Also called: Nagao Kagetora (長尾景虎), Uesugi Masatora (上杉政虎), Uesugi Terutora (上杉輝虎)
Title: (関東管領)
Historically: Fourth son of the noted warrior , Kenshin wrested control of the Nagao clan from his brother Nagao Harukage and fought for control of . He accepted the name Uesugi Masatora when he gave refuge to his nominal lord, , and at his urging campaigned to push the Houjou out of the Region.
He adopted the name "Kenshin" when he became a Buddhist monk and a devotee of . The standard his army carried onto the battlefield bore the character 毘 ("bi") for Eight-Sword Bishamonten. He battled five times at , as well as the Houjou and Ashina clans and , whom he defeated despited being outnumbered. However, Kenshin died soon after the battle. He named his two adopted sons, and , his heirs, hoping that they would divide the Uesugi lands peacefully between them after his death.
In Mirage of Blaze: He became a god of war after his death, ascending from to , and established the to ensure that the peace of Japan is not disrupted by the . He named Kagetora as its commander.