The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Nu-13 (562 members)
- Observers (29 members)
- Ogawa, Kazuya (1 member)
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- Oliver (3 members)
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- Order (6 members)
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- Ozawa, Riku (10 members)
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- Pakumen (51 members)
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- Persona 4 Locations (4 members)
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- Phase Shift 1 Characters (11 members)
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- Phase Shift Series Characters (21 members)
- Phoenix: Rettenjo (17 members)
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- Remix Heart Characters (26 members)
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- Rin Hazuki (6 members)
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- Road of Glacier (2 members)
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- Sacrifice (2 members)
- Sakamura, Hidehiko (2 members)
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