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AKA: J'onn J'onzz/John Jones
"My name is J'onn J'onzz. I am the sole survivor of a ravaged world. I will not see the same thing happen to Earth."A Martian who was accidentally teleported to Earth by Professor Erdel, J'onn J'onzz assumed the guise of recently deceased detective John Jones in order to fight crime on Earth, and conceal himself from humanity. Outed by villainous Martian B'rett, J'onn joined the JLA, serving with them until his home planet was destroyed by Commander Blanx. Locating his few surviving people, J'onn tried to help them build new lives on Mars II, but was driven out by The Marshal, eventually rejoining the JLA.In the Post-Crisis world, Mars was retconned into having been devastated decades ago, and J'onn's time on Earth was lengthened considerably; he was now one of the few superheroes to have been operating from the 1950s until the dawn of the Modern Age. A founder and core member of the JLA, Post-Crisis J'onn is regarded as the "heart and soul" of the team.
- The Ageless
- Always Someone Better: Could be considered this to Superman.
- Artifact Title: The name Martian Manhunter, considering that he doesn't do as much detective work and became more of a straight alien hero.
- Bald of Awesome
- Bash Brothers: With Superman and Aquaman at various times.
- Combo Platter Powers: His power list could be considered this, but make more sense when you consider that all of his abilities (with the possible exception of martian vision) stem from his psychic powers or shape-shifting.
- Creepy Good: Although one of the most kind and noble heroes in the DCU, J'onn's glowing red eyes and stoic demeanor could scare some people.
- Chrome Dome PSI
- Darkand Troubled Past: Probably the most extreme example in the DCU (and that's saying a lot), as he witnessed the fiery death of his entire species, wandered the ruins of his home planet for an untold amount of years and was transported to a strange alien world (Earth) by accident.
- Dead Person Impersonation: His "John Hones" identity came from a deceased police officer.
- Deadpan Snarker
- Depending on the Writer: Pretty much everything about him, his powers or his backstory.
- Divergent Character Evolution: Started off as a Superman replacement in the justice league (Right down to New Powers as the Plot Demands), but became more established as the otherworldly alien that Supes wasn't as his shape-shifting and telepathy became more emphasized.
- Desperately Looking for a Purpose in Life: His initial motivation for becoming a detective on earth.
- Flying Brick
- Genius Bruiser: One of the strongest and wisest DC superheroes.
- Gentle Giant
- The Heart: Of the Justice League of America in Post-Crisis continuity.
- Heterosexual Life-Partners: With Aquaman.
- Humorless Aliens: Might seem like one, is actually very warm and friendly by Martian standards.
- I Have Many Names: He's had several secret identities, most of which he's since retired.
- Lightning Bruiser: Possesses strength and speed comparable to that of Superman and Wonder Woman.
- Mind Over Manners
- Mission Control
- New Powers as the Plot Demands: Had this bad in the silver age, from straining gold from seawater, to seeing into a future which will not happen to manipulating the earth's magnetic field to walk on water. Has been toned down since, but is still a living Swiss Army knife.
- Personality Powers: Averted with his shape-shifting, as he is very calm and serious. Played straight with his telepathy.
- Primary-Color Champion: J'onn may be green, but what few clothes he wears are classically heroic red and blue.
- The Quiet One
- Real Men Wear Pink:
- J'onn is a stoic but sensitive Warrior Poet who loves eating Choco cookies.
- Infamously, he had an identity named after Sailor Mars.
- Shadow Archetype: Of Superman. While both J'onn and Superman are powerful, heroic aliens who suffered the loss of their respective races, they are very different in the respect that Superman considers earth his true home and sees himself as human. J'onn on the other hand grew into his adulthood on Mars. He accepts earth as his new home but will always have reverence for Mars.
- Shapeshifter Default Form: A strange example of this. J'onn's familer "superhero" form is a compromise between a human form and his true more alien appearance.
- The Smart Guy: Of the Justice League, along with Batman.
- Space Police: His former career as a Manhunter has sometimes been portrayed as this.
- The Stoic
- Superpower Lottery: One of the DCU's greatest winners, including:
- Eye Beams: Referred to as "martian vision". Has been depicted as a blast of heat, disintegration and concussive force Depending on the Writer.
- Healing Factor: Can regenerate from almost any injury. A result of his Shape-Shifting.
- Invisibility: Can vanish from sight with ease.
