Her name is Exia. She is a genius hacker. Her advanced intellect makes it difficult at times for her to identify with normal people. Her insatiable thirst for knowledge and incredible powers of analysis have led to her taking on the role of the primary gatherer of informations.
Her mental supremacy is also reflected in gaming, as she quickly ascends the leader boards in whichever game she plays.
Lately, perhaps due to boredom, she has taken some pleasure in taking inexperienced players.