These profiles represent (for the most part) individuals. Certain collective beings may be found here as well. Heroes and Villains, Cosmic entities, and civilians are the major examples.

O (MI-13 quartermaster, Captain Britain & MI-13 character) - by Loki

Oa the Living Planet of Earth-9602 (Amalgam character)

Oak (Warpies)

Oakland (Thor character)

Obar (Magneto's mutates)

Obb (Deadpool character)

Obeahman (Hellstorm character)

O-Bengh (possibly Cagliostro)

Ober, Wally (window washer, saved by Llada) - by Grendel Prime

Ober, Walter (great-grandfather of Wally)

Oberbeck, Tristam (Blacklung the Malady Man, All-Hate Squad)

Oberlin, Randy (Iron Fist character)

Obituary (O-Force)

"Obi-Wanna-Be" (Charlie Weiderman)

Obliterator (Elder of the Universe, Silver Surfer foe) - by Norvo

Obliteron (dark Celestial, Final Host member) - by Proto-Man

Oblivion (Iceman/Quasar foe) - by MarvellousLuke

Oboroth (Inhuman, X-Men foe) - by Chadman

O'Breen, Fergus (Glorianna's father)

O'Breen, Glorianna (Foggy & Daredevil ex-girlfriend) - by Chadman

Obrien (Broodlings of Chthon)

O'Brien (WWII-era FBI agent)

O'Brien (Great Video's former housekeeper)

O'Brien (Daredevil character)

O'Brien, Bernard (NYPD, Peter Parker character) - by Copeinator123

O'Brien, Jeff (NYPD, Sir victim)

O'Brien, Matthew (Hangman foe) - by Prime Eternal

O'Brien, Randy of New Universe (DP7, Antibody) - by Prime Eternal

O'Brien, Turlogh Dubh (Irish warrior, Bran Mak Morn character)

Obsession (Dusk)

"Obsidian" (Guerreros del Sol, Scarlet Spider/Hummingbird foe)

Ocam the Watcher (Quasar character)

Ocampo, Sonny (security guard/private investigator, former criminal, Black Cat character) - by Chadman

Ocar (philosopher, Pre-Cataclysmic Atlantis)

Occidental (They)

Occult (Peeper, Resistants member)

Occultist (Spider-Man foe) - by Minor Irritant

Occulus (Fantastic Four character)

Ocelot (Warpies, RCX member, Excalibur character) - by Loki

Ocelot (O-Force)

Ocean (O-Force)

Ochelo, Samalie (Muties character)

Ochoa-Diaz, Desmond (mutant, Fauna)

O'Connell, Dr. Jeannine (Project: PEGASUS)

O'Connell, Maire (sorceress, Magik ally) - by Markus Raymond

O'Connell, Taryn (U.S 1 character)

O'Connor (Corporation)

O'Connor, Gilbert (Accutech)

O'Connor, Harry (Ghost Rider (Blaze) character) - by Proto-Man

O'Connor, Miss (Namor character)

O'Connor, Teresa of Earth-98120 (Estigma)

Octavius, Dr. Otto

Octobliterator (extradimensional octopod, Squirrel Girl character) - by Chadman

"Octo" Doctorpuss, the Cat o' Nine Tails of Earth-7840 (humanoid animals)

Octodroid (robot Dr. Octopus creation, Marvel RPG) - by David Lawrence

Octo-Lizard of Earth-12177 (mutate rebel, Thunderbolts character) - by Chadman

Octo-Monster (Lizard Men) - by Prime Eternal

octopus of Swampland of Terror (Lorna foe)

Octo-Sapien (Hulk foe) - by John Kaminski

Octo-Spidey of Earth-11983 (Peter Parker) - by Proto-Man

Oculist (Blaze character) - by Markus Raymond

Oda (Marvel Italia, Lords of War)

O'Damia, H.R. (Sparrow, Underground Legion)

O'Dare (Crusader)

"Odalisk" (Calliope's Circus)

Odashu, Genji (Shogun Warriors pilot) - by David Lawrence

O'Day, Bubbles (Conspiracy)

Oddball (Death-Throws, Elton Healey) - by Chadman

Oddball of Earth-9511

Oddball (Death-Throws, Orville Bock) - by G Morrow

Oddbrand Otter (Asgardian character)

