Yūki Minazuki

is a jōnin from Konohagakure and the former leader of Team 2.

Itachi Shinden: Book of Bright Light
Under his leadership Team 2 was formed by the best genin at that time and they given the symbolic position of guarding the Fire Daimyō during his annual visit to Konoha. However, Obito Uchiha’s attack claimed Tenma’s life and caused Shinko to quit being a shinobi.

Trivia

 * means "the sixth month of the lunar calendar". Yūki has several meanings:
 * When written as 勇気, it means "courage".
 * When written as 有機, it means "organic".
 * When written as 幽鬼, it means "ghost".