Yamato

"Yamato" as he was dubbed by Tsunade, was an elite ANBU who led Team Kakashi when Kakashi was fatigued from battle. Yamato led the team of Sai, Naruto and Sakura to the Grass Country. They were to meet Sasori's spy who was spying on Orochimaru.

Yuuhi Kurenai

A Jounin master, Kurenai is the leader of Team 8 (Hyuuga Hinata, Aburame Shino, Inuzuka Kiba). Near the series start, Kurenai attained the rank of Jounin. She is highly trained in Genjutsu illusion techniques.

Momochi Zabuza

A missing-nin from the Mist Country, Zabuza fled his country after he attempted to assassinate the Mizukage and take over the country. After arriving in the Wave Country, Zabuza reluctantly started working for a man named Gatô in order to make fast money and help his enterprises. Gatô wanted Zabuza to stop the construction of a bridge which posed a danger to his business.

Shizune

Shizune is the apprentice to the Leaf Sannin Tsunade. She is trained in many medical jutsu and carries the pig familiar Ton-Ton.

Tsunade

One of the Legendary Sannin, Tsunade left Leaf Village to devote her time to her gambling addiction. She has a blood contract with slugs and calls upon them as needed.

TenTen

A Genin from the village of Konoha, Tenten has deadly accuracy with her kunai and shuriken.

Tayuya

One of the Four Sounds, who specialize in the formation of barriers.

Jiraiya

One of the Legendary Sannin, Jiraiya left Konoha to devote his time to doing research for his line of adult books. He has a blood contract with toads and calls upon them as needed.