Agari Kaisen

Agari Kaisen is the head of the Kedouin clan and is an old friend of Tsunade.

Treasure Hunt filler arc
Agari first appeared when Tsunade gave Kiba, Hinata, and Naruto a mission about finding the treasure for Agari and later appeared when the they were kipnapped by Agari's three clan members who have copied their appearance. Then left the three and went to crush Konohagakure as he said to Naruto. But after Agari and his clan members left, Naruto, Kiba, and Hinata managed to free themselves, and caught up with Agari, and defeated him and his clan members. But the end of the filler arc, this misson was reavealed to be test for Naruto and the others.