Zero is a fictional character present throughout much of Capcom's Mega Man franchise. He is an android and the final creation of the original series' main antagonist, Dr. Wily. Zero debuts in the Mega Man X series as an elite member of the Maverick Hunters, an organization dedicated to defending humanity and good Reploids from evil Reploids known as Mavericks. Zero also acts as a mentor and longtime friend to X, the main protagonist of the X series. He is also the titular main protagonist of the Mega Man Zero series, and has a supporting role in other series in the franchise, such as the Mega Man ZX series. He has also appeared in crossover video games as a guest character.