Naname's father

He was a Kirigakure's Hunter-nin that die during the First Shinobi World War.

Background
He was a esperiente ninja. For years he was a Tokubetsu Jōnin, but later was promoted to Hunter-nin. During the First Shinobi World War, he was summoned to protect the Land of Water against enemies shinobi's invasion, especially the Iwagakure's ninja. However, during a battle, he was surprised by an invasion of enemies in his camp and died fighting, leaving a wife and a son.

Quotes

 * (To Naname) "Don't worry, son, I'll back from the war. Then we can train more your new jutsu!"
 * (Last words) "Keep fighting, men! We will not let these bastards win... Naname, I'm sorry, I'm not come back..."