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 the first and so far the only Iwagakure ninja to have a known surname.