Characters / Mega Man Zero Antagonists

Mega Man Zero | Main Character Index
Zero | Allies (X) | Antagonists (Weil)

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Warning: As a listing of villains in a plot-heavy narrative, this page will have its spoilers unmarked.

Mega Man Zero

Copy-X

This is something that you and the original X could never create... only I could do this!

Voiced by Yuuto Kazama, Yuka Imai (RTRZ Ciel's Memory Drama Track)

Zero's best friend, who ushered in a new age of peace between humans and Reploids after saving the world from the Mavericks. Copy-X is the ruler of Neo Arcadia during Zero 1 and Zero 3, with the role of Big Bad and Disc-One Final Boss, respectively. During a time of great hardship after the sudden, unexpected disappearance of the original X, Ciel would make him as a supposedly perfect copy; shame she didn't give him 30 years of ethical testing like the original went through to ensure his reliability to discern between "right and wrong". In the face of an energy crisis, he wastes no time in taking extreme measures to maintain this "paradise", treating its Reploid citizens as expendable if their lives got in the way of human comfort and justifying his actions through his status as a supposedly "perfect" copy of the populace's beloved hero. By the beginning of Zero 1, he has sent a wave of Neo Arcadian forces to pursue and eliminate the Resistance, the game opening with various soldiers relentlessly chasing Ciel's party as they search for Zero, the hero of legend. Ordering multiple attacks on the Resistance over the course of the game, Zero soon takes the fight directly to him thanks to assistance from none other than the original X. Calling Copy-X out on the "joke" of a world he created, Zero defeats Copy-X in battle. Zero then tells him that he'll never be a "true hero" like X because X was far wiser and more compassionate than he ever was, a fact that Copy-X fails to come to terms with as he self-destructs, spitefully attempting to take Zero with him.

In Zero 3, Copy-X unexpectedly returns to resume his role as Neo Arcadia's ruler, bringing with him the exiled scientist Dr. Weil. Grateful to the man who rebuilt him, Copy-X is all too willing to pardon Dr. Weil's war crimes, allowing him back into Neo Arcadia and giving him the position of military advisor. Copy-X Mk. II and Dr. Weil then compete against Zero and the Resistance in a quest to retrieve the Dark Elf, culminating in Copy-X ordering a missile strike on a residential area, in a surprising rejection of even his own warped ideals. After leading another series of direct assaults against the Resistance, Zero defeats him in battle once more. X arrives to break the news to him, where once again Copy-X is proven the fool; Weil was only using Copy-X entirely for his own ends, and had already took off elsewhere with Omega and the Dark Elf. Frustrated at being treated like a fool, Copy-X decided to transform into his Seraph form, against X's warnings. Unbeknownst to him, Weil planted a bomb in his body that would detonate upon his transformation. And so he was blown apart for good, his very resurrection and actions only playing to the beat of the evil scientist's twisted tune.

