Galaxia was the fifth series villain of the Sailor Moon anime series, and the last villain of the manga series. Her main goal was to take control over the galaxy. Both the anime and manga had differing versions of the character. She also appeared in various Sera Myu plays where her goals are a mixture of the anime and manga.
- She is the ruler of the Shadow Galactica empire, though it is never named in the anime series, it does appear in the song "Golden Queen Galaxia."
- Galaxia's eyes are red.
- Her castle in the manga is called the Galactica Castle.
- Her image stone is Alexandrite and her image color is Gold.
- She's around the same height as Haruka.
- Her sailor crystal (the brooch she wears on her chest) is called the Saffer Crystal.
- She has been called both the "Soldier of Solitude" and the "Soldier of Destruction."
- Her attacks are never named in the anime but in the manga they are: Galactica Superstring and Galactica Inflation
- She has another attack in the musicals called Galactica Magnum.
- Galaxia's voice was first heard in episode 167 of the anime, but she did not physically appear until episode 173. Her first apperance in the manga was in Stars 1, chapter 43.
- Her voice actress in the anime is Mitsuko Horie.