The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 12 Zodiacs (13 members)
- 13-year-old characters (1 member)
- 14-year-old characters (7 members)
- 15-year-old characters (7 members)
- 16-year-old characters (29 members)
- 17-year-old characters (29 members)
- 18-year-old characters (16 members)
- 19-year-old characters (9 members)
- 20-year-old characters (9 members)
- 21-year-old characters (5 members)
- 24-year-old characters (1 member)
- 25-year-old characters (2 members)
- 29-year-old characters (1 member)
- 32-year-old characters (1 member)
- 33-year-old characters (2 members)
- 34-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 (61 members)
- A-Rank Squad (19 members)
- Abilities (92 members)
- Ace (5 members)
- Aftokrator (30 members)
- Aftokrator House (2 members)
- Aftokrator Images (7 members)
- Aftokrator Triggers (10 members)
- Ai Kitora (5 members)
- Ai Kitora Images (134 members)
- Aji-jiman Ramen Images (2 members)
- Akane Hiura (6 members)
- Akane Hiura Images (56 members)
- Aki Hiyami (5 members)
- Aki Hiyami Images (32 members)
- Akiko Katori Images (1 member)
- Albums (4 members)
- Aleggie Images (1 member)
- Alektor (3 members)
- Alektor Images (27 members)
- Alive (138 members)
- All-Rounder (16 members)
- Amatori Family (2 members)
- Amphibious (8 members)
- An Kobayakawa (3 members)
- An Kobayakawa Images (7 members)
- Animal (2 members)
- Animated Gif (376 members)
- Anime (232 members)
- Anime-Only Episode (17 members)
- Anime-Only Scene (26 members)