Odd John (Micronauts foe)

Oddt, Professor Hugo (Dorkham Asylum)


Odongo (N'Yaga, Conan foe)

O'Donnell, Eamon of Otherworld (Keeper of Cassidy Keep, X-Men character) - by MarvellousLuke & Proto-Man

O'Donnels, Patty (Pulitzer Patty)

O'Doughan, Terri (Mr. Immortal's first girlfriend) - by Proto-Man

O'Dowd, Duke (WW2, Human Meteor)

Odukoye, Dr. (Katherine Summers' doctor)

Odysseus (Greek hero) - by Will U

Oedi (the elder) of Reality-8116 (Caldor/The People)

Of (Brotherhood of Evil Prepositions, Howard the Duck character)

O'Farrell, Artie (porn producer, Karen Page character) - by Chadman

O'Farrell, Jim (porn producer, Artie's brother)

Officer Andrews (San Francisco first responder) - by Chadman

Officer Bielski (NYPD, Daredevil character)

Officer Brady (Cloak & Dagger/Mayhem foe)

Officer Brick (corrupt police officer)

Officer Kris Cleary (Cloak & Dagger/Mayhem character)

Officer Coogan (NYPD, Kingpin agent)

Officer Demin of Earth-75011 (Peddler, Slow Glass)

Officer Clair Dodge (Typhoid character)

Officer Dragon imposter (Nova character) - by Madison Carter

Officer Foley (1950s, caught Earl Ferrol)

Officer Greene (NYPD, corrupt)

Officer Gun (Mr. Laughs foe, Spider-Man Magazine)

Officer Hegerfors (NYPD, Daredevil character)

Officer George Hill (Lockjaw story)

Officer Holloran (Pink Psychos)

Officer LaRoue (Xenophobic Man foe)

Officer Liebowitz (Matt Murdock character) - by Chadman

Officer Louis Mazzilli (Cloak & Dagger/Mayhem character)

Officer Menendez (NYPD, Muse victim)

Officer Mulcahay (NYPD, fought Micah Synn)

Officer O'Malley (World War II-era NYPD officer, Betty Dean ally) - by Proto-Man

Officer Outbody (Astral Plane Patrolman, Doctor Strange character) - by Loki

Officer Pacifico (Daredevil character)

Officer "Race" Racette (Westside Ripper)

Officer Scott (NYPD, Muse victim)

Officer Jay Sero (Native America NYPD officer, Iron Man (Tony Stark) ally) - by Proto-Man

Officer Simmons (Thor character)

Officer Spanner (police officer, killed by Paulo Scorcese)

Officer Stanley (NYPD, Kraven character)

Officer Stone (X-Statix character)

Officer Sweeny (1950s, caught Earl Ferrol)

Officer Trezza (Lockjaw story)

Officer Trumbull (police officer, killed by Paulo Scorcese)

Officer Wilson (San Francisco first responder) - by Chadman

Officer Z.E.R.O. (Code: Blue foe) - by Prime Eternal

Offset (Shi'ar Death Commandos) - by Chadman

Og, Ian (Clansman, 1692)

Ogada, Dr. (Damocles Foundation)

Ogar (guardian of King Solomon’s Tomb, Black Panther foe)

O'Gara, Heather (Blackbird/Jackdaw)

Ogarth (New Atlantean, 1950s) - by John Kaminski

Ogden (She-Hulk character) - by the Beetle

Ogeode (Crystar character) - by David Lawrence

Ogilvy, Robert (Sons of the Serpent, Daredevil character) - by Chadman

Ogor (Kallusian)

Ogor (Martian) - by John Kaminski

Ogord of Earth-691 (31st Century, Reavers of Arcturus)

Ogord, Stakar (Starhawk) of Earth-90110 (Cosmic Avengers)

Ogoun (African God, Ogun)

O'Grady, Chief (Code: Blue administrator) - by Prime Eternal

Ogre (Bonzo)

Ogre (X-Men & Thunderbolts character)

ogre (Asgardian, Raven Banner character)

Ogre of Ultraverse (Wrath foe) - by Grendel Prime

Ogre (Wicked Brigade)

