The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- 1st Officers (4 members)
- 21st Century Visions (20 members)
- 30 Minutes After Noon (58 members)
- 30 Minutes After Noon Images (3 members)
- 3D Story Artists (3 members)
- A21 (12 members)
- Actors (31 members)
- Additional Grips (3 members)
- Additional Music Editing (2 members)
- Administrators (4 members)
- Aerial Cameramen (2 members)
- Aerial Co-ordinators (2 members)
- Aerial Pilots (2 members)
- Air Force Personnel (16 members)
- Air Terrainean Personnel (10 members)
- Aircraft (74 members)
- Aircraft Hijackers (9 members)
- Airliner Pilots (7 members)
- Airplanes (32 members)
- Airports (6 members)
- Alan Tracy Images (21 members)
- Alias Mr. Hackenbacker (57 members)
- Aliases (2 members)
- Aliens (2 members)
- All About Thunderbirds (6 members)
- Aloysius Parker Images (30 members)
- Anderson Entertainment Productions (3 members)
- Anderson Family (3 members)
- Andersonic (16 members)
- Animals (6 members)
- Annuals (8 members)
- Anonymous Users (114 members)
- Apprentice Plasterers (2 members)
- Aquanauts (10 members)
- Archaeologists (3 members)
- Archives (1 member)
- Arcology (1 member)
- Armada Books (5 members)
- Arrested characters (47 members)
- Art Assistants (6 members)
- Art Department Assistants (1 member)
- Art Department Co-ordinators (1 member)
- Art Directors (9 members)
- Article management templates (3 members)
- Article stubs (198 members)
- Articles That Need A Clean Up (12 members)
- Articles Under Construction (61 members)
- Artists (8 members)
- Assistance Providers (1 member)
- Assistant Accountants (3 members)