Mugino

is a jōnin of Konohagakure.

Appearance
Mugino is a bespectacled, square-jawed man. He wears the standard Konoha-nin attire complete with a forehead protector which he wears like a bandana and flak jacket.

Ao Arc
After an airship crashed on the outskirts of the village, he and Konohamaru were assigned the task of investigating the wreckage. While he stood guard outside as Konohamaru ventured into the wreckage, he was attacked by an unseen foe. When Konohamaru rushed to his aid, Mugino cursed his carelessness as he slumped to the ground.