Ogron (Maruthea, Bonjaxx's Bar patron, Doctor Who)

Ogrus of Earth-5555 (Death's Head (FPA) foe) - by MarvellousLuke

Oguot (Sputs, Tunnelworld)

Ogun (African (Vodu) god, Dr. Voodoo foe) - by Grendel Prime

Ogun (Wakandan security guard, Black Panther character) - by Prime Eternal

Ogun (Santerians)

Ogur (Mogul, Thor character)

O'Hanlon, Paddy (Gael)

O’Hara (Sweat Shop)

O'Hara (firefighter recruit)

O'Hara, Mrs. (Robert "Ironguts" O'Hara's wife) - by Chadman

O'Hara, Angel (Lilith character)

Ohara, Gedde of Earth-928 (Spider-Man 2099 character) - by Zerostar

O'Hara, Martin (Angel's father)

O'Hara, Miguel (Spider-Man) of Earth-928

O'Hara, Patrick of Earth-31913 (Web-Slinger)

O'Hara, Reuben (Tantra, X-Student)

O'Hara, Cmdr. Robert "Ironguts" (San Francisco Police Department, Daredevil ally) - by Chadman

O'Hara, Rose (Origin, Wolverine character) - by Stunner

O'Hare, Bridget (Sea Witch, Young Gods)

O'Hare, Kaitlyn of Ultraverse (Backstabber)

Ohnn, Dr. Jonathan (Spot)

"O'Hoolie" (Sergius O'Hoolihan)

O'Hoolihan, Sergius (Fantastic Four character) - by Norvo

O-Inari (Inari)

Oinari-sama (Inari)

Oink (O-Force)

Oizys (Olympian goddess of misery) - by Proto-Man

Ojeeg (Baron Karza foe) - by Grendel Prime

Ojo (Phantom Rider (Carter Slade) foe)

Ojo Macabra (South American super-hero, Zeitgeist victim) - by Prime Eternal

Oka'an (Dark Dimension ruler)

Okada, Col. (Iron Man character)

Okonorote (Incan God)

O'Koren, Mr. (father of Billy & Mary Elizabeth O'Koren)

O'Koren, Mrs. (mother of Billy & Mary Elizabeth O'Koren)

O'Koren, Billy (aided Daredevil in bringing Hogman to justice)

O'Koren, Mary Elizabeth (bought drugs from Hogman, overdosed)

"Okraas" (demon associates of Orleans Cooper)

Okzik (pre-FF alien) - by John Kaminski

Olafsen, Bruce (Bruto the Strong Man, Circus of Crime)

Olar (Brethren)

Olav (Conan ally) - by Prime Eternal

"Old Casanova" of Earth-57780 (spent time with Aunt May)

Old Clem (Clem Barstow)

Olddan, Miles (Living Mummy character)

Old Devil (Scribe)

Old Devil of Earth-717

Oldest of All Wizards (Master Khan)

"old friend" (Dr. Zero)

"Old Funny Face" (George Masterson)

Old Grey Beard (Gandalf)

old guy (Mandate, Wolverine character)

Old Hattie (Capo agent, Inhuman psychic)

old inventor (created Phantom Bullet's gun)

Old Izak of "Earth-8116" (Izak)

Old John (Haggard/Grimjack)

"Old" Joseph (highwayman, Howard Douglas rival)

Old King Cole (nursery rhyme character)

old lady (fallen angel Lucifer host)

Old Lady Squirrel Girl of Earth-61340 (elderly time-displaced Squirrel Girl counterpart) - by Chadman

"old man" (Elod Kisfaludi)

old man (encountered Dralla)

old man (encountered Ch'manu)

"old man" (Man-Thing character)

"Old Man" (Willis Striker foe)

"Old Man" (Ogeode)

Old Man (Starbrand wielder) - by Prime Eternal

Old Man (Ken Connell, Star Brand wielder)

"old man" (Zum Corporation)

"Old Man" (Cloak's "precursor", Shadow (Larry Cranston) homage)

Old Man of Ultraverse (Freex character) - by Luis Dantas and Snood

Old Man (Verdelet)

"Old Man" (Cole)

