Kagami Uchiha

was a shinobi from Konohagakure's Uchiha clan

Background
During the First Shinobi World War, he was part of a team consisting of: Tobirama Senju, Hiruzen Sarutobi, Koharu Utatane, Homura Mitokado, Danzō Shimura, and Torifu Akimichi. He is assumed to have died at some later point, either before or during the Uchiha clan massacre.

Trivia

 * Kagami means . Mirrors are heavily associated with Uchiha. For example, in Mangekyō Sharingan literally means mirror of ten thousand flowers and one of the sacred weapons of Itachi Uchiha's Susanoo is the Yata Mirror.