- Nigh-Invulnerability: To anything that isn't fire.
- Psychic Powers
- Super Speed: Again, on par with Superman. Used mostly for travel.
- Super Strength: Comparable to that of Superman.
- Voluntary Shape Shifting: Can change his shape, form or color.
- X-Ray Vision: Has this, Depending on the Writer.
- Weaksauce Weakness: Fire. How bad it is, and whether it is psychosomatic or not varies, but it is always a problem.
Diane MeadeA police officer who served as John Jones' partner in the Silver Age, and as a member of his detective agency in the Modern Age, making her one of his few supporting cast members to have any sort of staying power.
AKA: M'gann M'orzz/Megan Morse
"I don't want you hurting any more Earth people. That wouldn't be nice."A White Martian with a conscience, M'gann M'orzz joined Earth's Teen Titans' while pretending to be another surviving Green Martian. She is something of a protege for J'onn, serving as a surrogate niece to him.
- Cute Bruiser: Looks like a cutesy teenage girl. Hits near as hard as J'onn himself.
- The Cutie
- Expy: Many fans thought of her as one of the cartoon's Starfire in terms of personality.
- Green-Skinned Space Babe
- My Species Doth Protest Too Much: The only gentle, loving member of the otherwise Always Chaotic Evil White Martian race.
- Red-Headed Hero
- Superpower Lottery: One of the DCU's greatest winners, alongside J'onn:
- Healing Factor: One reason she's as hard to kill as she is.
- Intangible Man: Sometimes used instead of Nigh-Invulnerability, and sometimes with it.
- Invisibility: Can vanish from sight with ease.
- Nigh-Invulnerability: To anything that isn't fire.
- Psychic Powers: Including telepathy, and telekinesis
- Super Speed: Mostly used for travel rather than combat.
- Super Strength: Within the top tier in the DCU.
- Weaksauce Weakness: Has the usual Martian problems with fire, but even more exaggerated, losing control of her form and dissolving when exposed to flame.
"To protect myself I started a war..."A Bronze Age Femme Fatale who encountered J'onn J'onzz on several occasions, Bel Juz was a treacherous Desert Dweller (Green Martian), who sold out her surviving people to Thythen invaders, in the aftermath of Commander Blanx's attempted genocide. When the Thythen were defeated, Bel became involved with The Marshal of the Red Brotherhood, encouraging his invasion of Earth in a desperate attempt to cover up her involvement in the near destruction of her people.
- Blondes Are Evil: While her hair was lilac in her first appearance, it was blonde in her second.
- Femme Fatale: A classic example.
- Green-Skinned Space Babe: And one of the first to appear in the Manhunter's stories.
- It's All About Me: Cared about only herself, willingly selling out her near-extinct race, and later starting a war in an effort to improve her own position.
- Manipulative Bastard: Bel's all about getting somebody else to do the fighting for her.
- Military Coup: Encouraged The Marshal to make one.
- Secondary Color Nemesis: Orange leotard, purple cape.
- Small Role, Big Impact: Bel only appeared in two Bronze Age stories, but her manipulations ruined J'onn's political career, and were responsible for him rejoining the JLA. Without her, J'onn's current role as "heart and soul of the JLA" might never have come about.
- Smug Snake: Never quite as bright as she thought she was, and with a penchant for backing the wrong horse.
- The Vamp
- You Gotta Have Blue Hair: It was lilac in her first appearance.
One of the DNAliens created by Cadmus Labs, Bette Noir is a hideous, immobile blob, incapable of leaving the laboratory in which she is imprisoned. She does however, have one thing going for her—the ability to project her consciousness out of her body and feed on the psychic energies of others. She clashed with J'onn a couple of times during his Post-Crisis, Pre-Flashpoint incarnation.
- Astral Projection: The only way that she can interact with the rest of the world.
- Blob Monster: Her real body is one.
- Body Horror: Bette's real body is an immovable mess, covered in faces and twisted limbs.
- Eerie Pale-Skinned Brunette: Bette's astral form has jet black hair and skin the colour of paper.
- Energy Absorption: One of her powers. She can steal and absorb all forms of power, storing it for future use.
- Fate Worse Than Death: When J'onn strips her of her powers and traps her in her ruin of a body.
- Gone Horribly Wrong: The experiment that created her was not aiming for an unmoving blob with the mind of a deadly, angry psychic.
- It's All About Me: Bette is only concerned with her own welfare.