"Old Man" Jameson (Daily Bugle, World War II)

Old Man of the Mountain (Hassan ibn Sabbah)

Old Man of the Mountain (Rashid ad-Din)

"Old Man of the Sea" (Namor character) - by Markus Raymond

Old Man of the South Pole (Shou-Hsing)

Old Man Spider of Earth-4 (Ezekiel Sims, Spider-Man character) - by MarvellousLuke

Old Man Venom of Earth-17673 (Logan, Anti-Poison resistance leader) - by Proto-Man

Old Man X of Earth-4011 (White Ghost (John Howlett Jr.) )

Old M.O.D.O.K. of an unrevealed reality (grizzled, scarred being with glowing eye)

Old Nick (Mephisto)

Old Nick (Satannish)

"Old One" (Ak)

Old One (Golden Age, Terror (Pevely) foe) - by Ron Fredricks

Old One (Argonauts)

old one (Alpha Centaurian, Namor character)

Old One of Earth-Shadowline (Dr. Zero)

Old Sarah Mumford (Marvel UK) - by Loki

Old Scratch (Satannish)

"old stranger" (Elod Kisfaludi)

"Old Whitey" (Dallas Kid)

Old Wolf Heart (Wolverine ally)

Old Woman (Avatars of the Mandarin)

Old Woman of Beare (Glorianna O'Breen)

Old Woman on the Hill (Bova)

old worker (Harry Markham employee)

"old yeti" (Man-Thing character)

Oldow (Golden Age, Defender foe) - by Grendel Prime

Oldstrong, Kate (Kate Waynesboro)

Olebogeng, Theodore (Black Panther Character) - by Markus Raymond

Olebogeng, Walter (Theodore's brother)

Oleg (Namor foe) - by John Kaminski

Olga (unregistered flying superhuman)

"Ol' Hobby" (Roderick Kingsley, Hobgoblin)

Oliver (Demon-Fire)

Oliver, Frank (Kangaroo)

Oliveri, Felicita (NFL SuperPro character)

Olivetti, Charles (NY city councilman) - by Proto-Man

Olivier (demon, Punisher foe) - by Squid

Olivier (Egyptologist, partner of Professor Stanley)

Ollakook (Santa Claus)

Ollerus the Unmerciful (Defenders foe) - by Chadman

Ollsen, Jack (Joel Flood trial)

Olnar (Dark Dimension ruler) - by Jean-Marc Lofficier

Ologen (Oracle Adventures security agent)

Olórin (Gandalf)

"Ol' Roddy" (Roderick Kingsley, Hobgoblin)

Olsen ("Duckworld")

Olsen, Dr. (scientist, served Nazis)

Olson, Tara (Thor Girl)

Ol' timid Timothy (Timothy Quail)

Oltnam (Contraxian, Jack of Hearts foe)

Olvidos, Manuel (Team America/Thunderiders character)

Olympian God of the Underworld (Pluto, Olympian)

Omar (Sinbad's crew)

Omar (Sando's partner, Captain America/Bucky foe)

Omar of Earth-78423 (Fatty Thieves, Howard the Duck foe)

Omar ?? (Captain America character)

Omar (X-Statix character)

Omar, Colonel (Golem enemy)

O'Malley (World War II-era NYPD officer, Betty Dean ally) - by Proto-Man

O'Malley (police officer)

O'Malley, Captain (Namor character)

O'Meara, Shan of Earth-691 (31st century, computer system engineer of Sol III)

Omega (Fantastic Four foe)

Omega (Man-Beast)

Omega of the Thanosi (Infinity Abyss character)

Omega ("Ultravengers")

Omega-20 of Earth-700 (First Line character) - by Norvo

Omega Ray (Asteroth)

Omega Red of Earth-9112

Omega Skrull of Earth-982 (MC2, Apox)

Omega the One-Man Army (Scramble)

Omega the Unknown (Model X3Z, alien Protar artificial being/Earth hero) - by Julien Vive & Snood

Omegatron (Defenders foe) - by Stunner

Omen (Legion of the Night)

Omen, Nathaniel (Captain Omen)

Omerta (Italian hero, Alpha Flight character) - by AvatarWarlord72

Omerta (Paulie Provenzano, X-Men member) - by Norvo

Omeyocantli (Serpent Men)

