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)- Article management templates (3 members)
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- Characters (61 members)
- Comics (8 members)
- Community (4 members)
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- Content (1 member)
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- Disambiguations (3 members)
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- Everything Can Be Beaten (4 members)
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- Fillerbunny (3 members)
- Forums (6 members)
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- I Feel Sick (19 members)
- I Feel Sick Images (5 members)
- Image wiki templates (9 members)
- Images (6 members)
- Infobox templates (1 member)
- Interviews (3 members)
- Invader Zim (59 members)
- Invader Zim Images (24 members)
- Jellyfist (24 members)
- Jellyfist Images (21 members)
- Johnny the Homicidal Maniac (34 members)
- Johnny the Homicidal Maniac Images (15 members)
- Kite + Kill Bill + BNL (5 members)
- Location (1 member)
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- People (6 members)
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- Skool (3 members)
- Squee! (9 members)
- Squee! Images (2 members)
- Templates (5 members)
- The Bad Art Collection (1 member)
- The Views Expressed Screen (1 member)
- Unfinished Episodes (1 member)