Gintsuki

Gintsuki or known as the Wolf Spirit is currently sealed within Ryusei Uzumaki of Konohagakure. Gintsuki is also the brother of Tsukiko or known as Juubi

Background
Centuries before the founding of the hidden villages, Gintsuki was the guardian of the world watching it and prevent disaster from happening with her Sister Tsukiko(Juubi). Kami has taken interest of Gintsuki and was given a gift by Kami herself. Her sister was fuming with jealousy and rage towards to her brother and made distant towards to her brother. As time pass by Tsukiko was getting more and more jealous towards to her brother so she she attacked the world and try to harness the worlds power for herself. But she was defeated by Sage of the Six Paths with the big help from Gintsuki by sealling her to the Sage of the Six Paths but it was temporary solution so Gintsuki told the Sage of the Six Paths to seal him so that he can separate Tsukiko powers and put her soul away to a statue so the sage agreed to him did seal him. Gintsuki succeed in doing the task but knew the price that he was sealed forever and can only be release when the has come.

Centuries Later Gintsuki has finally awaken and was free from the sage body and wandered around the world. When he was travelling he saw Ryusei Uzumaki and taken him to be a strong ninja. Gintsuki sealed himself to Ryusei Uzumaki so that the boy will become stornger and they became partners and he promise him that they always be together.

Personality
Gintsuki is a calm, collective and highly perspective. He can be also be playful and sometimes a sadistic but he can be very serious when his friends are in danger and willing to put his life on the line for his friends. He has extreme obsession on sweet food. He is very strict when it comes to training and makes sure that his host is a powerful ninja but makes sure that his won't let be an arrogant and hungry power person.