The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Anime Images (16 members)
- Candidates for deletion (0 members)
- Chapters (29 members)
- Characters (21 members)
- Demon (0 members)
- Demons (9 members)
- Disambiguations (0 members)
- Documentation templates (1 member)
- Episodes (11 members)
- Females (8 members)
- General wiki templates (19 members)
- Hatnote templates with errors (0 members)
- Idaten (6 members)
- Idaten Wiki (6 members)
- Image license templates (13 members)
- Images (6 members)
- Infobox templates (15 members)
- Main Page Templates (8 members)
- Maintenance (5 members)
- Males (9 members)
- Manga Images (45 members)
- Media (7 members)
- Music (2 members)
- Navbox templates (1 member)
- Notice templates (10 members)
- Quote templates (2 members)
- Stubs (8 members)
- Template documentation (56 members)
- Templates (16 members)
- Theme Images (5 members)
- Unattributed files (0 members)
- Video (3 members)
- Volumes (6 members)