Oekaki [63] (Miscellaneous) Ojamajo Doremi [1] (Anime/Manga) Okage, Shadow King [2] (Computer/Video Game) Okami [3] (Computer/Video Game) One Piece [73] (Anime/Manga)
| Orcs/Goblins/Trolls/Orges [1] (Mythological) Original [40] (Books/Stories/Comics) Original Characters W/O an Anime Series [915] (Miscellaneous) Orphen [1] (Anime/Manga) Other [38] (Mythological)
| Other [48] (Books/Stories/Comics) Other [30] (Computer/Video Game) Other [26] (TV Series/Movie) Ouran Host Club [16] (Anime/Manga) Outlaw Star [4] (Anime/Manga)
|