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• Accent Upon The Wrong Syllable: In the jaPANese verSIon, Copy-X Mk. II emPHAsizes strange sylLABles.
• Arm Cannon: He's a replica of X, so he's got a cannon on his arm.
• Ascended Fridge Horror: He's pretty much X without the "30 years of ethical testing" bit and thrown in waaay over his head. Without having a moral compass or enough worldly experience and suddenly getting shoved into the ruling position with extreme levels of power both physical and political and having no one with any sort of authority willing or even desiring to question him, the only thing he knows is "being a good leader for human society"...at the expense of everyone else.
• Barrier Change Boss: His first form switches between the three elements, with the appropriate attacks and weaknesses.
• Berserk Button: Don't you dare call him inferior to the real deal.
• Beta Test Baddie: Being a copy, after all. However, he constantly insists he's a "perfect" copy of X and therefore cannot be wrong, going so far as to think of himself as superior to X, and his Berserk Button is being told that the real X was a better leader and a better man than him.
• Big Bad: Of the first game.
• Blue Is Heroic: Subverted. He was meant to be heroic, but lack of guidance makes him a Knight Templar instead.
• Boomerang Bigot: As far as he cares, a murderous reign of terror targeting his fellow Reploids is preferable to even mildly inconveniencing Neo Arcadia's human population. He passes this mentality on to all his subordinates too, when they aren't just sadists.
• Boss-Arena Idiocy: His One-Winged Angel is out of reach for most of Zero's attacks, except Zero can use the pillars Copy-X himself summoned to Wall Jump to reach him anyway. Yes, they do float over Bottomless Pits and Copy-X does have an immobilizing move that will send Zero to a cheap death if it catches him while he's on the pillars, plus his Desperation Attack uses the floating pillars to try and crush Zero, but that's still unneeded when Copy-X could just carpet-bomb the small platform to kill Zero (and two of his moves do just this).
• The Caligula: He really does make Neo Arcadia a good place to live...but only for humans. It gets worse in the third game where under Weil's direction even humans become fair game, or at least the humans in Area Z-3079 to obtain the Dark Elf.
• Call-Back: His armor is similar to X's famous Ultimate Armor, complete with the Nova Strike, but with angel wings and different colors. He also exhibits many abilities of the X series, e.g. the Shotgun Ice or the charged Triad Thunder and the ability to heal himself in a pillar of light during battle brings the second X1 fight with Vile to mind.
• Came Back Strong: Played with. Copy-X Mk. II possesses a Reflecting Laser the original never did for his EX Skill, and his original EX Skill to restore a bar of health is now a standard move he does regardless of rank, but the after-battle dialogue implies Zero had no more trouble taking him down than he did the original. And while he also possesses the capacity to go One-Winged Angel, Weil booby-trapped him to ensure he'd die if he tried it.
• Came Back Wrong: Not that he was that great to begin with, but when Weil revives him in Zero 3, his speech patterns are messed up (Accent Upon The Wrong Syllable in Japanese and a pronounced stutter in English), subtly implying this.
• Character Tics: Seemingly inherited X's own "armor up" gesture when equipping his Ultimate Armor.
• Charged Attack: Just like X himself, he can charge his weapons to launch a stronger attack.
• Clone Angst: As his name spells it out, he's made as a replacement for X. In a variant, it's X himself who does the angst (over what the copy does under his name, that is), not Copy-X. He himself might have some of it too, given his insistence that he is not just a copy, but a perfect copy.
• Computer Voice: His voice has flanging while other Reploids have human-sounding voices.
• Dash Attack: He has the infamous Nova Strike as one of his attacks.
• Death from Above: His charged fire-elemental attack has him firing multiple fire projectiles upward, which then fall down, covering a wide area.
• Demiurge Archetype: Copy X is designed to resemble a seraphic multi-winged angel, with a halo in his final form. Neo Arcadia, intended to be a paradise under the real X, has regressed into a mere dystopia under his control. He rules with an iron fist and cannot stand the idea of anyone escaping his grasp. He is, however, a fake dressed up to look like the true ruler, and under his holy trappings he just wants to control everything he can. Copy X even deceives his own four Guardians into thinking he's the real X, but he's not quite as powerful or clever as he thinks he is.
• Demoted to Dragon: In the third game, where he's simply Weil's Puppet King.
• Disc-One Final Boss: Assumes the long-running series "tradition" in Z3.
• El Cid Ploy: He himself is the ploy, and Harpuia later makes a ploy in his stead.
• Electronic Speech Impediment: In the English version of Z3, he has a stutter.
• Evil Counterpart:
  • He's essentially X without his moral compass honed by three decades of ethics testing and over a century of life experience, leading to him finally picking a side in the conflict between humans and reploids instead of trying to bring about mutual peace.
