Hero with O
Mythic hero from Norse lore; chief of the Aesir.
Heroic Autobot leader from Transformers.
Greek myth hunter-hero; placed among the stars.
Saitama, the One-Punch Man, parody superhero.
Omni-Man (Nolan Grayson), powerful antihero.
DC’s Green Arrow; billionaire bow hero.
Greek epic hero of the Odyssey; crafty king.
Omni-Man from Invincible; fearsome superhuman.
Kids’ TV team of undersea heroes; valid group.
Greek myth hero; famed musician who braved Hades.
DC hero alias of Barbara Gordon; tech genius.
- Owl man
 - omega
 - Oliver twist
 - Owlman
 - Oedipus
 - octavius
 - obi wan kenobi
 - Old man
 - Omen
 - Ozymandias
 - otto octavius
 - Octo man
 - Obelix
 - Oscar wilde
 - Okoye
 - Obliterator
 - Osiris
 - ocean
 - Otto
 - Orville Wright
 - Omega man
 - Owl
 - Osmosis Jones
 - Oppenheimer
 - omni-man
 - omar
 - Ogre
 - Ozone
 - Oswald
 - oreo man
 - Opal
 - Onyx
 - Om puri
 - Olivia
 - oden
 - Obi wan
 - Oberon
 - Overwatch
 - Osama
 - orochimaru
 - oreo
 - Open
 - om prakash
 - Omega red
 - olive
 - Officer of the law
 - Officer
 - Octavia Spencer
 - Obituary
 - Obadiah
 - Ox man
 - o-man
 
The words in the list Hero with O come from players of the word game City, Country, River.