The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Anime (12 members)
- Blog posts (2 members)
- Browse (8 members)
- Candidates for deletion (0 members)
- Chapters (2 members)
- Characters (7 members)
- Disambiguations (0 members)
- Episodes (11 members)
- Female Characters (5 members)
- Forums (7 members)
- Help (3 members)
- Help desk (2 members)
- Images (0 members)
- Male Characters (3 members)
- Manga (2 members)
- Pro soccer players (1 member)
- Template documentation (28 members)
- Templates (30 members)
- Videos (7 members)
- Volume 1 (1 member)
- Volumes (1 member)
- Watercooler (2 members)