveals that Rido is the one who added Shizuka's ex-human lover to the list of Level E vampires to be liquidated by the Hunter's Association. Following his true body's revival, Rido's vampires sense his revival and begin to attack the school students, in order to capture prey for Rido to feed on. Ichiru attempts to kill Rido as revenge for Shizuka but instead is mortally wounded by Rido.
In the manga, Rido attempts to compel Hanabusa to feed upon him but is thwarted by his niece. Seeing Yuuki's resemblance to her mother, Rido changes his original desire from eating Yuuki (in order to gain power) to instead taking Yuuki as his lover as a replacement for Juri, who he loved but never wanted him. Rido's life comes to an end when he is defeated by Yuuki and Zero. [/Spoiler]
(Source: Vampire Knight Wiki)