- Mind over Matter: One of the 'verse's stronger telekinetics.
- Power Parasite: Can steal the abilities of others, keeping them for herself.
- Psychic Powers: A vastly powerful psychic.
- Telepath: Her main ability. Without it, she'd be totally incapable of communicating with the rest of the world.
- Vampiric Draining: Does it to her victims' minds, leaving them as Empty Shells.
- Villainous Crush: May have one on J'onn.
AKA: Benn Blanx
"According to the aliens' code, I could only sell Mars if I was the last living Martian..."The leader of the Pole Dwellers (Silver and Bronze Age precursors to today's White Martians), Commander Blanx was a cold-blooded opportunist who aimed first to conquer, then to enslave, and then finally, to annihilate, all Martian life, in a bid to sell the planet to an offworld mining corporation. Restarting the war between the Pole Dwellers and the Desert Dwellers, Blanx exiled his rival, J'onn J'onzz to the wastes, seized control of Mars, and then finally harnessed the Blue Flame of Mars to slaughter Pole Dweller and Desert Dweller alike. Killed in single combat by J'onn he has not appeared since.
- Alliterative Name: Benn Blanx
- Archenemy: During the Bronze Age, and retroactively, J'onn's entire Pre-Crisis career, being the one who started the war between the Desert Dwellers and Pole Dwellers, exiled J'onn to Earth, triggered the formation of the JLA, saw Martians ostracized on Earth, and finally, massacred everyone J'onn cared about, including his family. For all that his appearances were limited, Blanx's influence, and the effect that he had on J'onn, would be hard to top.
- Badass Cape
- The Big Bad: Of "And So My World Ends", the story that redefined Martian Manhunter, creating the version of the character that we all know today.
- Cowardly Lion: Blanx didn't like to fight, preferring to let others do it for him, but when he's finally cornered he proves a capable enough combatant, beating J'onn in their trident duel and nearly killing him.
- Duel to the Death: With J'onn.
- Evil Counterpart: J'onn's rival for political power on Mars, and his physical and intellectual equal.
- Evil Overlord: Of Mars, before he destroyed it.
- Final Solution: Blanx was told that he could not sell Mars unless he was the last living Martian. In order to work around this problem, he accordingly engineered a genocide.
- Greed: Was willing to exterminate his entire people in order to sell his planet to an alien mining company.
- Karmic Death: Crushed to death beneath a globe of Mars, the planet he ruined.
- Kill All Humans: Kill all Martians actually, but the result was the same.
- Kill It with Fire: Used the Blue Flame to burn all of Mars.
- Knight of Cerebus: Wiped out Mars, turned J'onn from a jovial crime fighter to a character defined by introspective angst, broke up the JLA, and helped to usher in the Bronze Age all in one issue.
- Lack of Empathy: When you make yourself the last survivor of your species all to make a buck, you are truly void of empathy.
- Prongs of Poseidon: He and J'onn fought their final duel with tridents.
- Secondary Color Nemesis: Blanx's costume is orange and green, in contrast to J'onn's red and blue.
- Small Role, Big Impact: Appeared twice. Redefined the Martian Manhunter forever.
"You let Mars burn! And Mars will forever smolder with the fire of your failure!"An alien tyrant who came into conflict with the JLA when he pursued two rebels to Earth, Despero has a long and ugly history with the Martian Manhunter, dating back to early in his conflict with the League. Reborn several times into a greater and greater engine of destruction, Despero lives for revenge against the League, with J'onn J'onzz at the top of his hit list.
- Archenemy: To J'onn in Post-Crisis continuity. While he's officially an enemy of the League as a whole, he truly despises J'onn and will go out of his way to kill him first whenever the League shows up. This is largely because J'onn is responsible for some of his more bitter and humiliating defeats, making him the one whom Despero, in his own words, "hates most of all." J'onn for his part fears and hates Despero right back, and the two have fought every few years from the 1960s into the present day, making them one another's longest running, most persistent, and most personal foes.
- Big Bad: In some of Martian Manhunter arcs and some Justice League but he is the closet thing to John has own in his series and he outlive the others.
- Demonic Possession: Has made a habit of bodyjacking others when his own is unavailable.
- Depending on the Artist: His appearance varies a lot.
- The Dreaded: Anything involving him is an "oh shit" moment. When he shows up, holding back is not an option, and it always takes multiple teams just to slow his progress. A single team going up against him is a suicide mission.
