Kagami Uchiha

was a Konoha shinobi during the First Great Shinobi World War.

Background
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 in battle or during the Uchiha Clan Massacre.

Trivia

 * Kagami, which can also be read as Kyō, 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.
 * His hairstyle ressembles that of Shisui Uchiha.