| John Jack Ridleyジョン・ジャック・リドレー |
| Aliases | JJ |
| Hair | , Blond, Short, Short Bangs, Spiky, Thick Eyebrows |
| Body | , Adult, Pale, Slim |
| Clothes | , Belt, Glasses, Uniform |
| Personality | , Friendly, Genius |
| Role | , American, Coworker, Engineer, Friend |
| Visual novels | Main character - Artemis Blue |
DescriptionAge: Unknown |
