| Japanese Name: | Kou Seiya | Kou Taiki | Kou Yaten |
| Name Meaning: | Light Of The Star Arrow | Light of The big Air | Light of The Night Sky |
| Birthday: | July 30 | May 30 | February 8 |
| Astrological Sign: | Leo | Gemini | Aquarius |
| Blood type: | A | AB | B |
| Resposibilities: | Lead Vocals | Lead Guitar | Keyboard |
| Hobbies: | American Football | Reciting Poetry | Cameras |
| Favorite Food: | Hamburgers | Sushi | Caviar |
| Least Favorite Food: | ----- | ----- | ----- |
| Favorite Gem Stone: | ----- | ----- | ----- |
| Favorite Subject: | Physical Education | Literature | Art |
| Least Favorite Subject: | Literature | None | Physical Education |
| Strong Points: | ----- | ----- | ----- |
| Has trouble with: | Girls | Arguments | Physical Exertion |
| Dream: | ----- | ----- | ----- |
| Height: | 5'5" | 6'2" | 5'0" |
| Starlight | Series | Transformation | Attack |
| Sailor Star Fighter | Sailor Moon Stars | Fighter Star Power, Make Up | Star Serious Laser |
| Sailor Star Maker | ----- | Maker Star Power, Make Up | Star Gentle Uterus | Sailor Star Healer | ----- | Healer Star Power, Make Up | Star Sensitive Inferno |