- Evil Counterpart: It's not as obvious as some, but Despero, with his history of isolation, longevity, religious ties, status as a leader on his world, Psychic Powers, and connection to fire is, at the end of the day, an evil version of J'onn J'onzz which is what makes the rivalry work. More on that can be found here.
- Full Frontal Attack: Following his second resurrection he usually wears a cape and nothing else.
- Galactic Conqueror: Originally. These days he's more of a walking engine of destruction.
- Genius Bruiser: Originally he was a Non-Action Big Bad who couldn't come close to holding his own in a fight, but these days he's a hulking giant with an intellect to match.
- Hero Killer: Regularly bests the League and J'onn in particular.
- Large And In Charge
- Motive Decay: Initially he was an alien despot looking for escaped rebels hiding on Earth. Then it was because he wanted revenge on the Justice League for humiliating him front of his subjects. As he got more-and-more powerful, this came up less-and-less. By the time he stole the United Nations' flag to use as a cape, it'd been essentially forgotten.
- Nigh-Invulnerability: Since his rebirth.
- Person of Mass Destruction: He frequently takes multiple teams to bring him down, and even that isn't always guaranteed.
- Physical God: More or less became one.
- Psychic Powers: A staggeringly powerful psychic, with a full range of telepathic and telekinetic powers.
- Power Of Hate: He is driven by unadulterated rage - tempered by a certain amount of cold cunning and pure hatred. Martian Manhunter once defeated him by using his mental powers to make him hallucinate killing all the heroes, at which point he declared he was satisfied and let go of all his hate and anger, regressing to a baby. Unfortunately, when he found out he had been tricked, his hate and anger came back and he returned to normal.
- Playing with Fire: Has gained pyrokinesis after being exposed to the Flame of Pytar.
- Religious Bruiser: After undergoing his rebirth as part of the Cult of Pytar.
- Super Intelligence
- Super Strength: Even by DC standards. He's easily one of the single most physically powerful beings in the entire DCU, second only to beings like Darkseid.
- Tranquil Fury: One thing that makes him dangerous is that he isn't just a hulking mass of fury, he's quite cold and clever about it.
- Token Evil Teammate: Forced to work as a member of the League at one point, alongside J'onn J'onzz no less.
- Unstoppable Rage: His utter hatred of the Justice League has made him driven by nothing more than fury.
- Took a Level in Badass: Originally a mental threat and nothing else, Despero has been repeatedly reborn in the Flame of Pytar, becoming more and more powerful with each incarnation.
The Human Flame
AKA: Michael "Mike" Miller
"Impossible? I'm the Human Flame, Milo. I eat impossible for breakfast and crap out unicorns!"A low-brow thug with just enough intellect to be dangerous to himself and others, Mike Miller was an absolute nobody, until he built a special flamethrowing suit in order to ward off the police and the Martian Manhunter. Incarcerated, he was eventually freed by Libra, who transformed him into a cyborg. Playing a pivotal role in the "death" of the Martian Manhunter, Miller had himself augmented again and again to try and ward of the JLA, eventually becoming a radioactive mass of living fire.
- Alliterative Name
- Badass Boast: "No one can extinguish the Human Flame!"
- Bald of Evil
- Cyborg: Rebuilt as one.
- Deal with the Devil: Made one with Libra to get revenge on J'onn J'onzz.
- Dumb Muscle: Despite his ability with engineering, Miller is still little more than a street thug.
- Playing with Fire: Projected it from his chest when he had his armour, from his chest, belly, face, mouth and hands as a cyborg, and was made of it once he achieved his last Post-Crisis power up.
- Powered Armour: Downplayed. The Human Flame's original armour could just barely project enough fire to keep the Manhunter at a distance, and had no other powers to speak of.
- Stupid Crooks: So much so that one of his weaknesses is listed as "idiocy".
- Took a Level in Badass: First by becoming a cyborg and then by becoming a being of living fire.
AKA: Ma'alefa'ak J'onzz
"You knew nothing of me on Mars when I engineered the death of our race under your very nose! You understood nothing of me when I destroyed your new life on this joke of a planet! And you understand nothing of my life as I end yours by ripping you apart muscle by sinew!"J'onn J'onzz's twin brother in Post-Crisis continuity, Ma'alefa'ak, alias Malefic, is a sociopathic mind rapist and serial murderer turned genocidal madman. Stripped of his psionic powers following his capture, Malefic gained his revenge by engineering H'ronmeer's Curse, a psychic plague that killed almost every Green Martian on the planet. He later followed J'onn to Earth, where he was killed following an assault on the JLA.
