Azami

First appeared in Shinigami Record. Presumed to be Shions mother and Marys grandmother. She is Medusa and her hair grows as snakes. Each of the snakes possesses a unique ability. Because she herself has an immortal body she thinks of humans as dull creatures that die easily. However at one time she fell in love with a young man who was the first human to not fear her and created a family with him. Humans life spans are short so fearing that shed be alone again Azami used the powers of the snakes to create a neverending world. Source: Vocaloid Wikia