The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 13-year-old characters (1 member)
- 14-year-old characters (6 members)
- 15-year-old characters (7 members)
- 16-year-old characters (28 members)
- 17 (1 member)
- 17-year-old characters (26 members)
- 18 (1 member)
- 18-year-old characters (17 members)
- 19-year-old characters (7 members)
- 20 (1 member)
- 20-year-old characters (7 members)
- 21-year-old characters (4 members)
- 23-year-old characters (1 member)
- 24-year-old characters (2 members)
- 25-year-old characters (2 members)
- 28-year-old characters (1 member)
- 29-year-old characters (2 members)
- 32 (1 member)
- 32-year-old characters (1 member)
- 33-year-old characters (2 members)
- 34-year-old characters (1 member)
- 35-year-old characters (1 member)
- 39-year-old characters (2 members)
- 42-year-old characters (1 member)
- 5-year-old characters (1 member)
- A-rank (59 members)
- A-rank Squad (18 members)
- Abilities (101 members)
- Ace (5 members)
- Aftokrator (29 members)
- Aftokrator House (2 members)
- Aftokrator Triggers (12 members)
- Ai Kitora (16 members)
- Ai Kitora Images (48 members)
- Akane Hiura (6 members)
- Akane Hiura Images (23 members)
- Aki Hiyami (6 members)
- Aki Hiyami Images (14 members)
- Albums (3 members)
- Alektor (2 members)
- Alektor Images (17 members)
- Alive (143 members)
- All-Rounder (16 members)
- Amatori Family (2 members)
- Amphibious (7 members)
- An Kobayakawa (3 members)
- An Kobayakawa Images (7 members)
- Animal (1 member)
- Animated Gif (326 members)
- Anime (158 members)