Superhero name with O
- Odin
- Optimus Prime
- Oblivion
- Omniman
- One punch man
- Omni man
- Oracle
- oliver queen
- One Punch Man
- Obliterator
- Otto Octavius
- Okoye
- Ozymandias
- Omega Red
- Osiris
- occulus
- Oclin
- Octavious
- Omega Man
- Owl
- Obituary
- Owlette
- Obi Wan Kenobi
- octavius
- Onyx
- Omni-man
- Odysseus
- Orpheus
- Owlet
- Obelix
- ozone
- Onslaught
- omen
- Octonaut
- Obsidian
- optimus
- Osborn
- Orphan
- Olympia
- Olivier
- olympus
- octaman
- Octonaughts
- Octagon Man
- orochimaru
- Otto octavious
- Orlando cops
- oceanman
- olly
- Orange juice man
- old superman
- oatman
- Octavio
- Oilman
- Octodad
- olga
- overlord
- Oso
- Obito
- Orin
- Omicron
- Ogre man
- octupus man
- octupus
- Octavian
- ominous man
- oblivian
- onceler
- oscar the great
- Oat man
- octo-man
- oli
- Obie Wan Kanobe
- Orion Man
- Out
- Osmosis jones
- Ox man
- Odinson
- orian
- Ophelius
- opera
- oysterman
- Obliterater
- opp
- Orange justice
- OMEGA
- Overkill
- optimums prime
- Operah
- orville
- Ocelot
- Ozymandius
- Orbit
- Orca
- Obi wan
- oh great one
- obeseman
- october
- Osbourne
- Oak
A Superhero name with O listán szereplő szavak a Ország Város szójáték játékosaitól származnak.