Mrs. Tendo, the mother of Kasumi, Nabiki, and Akane Tendo. The wife of Soun Tendo who was said to have died when Akane was very young. However what if that was not the case as her death was not something that any of them talk about. They mention she was dead but it was never revealed how she died exactly. What Akane did not know about her mother was that she was not human. In fact her mother was not either dead. Her father and older sisters only think of her as dead because what happened to her. In the basement that she was not informed existed was where her mother was kept.
When she naturally a gargoyle and when she was younger Mrs. Tendo had made a deal to become human and it worked. She was living the life she always wanted under the sun. Not have to worry about turning to stone as sun rose and then be fearful she would awaken at night. She was able to mingle with other humans rather then hide from them. She never knew her parents having grown up being raised not by them or ot