Trista (Sailor Pluto) is one of the protagonists of the anime series, Sailor Moon. She is one of the four Sailor Scouts of the outer solar system and princess of the planet Pluto. She is also the keeper of time and Rini's bond protector. As Sailor Pluto, her powers are mainly time and screaming. She along with Amara, Michelle and Hotaru debuted in the third season of Sailor Moon, Sailor Moon S.