The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A Monster of God (3 members)
- Abilities (1 member)
- Admins (3 members)
- Affiliations Unknown (1 member)
- Age of Empire Arc (5 members)
- Alexander Anderson Images (2 members)
- Alucard Images (4 members)
- Ammunition (1 member)
- Anglicans (41 members)
- Anime Episodes (13 members)
- Anime Images (2 members)
- Anime Only (26 members)
- Anime Versions (16 members)
- Anime and OVA series (14 members)
- Antagonists (62 members)
- Article management templates (2 members)
- Article stubs (71 members)
- Articles with Spoilers (1 member)
- Artificial Vampire (15 members)
- Bands (1 member)
- Baobhan Sith (1 member)
- BlogListingPage (0 members)
- Blog posts (54 members)
- Browse (7 members)
- Candidates for deletion (17 members)
- Candidates for speedy deletion (0 members)
- Category templates (3 members)
- Catholics (22 members)
- Chapters (3 members)
- Character History (1 member)
- Characters (168 members)
- Chemical (1 member)
- Community (6 members)
- Condictionally Living Characters (1 member)
- Content (12 members)
- Copyright (1 member)
- Crossfire Chapters (3 members)
- Crossfire Characters (13 members)
- Crossfire Versions (2 members)
- Cyborg (4 members)
- DVDs (5 members)
- D Arc (10 members)
- Dead Zone Arc (7 members)
- Deceased Characters (57 members)
- Demon (0 members)
- Disambiguations (5 members)
- Documentation templates (1 member)
- Drama CD (1 member)
- Elevator Action Arc (6 members)
- Empires (2 members)