Isobu (Rukard)

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. After the events, the Tailed Beast was sealed into Kazumi.