Shibito Azuma

led Iwagakure's forces against Konoha's during the Third Shinobi World War, as seen during Kakashi Gaiden. He almost broke through Konoha's defences, but was defeated when Minato Namikaze arrived to the battle.

Trivia

 * His family name,, means "east".
 * He is so far the first and only Iwagakure ninja to have a known surname.