Also referred as Byakko (ビャッコ Byakko), Dan was able to access Extreme Ki with little effort, manifested as a "White Tiger" (白い虎 Shiroi Tora). Despite being the senior, Rio saw Dan as a rival and tried hard to surpass him. Although Dan tried to defeat Rio when he defected, he was killed, but the cause of defeat was because he got injured previously by Long in a sneak attack in order to further make Rio's desire for power insatiable. The fact that he didn't fight his rival at full strength left Rio with a feeling of frustration until he learned that their battle could be fulfilled now between him and the son Dan had with his wife Nami, Jan. Though Dan's Fierce Soul was used in the creation of Suugu, Dan is unable to manifest until Jan awakens his memory. After receiving a fatal wound meant f