- Ax-Crazy: A vicious, depraved and utterly psychotic sociopath.
- Arch-Enemy: Was this to J'onn until his death.
- Big Bad: Was this Post-Crises until his death.
- Evil Cripple: Given the degree to which Martians depend upon their Psychic Powers, Malefic's loss of them qualifies him for this status.
- Evil Twin: Exceptionally so.
- Final Solution: Killed almost all the Green Martians.
- Lack of Empathy: Profoundly so.
- Lean and Mean: Skeletally thin, especially when contrasted with J'onn.
- Mind Rape: A big fan of it.
- Sadist: This one pretty much goes without saying. Malefic enjoys inflicting pain.
- Self-Made Orphan: Mind raped his mother into a coma.
- Serial Killer
- Serial Rapist: Serial mind rapist anyway.
- Shape Shifter: Used to his advantage during his attack on the JLA.
- Slasher Smile: Always sports one.
- The Sociopath: Probably the most obvious example in J'onn's small rogues gallery, with his short temper, malignantly antisocial behaviour, sadism, and need to control others.
- Spiritual Successor: To Commander Blanx, being responsible for the same crime that he committed in the Silver Age.
- Torture Technician: Tends to play with his victims for an extended period after capturing them.
"Here we languish, beggars on a hostile world far from our native sun. Forced to grub for survival like insects in the dark—when there are those who live in light, on a world that should be ours...While we huddle on this barren rock, our sacred lands are raped—by those who mock our fate!"Genetically engineered to be the ultimate Martian warrior, The Marshal of the Red Brotherhood was a powerful political and military figure on Mars II during the Bronze Age. Following Blanx's near destruction of all Martian life, and the encounter with the Thythen, The Marshal, at Bel Juz's urging, carried out a coup d'etat against J'onn J'onzz, and then launched an invasion of Earth.
- Alien Invasion: Led the surviving Desert Dwellers in an invasion of Earth following his coup.
- Evil Is Bigger: Towered over all other Martians.
- The Generalissimo: Following his coup.
- Military Coup: How he gained power.
- The Resenter: Towards Earth and any other society that remained unmarred by genocide.
- Secondary Color Nemesis: His orange and purple uniform.
- Super Soldier: Engineered to be the ultimate Martian soldier.
- Super Strength: Even for a Martian, he was incredibly strong, thanks in no small part to his vast bulk.
- Unholy Matrimony: With the treacherous Bel Juz.
- Unwitting Pawn: Of Bel Juz.
AKA: Faceless, Marco Xavier
"They are not regular members of my syndicate... and therefore expendable!"A European mobster who headed up the international syndicate known as "Vulture", Mr. V was a masked presence who operated through legions of underlings, including one Body Double after another. Confronting J'onn repeatedly throughout the sixties, Mr. V, dubbed "Faceless" by J'onn, was the first enemy the Martian Manhunter truly loathed. He's vanished since the Silver Age, leaving a number of unanswered questions.
- Actually a Doombot: All the time.
- Archenemy: The only contender during the Silver Age, he was one of J'onn's few recurring foes, and the first one he was shown to genuinely hate.
- Body Double: Maintained a small army of them. Anytime that J'onn unmasked Mr. V it would be revealed to be one of his henchmen, playing the part.
- Chest Insignia: Wore Vulture's insignia on his t-shirt.
- Cool Mask: It was a pretty silly mask, honestly, but the principle still applies.
- Decoy Leader: Anytime that Mr. V appeared to be acting as the leader of a local Vulture cell it was all but guaranteed that he'd turn out to be a Body Double.
- Diabolical Mastermind: An archetypal example, with legions of minions, evil schemes by the truckload, and numerous scientific gadgets.
- Fat Bastard: Usually drawn as such.
- The Reveal: During his final appearance, Mr. V is revealed to be Marco Xavier, the supposedly dead Vulture operative whom J'onn J'onzz has been impersonating the entire arc. Whether this was his real identity (Mr. V's suit seems unusually loose on Xavier's skinny frame) and if he really did die in that last confrontation was never confirmed.
- Secondary Color Nemesis: Purple slacks, and sometimes, a purple jacket.
- The Syndicate: Led one.