O
O-Chan
O.D.
Oakley
Oars
Obadiah
Obanai Iguro
Obed
Oberon
Obi
Obito Uchiha
Oboro
Oboro Tsukimigusa
Oboro Yumeshima
Obrad
Ocean
Oceanus
Ochako'S Father
Ochieng
Octave
Octavian
Octavianus
Octavio
Octavius
Octopus Nakajima
Oculus
Odalis
Odalric
Odd
Oddbjorn
Oddmund
Oddo
Oddr
Oddvar
Oddvarr
Ode
Oded
Odell
Oden
Oden Kozuki
Odeserundiye
Odhiambo
Odhran
Odi
Odilo
Odilon
Odin
Odissey
Odo
Odoacer
OdOn
Odovacar
Odran
Odysseus
Oedipus
Oeinn
Oengus
Oeufcoque Penteano
Ofek
Ofer
Ofir
Ofra
Ofrah
Ofri
Ofydd
Ogam
Ogden
Oghenekaro
Oghenekevwe
Oghenero
Ognen
Ognian
Ognjan
Ognjen
Ognyan
Ogun Montgomery
Oguzhan
Ohad
Ohannes
Ohiyesa
Ohm
Ohma Tokita
Ohmu
Ohnoki
Oidipous
Oier
Oimo
Oisin