A Reploid who pride herself as a thief specializing in targeting trade secrets, such as new information, inventions and data on the latest developments in curing modern illnesses. Marino then spreads the acquired information throughout the world without seeking compensation. After assisting X in stopping the Rebellion Army, she was eventually dragged along to be an official Maverick Hunter. Though this limits where she can sneak around, she no longer runs the risk of being deemed a criminal.