The thirteen-year-old daughter of Grave's former love, Maria and Big Daddy. Mika seeks out Grave for protection after her parents' deaths and provides Grave with his guns so that he can set out. During the intermission sequences of the game, the player can choose to let Mika talk about current events and things that her mother told her about Brandon and Millennion. After the death of Dr. T, Mika picks up where he left off and attempts to support Grave over a two way radio.