The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Capricious Us Characters (3 members)
- Card Art (182 members)
- Card Game (6 members)
- Card Sleeves (3 members)
- Carl Clover (498 members)
- Carmine (27 members)
- Category:Taro Sasaga'e (1 member)
- Cathedral (18 members)
- Cauldrons (6 members)
- Celica A. Mercury (740 members)
- Central Fiction Characters (54 members)
- Central Fiction characters (2 members)
- Central Station (0 members)
- Chachakaka (119 members)
- Character Categories (17 members)
- Characters (127 members)
- Characters born in Akitsu-Kou (1 member)
- Characters born in April (11 members)
- Characters born in August (4 members)
- Characters born in December (5 members)