Dark Mercury, who has also been referred to দ্বারা the unofficial nicknames of Darkury অথবা Dark Sailor Mercury outside of the series, was the evil form of Sailor Mercury who appeared only in Pretty Guardian Sailor Moon. She first appeared in Act 21, after Sailor Mercury was kidnapped and brainwashed দ্বারা Kunzite. At first, she appeared like a normal, but শীতল Ami (dubbed "Akumi" (悪美; meaning "Evil Beauty") দ্বারা the series production staff). But shortly thereafter she transformed into Dark Mercury, much to the horror of the other Sailor Senshi. She was often disrespectful toward Kunzite and the other...
Setsuna Meiō (冥王せつな?) is Sailor Pluto, she`s gurdian of time.
Pluto's first appearance is during Sailor Moon R, where she watches over Chibi-Usa in the past. She has a very special relationship with Chibi-Usa. She is the keeper of the Garnet Orb.
Setsuna is the oldest of the nine Sailor Senshi; in the R season, she is a college student while the others are still in middle অথবা high school. Despite being the eldest, Sailor Pluto never assumes any type of official leadership role. Even among the Outer Senshi, she frequently defers to Uranus and Neptune.