Omir the Snake Charmer (Circus of Death member) - by Chadman

Omm (Spider God, Conan character)

Ommennon (Tunnelworld?, mentioned only)

Omni-Father (Zuras)

Omnipotent Oshtur (Oshtur)

Omnipotentis (extradimensional cosmic being, Moon-Girl & Devil Dinosaur character) - by Minor Irritant

Omniscient One (Asti the All-Seeing)

Omnivore (Quasar foe)

Omoro (Wakanda security chief) - by Prime Eternal

Onanwro, Yan of Earth-691 (31st century, chief security officer of Sol III)

Once and Future King (King Arthur)

Once and Future Thor (Dargo Ktor) - by Snood and Doc Savage

"One" of Earth-74113 (Sise-Neg)

The One (repository of the knowledge of the Watchers, Fantastic Force/Fantastic Four character) - by Donald Campbell

One (Divine Wolf/Shu-Hu)

The One (K'un-Lun robot, Iron Fist foe)

One (Stealth Inc.)

One (Hulk character)

One Above All (Soul Survivors)

One-Armed Bandit (Jackpot)

One-Eye (Old West, el Sombro foe)

"One-Eye" (Psyklop)

One-Eye (neanderthal)

One-Eyed (Akif of Jarabesht)

One-Eyed Joe (Skrulls of Kral)

One-Eyed M.O.D.O.K. of Earth-61422 (singular-eyed mastermind)

One From Beyond (Beyonder; also see Kosmos)

Onehand (Church of the Sheltering Hands, Daredevil foe)

"One-I-Hate" (Joe MacTaggert)

One-Kilometer tall Man (Temujai)

107 (Psigns of the Times)

O'Neal, Kwame (hospital security officer, Daredevil character)

O'Neil (security guard, Spider-Man character)

O'Neil (Commander, Free Divers)

O'Neil (Commissioner, Shadow City)

O'Neil, Bridget (Fantastic Four character) - by The Beetle

O'Neil, Lucius (Mangler)

O'Neill of Earth-88194 (Shadowline, Merchants)

O'Neill, Ms. (Kingpin employee)

"One-Man Army" (Arsenal/Nimrod Strange)

One-Man Atrocity (Fight Man/Agent X foe)

One-Man Zodiac (Ghost Rider foe)

"One Robot Humanoid Horde" (Humanoids)

1X (Dr. Jerome Hamilton)

1000-Year-Old Son of a 1000-Year-Old Mother (Hassan ibn Sabbah)

1400 Club Leader (Spider-Man & Foreigner foe)

Oninjay (Firemane, Force Four)

Onionhead (Split-Second Squad)

Oni Yew of Earth-2301 (Mangaverse, Punisher foe) - by MarvellousLuke

Ono, Kosei (Genji Odashu's lawyer, Shogun Warriors character)

Onslaught (Imperial Guard)

Onslaught (psionic entity, manifestation of dark egos of Charles Xavier & Magneto, X-Men/Avengers/Fantastic Four foe) - by Norvo

Onyx (Broker's slaves)

Onyxx (Sydney Green, X-Student) - by MarvellousLuke

Oog (pre-FF monster) - by Madison Carter

Oona's mate (at Odin's auction, Land of the Golden Star)

Oonagh Mullarkey (Marvel UK, Gena-Sys)

Ooog (xt, Martians, Homer Ghost character)

Oort the Living Comet ("Quicksilver foe", Legion of the Unliving)

Ooru (Captain Mar-Vell foe) - by Spidermay

Ootah of the Negative Zone

Ooze (O-Force)

Opal ?? (She-Hulk character, talk show host) - by Will U

"Opaque" (Tigra foe)

Opar (Tagak ally)

Operative 12 (Kashmir Vennema-12083)

Operative A.1416 (Brain Drain)

Operative M (Nihilist Order)

Operative X (Lightner/Nth Man/Mysterium)

Operator (Lenny Flynn)

Ophelia of Earth-199999 (A.I.D.A., Agents of S.H.I.E.L.D. TV series)

Opsidian the Dark (Gene Nation)

Optiman (O-Force)

Optinuts Prime (squirrel, Squirrel Girl ally)

Ora (19th century, Dracula victim)

Oracle of Lemuria (Sinbad character)

Oracle (Inhuman character) - by Spidermay

Oracle (Shi'ar Imperial Guard) - by Chadman

Oracle (Sehv) - by Greg O

Oracle (S.H.E.)

