Wiseman is a major antagonist in the anime series 'Bishoujo Senshi Sailor Moon.' He is a mysterious and sinister figure who manipulates the Black Moon Clan from the shadows. Taking on the role of an advisor, Wiseman influences Prince Demande and the other clan members, driving them to attack the future Crystal Tokyo. His true identity is Death Phantom, an evil entity seeking to bring darkness and ruin to Earth. Wiseman's cunning and manipulative nature make him a formidable foe for the Sailor Guardians.