Ansem the Wise was a famous scientist and sage-king of Radiant Garden. To protect his people from the darkness, he and his apprentices performed research and experiments to study the heart, which resulted in the creation of the Heartless. Eventually, Ansem's apprentices were taken over by the darkness, and, when he decided to end the research, they banished him to the Realm of Darkness and Xehanort continued the research in his name.
Buzam A. Calessa, or simply "BC", is the sub-commander of the Nirvana. She is stern and all-business and looks after the general welfare of the crew. A skilled tactician, BC gives orders firmly and decisively. She seems like a workaholic, constantly staying near the bridge to access data and review the crew's performance. During the initial episodes, she is seen secretly taking a small, data disc from the bridge's database, until Magno interrupts. However, her suspicious actions do not seem relevant until the Second Stage, where it is revealed that she is actually the Commander of the Taraak Intelligence, whose real name is Tenmei Uragasumi, a male spy for Taraak. However, in the end, Magno Vivian forgives "her" and retains "her" position as sub-commander, on the provision that "she "stays as BC.
Noha-A Joo is a new student at Amityville High School. She is known as a "mirror-image"; a person who has died but becomes immortal. Her blood has the ability to heal wounds. Noh-A is excited to learn that she is a mirror image, and does not show any signs of unhappiness at her new role in Amityville. She is quite naive and manages, somehow, to get her head cut off several times, usually by Jack. (Source: Wikipedia)
The main crew member of the Galaxy Express 999. He is an alien being with an invisible body; only his eyes can be seen while he is wearing his conductor uniform. The Conductor prefers to go "strictly by the book" and frequently cites the Galaxy Express rule book, but occasionally ends up bending the rules and getting into adventures with Tetsurou and Maetel.
Supporting character in Karakuri no Kimi.