Viluy

Viluy was the fourth member of the Witches 5 to appear in Sailor Moon S, but the third member in the manga. She had power over ice and also used technology and nano robots to attack her victims.

Manga
In the manga, Viluy was stated to be Sailor Mercury's counterpart, and was capable of transforming into a Daimon. As Yui Bidou, she was the leader of the science class and was ranked at Level 202. She met her demise at the hands of Sailor Uranus.

Attacks

 * Mosaic Buster

Anime
Viluy made her appearance in episode 122 of the anime. In her civilian guise as Yui Bidou, she attended Mugen Gakuen, and was an academic rival to Ami Mizuno.

Viluy appeared as a tall young woman with long pale blue hair, and was extremely intelligent and logical. At one point she accused Ami of being too sensitive and emotional, as she only believed in logic and science, and thought that those who believed in emotion were weak. She was killed when Sailor Moon's Rainbow Moon Heart Ache attack caused her bracelet to malfunction and her nano-robots turned on her.

Attacks
Viluy appeared in the musical Mugen Gakuen - Mistress Labyrinth and its revision, and was played by Nao Futatsugi and Yuka Kuwahara. She was apparently known as a scientific researcher in the musicals, as she was instantly recognized by Ami as the famous Yui Bidou.
 * Mosaic Buster
 * ==Musicals==

Attacks

 * Mosaic Buster

Video Games
Viluy appeared in chapter five of the the video game Sailor Moon: Another Story, as a boss in Crystal Tokyo.

Attacks

 * Genkaku
 * Kamaitachi

Attacks

 * Mosaic Buster

Video Games
Viluy appeared in chapter five of the the video game Sailor Moon: Another Story, as a boss in Crystal Tokyo.

Attacks

 * Genkaku
 * Kamaitachi

Trivia

 * Viluy is named for viluite, a silicate mineral.
 * In the French dub she was never given a name, and had two different voice actresses: one for her Viluy form (Agnès Gribe) and a different voice for her Yui Bidoh form (Amélie Morin). She was also nameless in the Hungarian dub, which was based on the French dub, though in that dub she only had one voice actress. In the Brazilian dub she also had two different voice actresses.