Black Moon Clan
The Black Moon Clan is a group of fictional characters in the Sailor Moon manga series by Naoko Takeuchi. It comprises the main villains of the second major story arc, which is called the Black Moon in the manga and Sailor Moon Crystal, and which... Wikipedia
Members: Chibiusa, Prince Demand, Crimson Rubeus, and more
First appearance: Sailor Moon chapter #14: Black Moon Kōan – Sailor Mars (March 3, 1993)
Leader(s): Prince Demand; Wiseman