Kotarō Yagyū

is one of the two elders of Yamagakure, as well as the leader of the Yagyū Clan.

Background
Kotarō was the kunoichi famed to have instructed Saizō Kirigakure in shinobi teachings. She was also hailed as the first Medic-nin in the Land of Mountains, having taught Fujoshi Shihōin all she knows about medical ninjutsu. Sometime in her middle ages, she trained under the Slugs and became a sage.

Personality
Kotarō spends a great deal of time sleeping, and is often seen as being lazy. Nevertheless, her wisdom is greatly respected by the members of the village. She is known to be generous and kind, if not occasionally lecherous.

Appearance
Kotarō is a shriveled, small woman, who has grey hair, with golden pins in it, and brown eyes, though she rarely opens them. She wears a traditional kimono. In her youth, she was much taller, sporting dark brown hair and a larger variation of her current kimono.

Trivia

 * Her name possibly comes from, a famous ninja in Japanese lore.