Joou Nehellenia

Queen Nehellenia is the leader of the Dead Moon Circus. She is named after the Teutonic goddess Nehalennia. She first appears in Episode 148 of the anime and appears in full in act 37 of the manga, though she appeared as a voice in a mirror starting in Act 35.

In the manga, she is the dark mirror image of Queen Serenity; the self-styled Queen of the dark center of the moon who first made herself known during the Silver Millennium. Queen Nehellenia arrived at the celebration of Princess Serenity's birth. Swirling with dark energy, she confronted the Queen, who used her wand, the Moon Stick, to seal Nehellenia inside a dark mirror world forever. As retaliation, Nehellenia cast a curse that the Moon Kingdom would fall and the princess would never inherit her throne. Her dark magic ultimately brought about the end of the Silver Millennium, but she lived on. However, over one thousand years…