Oracle (O-Force)

Oramosha, Dr. Kishi (Deadline)

Oranah (Stag God)

"Orange" of Earth-5555 (Freedom Fighters)

Orann (sorcerer, enemy of Cat People)

Oranna (voodoo priestess)

Orastes (Hyborian era)

Ora-Tikwa (Old West, Red Warrior character)

Orator (Magneto character) - by Norvo

Oratz (former head of Dallas, Texas hospital burn ward)

Orb (Ghost Rider foe)

Orb (Zadkiel/Danny Ketch associate) - by G Morrow

Orb (Neo, X-Men foe) - by MarvellousLuke

Orbal, Zania (Universal Church of Truth, Guardians of the Galaxy foe)

Orbin (Conan character)

Orbit (Spacemen)

Orbit (O-Force)

Orbiting Coffin (Ray Coffin)

Orblog (alien pirate, Deadpool Corps foe) - by Chadman

Orb Weaver (Galactic Alliance of Spider-Men member)

Orc (Urthona's Champion)

Orchid (Blackstone the Magician foe) - by Grendel Prime

Orchid (O-Force)

Ord, Prax (Incentaurian, Metallic Titan)

Oregon (Gorilla-Man (Ken Hale) )

O'Reilly, Clyde (vampire, 1950s) - by Markus Raymond

O'Reilly, Eveline (Abraham van Helsing's daughter, Dracula character) - by MarvellousLuke

O'Reilly, Sean (Daily Bugle staff)

O'Reilley, Seymour (Spider-Man character, Midtown High School bully) - by Snood & Mike Fichera

Orekhov, Vladimir (Dr. Volkh, Bogatyri)

Orestez (Elektra's brother)

Orestus (Argonauts)

Orff, Noel (Captain America character)

Orffyreus (Stonecold)

Organizm 0.9B (Sludge character)

Organizer (Daredevil foe)

Orge (Orgesky's partner)

Orgesky, Dr. (mutated Elk Diamond)

Orgg (Harry Grubb)

Ori (Yakuza, Sano Orii ally)

Ori, Sen. Stan (corrupt politician, Punisher foe) - by Proto-Man

O'Rielly, Brigid (Mayhem)

Orifice (O-Force)

Origin (Cosmic being, Quasar character)

original Yancy Streeter (Daniel Grimm Jr.)

Orii, Kenzo (Yakzua, White Tiger (Del Toro) foe) - by Chadman

Orii, Sano (Kenzo's son, White Tiger (Del Toro) foe) - by Chadman

Orikal (Thor character)

Orini (Dr. Strange foe) - by Jean-Marc Lofficier and Prime Eternal

"Orio" (Deviant Horde)

Oriole (Air Force) - by LV

Orion (Truthsayer's dog)

Orion, Kara (Daredevil character) - by Chadman

Orion Rex (Marvel Boy (Grayson) foe) - by John Kaminski

Orizaba (sorcerer, Costaguay) - by AvatarWarlord72

Orizaba, Theresa ("Blood-Beast", Costaguay) - by AvatarWarlord72

Orka (the Human Killer Whale, Namor foe) - by Chadman

Orkie (Hank Pym's dog) - by Julien Vivé

Orksa (Deadpool character)

Orlando (Masque victim, Ghost Rider character)

Orlando (Owl employee)

Orlova, Lisette of Earth-917 (Reed Richards' wife) - Zerostar

Orm (Dimension of Exiles)

Ormraxes (Eithriall the Invincible)

Ormuz (Conan foe)

Orne'q (Conan character)

Ornstein (Kingpin colleague)

Orogo (Journey into Mystery) - by Future

Orogo the Mighty (Orogo) - by Future

Ororogue of Earth-989112 (Rogue/Storm)

