Maō commands the Duralian aliens, a race dedicated to the invasion of Earth. This leader deviates physically from the rest of the single-eyed species by possessing two eyes. Subordinates refer to the character as "Satan," a demonic title whose origins are not defined by their alien culture. In a notable tactical maneuver, Maō adopted the disguise of a young girl to deceive Ken Izumi and catch him off guard. The character meets a final end in the series' last episode, their distinctive death cry achieving recognition among the show's audience.