Superhero name with O
- Marvel god character from Asgard 
- Leader of Autobots from Transformers 
- Marvel cosmic entity 
- Hero from Invincible series 
- Variant spacing, same as Omni-Man 
- Anime hero with unbeatable punch 
- DC New God superhero 
- Lesser-known comic book superhero 
- DC hero identity of Barbara Gordon 
- Real name of DC’s Green Arrow 
- Marvel alien character 
- Anime hero with unbeatable punch 
- Marvel villain Doctor Octopus’s real name 
- Marvel hero from Black Panther's Dora Milaje. 
- Watchmen character (DC); a known superhero alias. 
- Marvel supervillain from X-Men; widely known name. 
- DC supervillain; well-known name from comics. 
- Osiris
- Omni-man
- Owl
- Oclin
- Owlette
- Obi Wan Kenobi
- Obituary
- Onyx
- omen
- olympus
- Orpheus
- Odysseus
- ozone
- Owlet
- Obelix
- Onslaught
- Octonaut
- octaman
- Octagon Man
- optimus
- Orphan
- Olympia
- Olivier
- Otto octavious
- Oso
- Osmosis jones
- Osborn
- orochimaru
- Orlando cops
- Obsidian
- onceler
- oceanman
- olly
- olga
- Oilman
- Octonaughts
- octo-man
- Octodad
- Octavio
- oatman
- Orca
- Omicron
- octupus man
- octupus
- Octavian
- Ocelot
- Obi wan
- obito
- oggy
- Odinson
- Obie Wan Kanobe
A Superhero name with O listán szereplő szavak a Ország Város szójáték játékosaitól származnak.