Orphan (extraterrestrial creature) - by Markus Raymond

Orphan (Mr. Sensitive, X-Statix) - by Proto-Man

Orphan Maker (X-Factor/X-Men/Generation X foe) - by Chadman

Orphan-Maker (Orphan Maker/Peter)

Orphelus (Dracula character)

Orpington-Smythe, Nigel (Peter, RCX)

Orrek (Homo mermani)

Orrgo (Defenders foe, pre-Marvel monster) - by Stunner

Orrie ?? (roadhouse owner, possessed by Venom clone)

Ort-Beast (Hulk foe) - by Chadman

Ortega, father (Hellstorm character)

Ortega, Nicol (Slug employee)

Ortez (boxer)

Ortiz (Spanish Kings gang leader, Falcon character) - by Proto-Man

Ortiz, Jaime (Damage)

Orugawa, Princess Akiuki of Earth-1211 (Black Dragon Society)

Oruthu (worshipped by Jeremiah)

Orville ?? (Howard the Duck's "brother", "Duckworld")

Orwell (Brotherhood)

Orwell, Oliver (MI-13 quartermaster, O)

Os, Kyzerra (Deviant, Mole Monster's mother)

Osaku (Snakeroot)

Osama el-Braka (suspected identity of Howard the Duck)

Osato of Earth-1211 (Black Dragon Society)

Osborn, Harry

Osborn, Jim (Spider-Man impersonator, Top Dog ally) - by Grendel Prime

Osborn, Norma of Earth-1983 (Spider-Man character) - by David Lawrence

Osborn, Norman (Green Goblin)

Osborne, Alice (1950s, vampire)

Osborne, Harry (1950s, vampire victim)

Oscar ?? (Daily Bugle intern)

Oscar ?? (doorman)

Oscar ?? (X-Student, X-Cutioner victim) - by MarvellousLuke

Oscuram (Darklove)

O'Shaughnessy, Anna (Irish, Sub-Mariner ally)

O'Shaugnessy, "Knuckles" (Ghost Rider character) - by Loki

O'Shaughnessy, Sergius (newspaper column writer) - by Chadman

O'Shea, Heidi (Avengers character) - by Proto-Man

Oshtur (Elder God, Vishanti member, Doctor Strange character)

Oshun (Santerians)

Osiris (Egyptian god) - by Will U

Oskar, Rachel (Ratatoskr)

Osnick, Oliver "Ollie" of Earth-982 (Steel Spider)

Osprey (Frightful Four try-out member) - by John Kaminski

Osprey (Pol Tiurno)

Ossawa (Old West condor, Red Warrior foe)

Ossem (former King of Atlantis) - by MarvellousLuke

Ostara (Oshtur)

Ostinato (X-Force member)

O'Sullivan, Solomon (X-Statix rival) - by Proto-Man

Oswald (Brotherhood) - by Zerostar

Oswald, Lee Harvey of Earth-9007 (WCA story)

Otanes (Zugite)

Otar (xt, Feruvians)

Otetsukun (Japanese giant robot, Fantastic Four character) - by Madison Carter

Othbaal (Conan foe) - by Spidermay

Other (Chthon)

Othna Mak Morn (Pict, Bran Mak Morn's great-grandfather)

Otkid the Omnipotent (Dr. Strange foe) - by Grendel Prime

Otmu the Watcher (Oblivion Plague, Quasar character)

Otny (Asgardian troll, Raven Banner character)

Otomo (Gene Dogs enemy)

Otomo (Machine Man ally) - Sammy 7D and Prime Eternal

O'Toole (1950s, Sven the Spider-Killer's boss)

O'Toole, Donny (reporter) - by Chadman

O'Toole, Gimpy (Marvel Mini-Book, Captain America foe)

O'Toole, Leila (Plasma)

O'Toole, Megan (Burnout)

O'Toole, Quentin (Punisher's ally) - by the Beetle

O'Toole, Timothy (Korean War soldier, Battle character) - by Prime Eternal

Otos (Aloadai, Ares foe)

Otterson (colleague of Horatio Piper)

Otto ?? (Hugo von Stahl victim)

Otto ("Wise Ones", Doctor Doom character)

Otto (Miss Mech's Super Squad)

Otto of Earth-91918 (former pet of Kraven)

