She is a descendant of the Senju clan and is one of Konoha’s Sannin. She is famed as the world's greatest medical-nin.
She constantly gets pervedon by another in of the sannin, and one of her dearest friends, Jiraiya. She is aware of her massive 106 centimetre bosom and doesn’t usually like it when someone points them out. She is logical in her thinking, making decisions based on what she knows to be effective. She is also very detail-oriented and takes her responsibilities seriously.