Characters
- numel 1
- nuna 1
- nuwa 1
- nyanja 1
- nymphaea | egyptian water lily 1
- ob nixilis 1
- obelisk the tormentor 1
- oceanbird astronomonov 1
- ochichi-sama 1
- oczy 1
- oda nobuhime 1
- ohga ruki 1
- ohno 1
- ohse minato 1
- oinkologne 1
- oki 1
- okiku-mushi 1
- okoge oniyama 1
- oku 1
- olga gurlukovich 1
- oliver aiku 1
- oliver inoe 1
- olivia haas 1
- olivia von roselia 1
- olivier gaillard 1
- olivier vandeberme 1
- olor kudenbru 1
- omiyo 1
- omnimon 1
- oncidium | dancing lady orchid 1
- onegai blue 1
- onegai pink 1
- onegai yellow 1
- oni jorou 1
- onia 1
- onikiri 1
- oniwaka 1
- onna mahoutsukai 1
- onsen-mark 1
- ooba 1
- oosaki 1
- ooyama 1
- opera 1
- opera kobayashi 1
- operator 21o 1
- operator 6o 1
- orcera 1
- ore 1
- orga nanagear 1
- orie kusanagi 1