Ouija (Alpha Flight trainee) - by Norvo

"Our li'l Doomanatrix" (Leather Boy)

"Our Lord Godhead" (Celestial)

Ousir (Osiris)

Outback (Wanderers)

"Outback" (Tigra foe)

Outcast (Old West, Western Gunfighters) - by Grendel Prime

Outcast (Xorak the Outcast)

Outcast (Yuri Petrovitch, Crimson Dynamo)

Outcast (Lilin, Midnight Sons foe) - by Markus Raymond

Outlaw (Death's Head-Minion)

Outlaw (Punisher character)

Outlaw (Deadpool/Agent X ally) - by Patrick D Ryall

"Outrageous S-Boy" (Spider-Boy, Amalgam Universe)

Ou'zli (Shi'ar, Starblast character) - by Chadman

Ovada (Conan foe)

Overdrive (Spider-Man foe) - by Minor Irritant

overfleet commander (xt, Drenx)

"Overgrown Eggplant" (Vicious Vine)

Overkill of Earth-691 (Guardians of the Galaxy foe) - by Markus Raymond

Overkill (O-Force)

Overkiller (mutant hunter, Slapstick foe) - by Patrick D Ryall

Overknight (Chess Set)

Overlay (X-Student) - by MarvellousLuke

Overlord of Reality-6966 (Silver Surfer foe) - by Stunner

Overlord (Kearson Dewitt)

Overlord of Dimension X (Slapstick foe) - by Patrick D Ryall

Overlord of the Underworld (Pluto, Olympian)

Overman (Master of the World)

Overmaster (Thog)

Over-Mind (Fantastic Four foe, Defenders member) - by Chadman

"Overpower" (Override)

Override (partner of Aura, Scarlet Spider/Spider-Man/Spider-Woman foe) - by Minor Irritant

Overrider (Captain America and SHIELD II foe)

Overseer (Iron Man foe)

Overshadow (Voight)

Oversight of Earth-88194 (Shadowline, Merchants)

Oversize (Shadow Force)

Overtime of New Universe (Linsdey Falmon)

Overtime (Hector Bautista)

Owayodata (Native American god, Red Wolf patron) - by Will U, caliban & Prime Eternal

Owdaheere, I.M. (Vanisher)

Owl (Leland Owlsley, Daredevil foe) - by Chadman

Owl (Dr. Strange character) - by Markus Raymond

Owl of Earth-717

Owl, Ethan (Ghost Dancer character)

Owl, James (Ghost Dancer, Marvel UK)

Owlsley, Leland (Owl)

Owlwoman (Marvelman/Miracleman character)

"Owner of the world's only time machine" (Willy Phelps)

Owsley, Brigadier General (Defenders character)

Ox (Blonde Phantom foe) - by Spidermay

Ox (Karl Stragg)

Ox (Night Raven foe)

Ox of Earth-38191 (Moussa agent, Blink foe)

Ox of Earth-80219 (Enforcers)

Oxbow (First Line member) - by Norvo

Oxford Blue (Euro-Trash)

Oxo (Special Executive)

Oxton, Henry (archeologist, Azazel foe, Cable story)

Oya (Santerians)

Oyakata (Deadpool employer) - by Patrick D Ryall

Oyama, Kenji (Lord Dark Wind)

Oz, Dr. Malachi (Woodgod foe) - by Markus Raymond

Ozaan (Frog-Man foe)

Ozak (pre-FF alien) - by John Kaminski & Ron Fredricks

Ozaki, Keigo (Vision character) - by Proto-Man

Ozamm (pre-FF monster) - by Future

Ozarks Kingpin (backwoods crime boss, Deadpool ally) - by Proto-Man

Ozawa, Osama (Colleen Wing's great-uncle, X-Men character) - by Norvo

Ozel (Inhuman) - by Markus Raymond

Ozone (O-Force)

Ozt (xt, shrunk Mark Coren)

Ozu (Cutlass foe)

Back to Characters

All characters mentioned or pictured are ™ and © 1941-2099 Marvel Characters, Inc. All Rights Reserved. If you like this stuff, you should check out the real thing!
Please visit The Marvel Official Site at:

Special Thanks to for hosting the Appendix, Master List, etc.!