Chiyo

"Chiyo-baasama" as she is affectionately known, is a retired Hidden Sand ninja. She and her brother Ebizou served as the legendary "sibling" ninjas of their village. In one of the previous Great Ninja wars, Chiyo used her poison skills to affect many enemy ninjas. When her grandson Sasori left the village twenty years previously, she longed to see him again.

Akimichi Chouza

A Jounin from Leaf Village, Chouza hails from the Akimichi Clan, known for their ability to manipulate their size. Akimichi Chouza is the father of Akimichi Chouji.
Chouza and the Ino Shika Cho group get back together to help Hidden Leaf turn back the Sound and Sand invasion.

Makumori Shichibi

Shichibi is one of the "bijuu", a tailed beast of the ancient world. The Shichibi was housed inside an unnamed kunoichi.
Shichibi and his Jinchuuriki were captured by Akatsuki. Akatsuki then removed Rokubi from the woman's body, killing the host.

Rokubi Raijuu

Rokubi is one of the "bijuu", a tailed beast of the ancient world. The Rokubi was housed inside an unnamed ninja.
Rokubi and his Jinchuuriki were captured by Akatsuki. Akatsuki then removed Rokubi from the man's body, killing the host.

Gobi Hoko

Gobi is one of the "bijuu", a tailed beast of the ancient world. The Gobi was housed inside an unnamed Rock Village ninja.

Yonbi Sokou

Yonbi is one of the "bijuu", a tailed beast of the ancient world. The Yonbi was housed inside Roushi, a wandering ninja. It is unknown what animal this bijuu was. Roushi used the Yonbi to create Youton, the Lava Element, a fushion of Earth and Fire Elements.

Sanbi Genbu

Sanbi is one of the "bijuu", a tailed beast of the ancient world. Seeking a way to create a ninja with a large amount of chakra that would be an unstoppable machine, the demons were placed inside shinobi. At some point in the past, it was housed within a ninja from Hidden Mist.

Nibi Nekomata

Nibi is one of the "bijuu", a tailed beast of the ancient world. Seeking a way to create a ninja with a large amount of chakra that would be an unstoppable machine, the Nibi was placed inside Hidden Cloud kunoichi Yugito. Nibi has been refered to as an "ikiryou" or living ghost.

Ichibi Shukaku

Shukaku is one of the "bijuu", a tailed beast of the ancient world. Seeking a way to create a ninja with a large amount of chakra that would be an unstoppable machine, the Kazekage had Shukaku imbued within his unborn son.