Prince Diamond is the ruler of the people of the nega-moon. He believes that with the wiseman's help he can destroy all humans living on earth and keep the planet for himself. His major weakness lies in Neo-Queen Serenity however, as he wishes to take her hand in marriage and have her rule the Nega-moon by his side.

ArcticNightfall ©1999 Icelord / Sailor Moon © 1992 Naoko Takeuchi/Kodansha, TOEI Animation. English Language Version © 1995 DiC Entertainment