- English Name: Trista Meioh
- Japanese Name: Setsuna Meioh
- Age (Season 2, 1994): Sailor Pluto is over 1,000 but Trista is 18-19
- Birth Date: Sailor Pluto's is unknown and Trista's is October 29, 1975
- Astrological Sign: Scorpio
- Height: 5'6"
- Blood Type: A
- Hobbies: Watching over Rini (Chibi-Usa), shopping
- Favorite Color: Dark Red
- Favorite Gemstone: Garnet
- Favorite Food: Green Tea
- Least Favorite Food: Eggplant
- Favorite School Subject: Physics
- Least Favorite School Subject: Music
- Strengths: Sewing, offering guidance to others
- Weaknesses: Cockroaches
- Goals: To be a fashion designer