Kontsuchi

is a citizen of Iwagakure.

Mitsuki's Disappearance Arc
Kontsuchi was present when the Fourth Tsuchikage received a phone call from Seventh Hokage. After Kurotsuchi promised Naruto about investigating matters and safely capturing and bringing three Konoha genin that unofficially were tracking the attackers in the goal of retrieving Mitsuki, Kontsuchi was also shown concerned.