Japanese Name: Kou Seiya|
Meaning: Light of the Starry Night
Birthday: July 30
Astrological sign: Leo
Blood Type: A
Eyes: Dark Blue
Height: 5' 7"
Hobby: American Football
Favored Food: Hambuger
Favored Subject: Physical Education
Least Favored subject: Literature
School: Jyuuban College
Dream: To find his Princess, Princess Kakyuu
Instrument: Lead Vocal
Seiyuu: Shiho Niiyama
Attack: Star Serious Laser
Intro Speech: Surrounded by the dark denseness of the night, Sailor Star Fighter. Stage on!
When Mamoru is presumably in America, Seiya saves SailorMoon, Usagi cries afterwards because she needed help to defeat the Phage, and Seiya says "aren't I enough?" Because he loves Usagi, but she is saying that she can't go on with out Mamoru.
In the Manga, the ThreeLights are and always have been female.