Originally posted by Sub_Mariner
Jimmy Olsen pwns.Anyway Bio on A-ko.
A-ko (Eiko Magami)
A-ko is the heroine of the series. A red-haired girl who seems to be near invulnerable with superhuman speed and strength, she is apparently the secret daughter of Superman and Wonder Woman, who lives in Graviton City, Japan. A-ko is usually very friendly, cheerful, and polite, and always tries to lead a normal life despite her unusual lineage. However, she does have a fiery temper, and is very dangerous when angered. She has a large appetite, and a tendency to oversleep on school days. Her constant friend is C-ko Kotobuki, whom she has known since kindergarten. Although she truly loves C-ko, even she can be frustrated at her friend's relentless immaturity.
A-ko's powers are kept in check by the distinctive armbands that she always wears. Without them, her strength is uncontrollable, and she destroys nearly anything she touches (and even things that she doesn't touch.)
In future incarnations of the A-ko series, it is revealed that A-ko successfully graduated from Graviton High School, and assumed a fairly normal position as a secretary in a Japanese Corporation. Her adult destiny is somewhat murky, because by that time the focus of the series had shifted to her younger, alternate-universe self.
http://en.wikipedia.org/wiki/Project_A-ko#Characters
She's also (naturally) well versed in Martial Arts.