Rubeus is a member of the Nega-moon family of the future and a servant of the Wiseman. His mission is to find a way to destroy the future site of Crystal Tokyo. He uses the Four sisters to handle all of his dirty work. They arrived with him in the past at the same time as Rini.

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