Bakura is a supporting character in the Yu-Gi-Oh! anime and manga. In the Japanese version he is called Ryo Bakura. He is the owner of the Millennium Ring and like Yugi Muto shares his body with an ancient spirit.
Bakura is a polite and kind person. But when possessed by Yami Bakura, his personality is completely suppressed. Bakura is a victim of Yami Bakura and often used against his will for Yami Bakura's goals and plans.