Isobu

Tailed Beasts (Biju) in Naruto's World (10 items)
list by Tim Lee

Isobu (磯撫, Isobu), more commonly known as the Three-Tails (三尾, Sanbi), is a tailed beast that was formerly sealed in Yagura of Kirigakure, after being sealed in Rin Nohara as part of Kirigakure's plan to attack Konohagakure. It has been captured by Deidara and Tobi, then sealed by Akatsuki. It was later resealed into a reincarnated Yagura during the Fourth Shinobi World War.