  • He is also one to Zero. Both use elemental chips, subtanks, and both are technically clones of their predecessors. However, Copy-X's angelic design contrasts mightily with Zero's devil horns, red and black armor. Copy is a childish and short-tempered tyrant, while Zero is a stoic hero. Copy-X is a true clone of X, while Zero is actually a copy of the original's unintended/malfunction personality in a new body.
• Evil Knockoff: Although his creator never intended for him to be evil in the first place.
• Expy: A Composite Character of Gurjev and Michael, the villains of Mechanical Violator Hakaider, which Word of God says was the biggest influence on the story of the original Zero game.
• Fake King: The general populace never knew that the X as they know him has been replaced by a copy. The players also only get to know this when Ciel told Zero before the last stage of the first game.
• Fake Ultimate Hero: He thinks himself better than both X and Zero. Zero disagrees and X has similar thoughts.
  Zero: He's not as naive as you are. That's what made him a hero.
• The Fighting Narcissist: He continuously stresses that he is a perfect copy of X whenever somebody brings it up, claims that he's always in the right by virtue of being a "perfect" copy, and will gladly crush anyone or anything that continues to attack him on that front. To drive it home, his battle form is gold and white alongside his original blue, and One-Winged Angel forms invoke the imagery of angels, specifically a Seraph (the highest-ranking angel in Heaven's hierarchy).
• Final Boss: In Zero 1.
• Fire, Ice, Lightning: He can change his elemental powers via Palette Swaps: Blue is Non-Elemental, Red is Fire, Light Blue/Lavender is Ice, and Green is Lightning.
• Giant Hands of Doom: In his second form.
• A God Am I: Has shades of this; his One-Winged Angel form resembles a Seraph and his in-battle quotes include "Repent!" ^JapaneseKuiaratame yo! and "I am judgement!" ^JapaneseSabaki da!
• Gold and White Are Divine: His special armor has this coloration, which, combined with his basic blue, gives an impression that he's a divine savior. His One-Winged Angel naturally also goes like this.
• Gone Horribly Right: Copy-X represents the most extreme side of X. He becomes so obsessed with his mission of ensuring peace that he makes a fascist state that discriminates against the Reploids in an attempt to keep the humans unquestionably safe.
• Ground Punch: His charged thunder-element attack has him punching the ground, sending out electric currents that creep along the ground and walls.
• Heal Thyself: His special ability in Zero 1 (if your rank is A or S) is creating a Pillar of Light that will shield him as well as healing one bar of life. In Zero 3, he does this regardless of your rank. He must be using a Sub-Tank.
• Heroic Wannabe: Is convinced he's the proud hero and savior of humanity, making sacrifices for their sake by retiring the "evil" Reploids. At best, he's horribly misguided. At worst, he's a delusional hypocrite.
• Holy Halo: his One-Winged Angel gives him one. He can even shoot energy rings out of it to restrain Zero!
• Hypocrite: Goes around branding Reploids as Mavericks for fighting to defend themselves from his murderous regime while viewing himself as genuinely incapable of ever being in the wrong, and executing innocent civilians in the first place. In the X series, he would've been rightfully deemed a Maverick, and in the third game, would've qualified for a third definition: bringing harm to humans.
• Icy Blue Eyes: In Zero 3, when he isn't in his Ultimate Armor. It's unclear if this is supposed to be another sign he Came Back Wrong or if he had them in the first game and the red eyes were just to further show he's not the real X.
• Insistent Terminology: He's a perfect copy of the legendary X. As a perfect copy, he's incapable of making mistakes and every decision he makes is right by the virtue of being a perfect copy of X and shouldn't be questioned by anyone. Combined with Circular Reasoning, when he boasts to Zero that Neo Arcadia is doing what is right, and that is proof that their actions are just.
• Irony: His resurrection as Copy-X Mk. II basically flips the concept of "the perfect copy" on its head. He's certainly stronger, but he's also left with a speech impediment, he's even more naive, and Weil makes him unable to properly go One-Winged Angel.
• Karmic Death: Neo Arcadia's purges, which began under him, prioritized Reploids whose labor had become surplus to the human population's needs. He dies in Zero 3 from a bomb Weil, a human, had planted in him to go off if tapped into his full power, i.e. if Zero had beaten him and he had become no longer useful to Weil's plans. To rub it in further, the real X, who he scorned as inferior to him, tried to warn him that Weil was just using him, only for Copy-X to dismiss his predecessor's wisdom as talking down to him and unwittingly activate the bomb in a fit of rage.
• Knight Templar: Always believes himself to be in the right and his methods to be justified, even if it results in mass murder of innocent reploids. As long as humans are happy in the end, he doesn't feel that he's doing a bad thing.
• Legacy Character: Arguably, since he doesn't hold much of the ideals of the character he inherited his legacy from.
• Leitmotif: "X, the Legend".
• Light Is Not Good: Adding to his angel motif.
• Moral Myopia: In the third game, he accuses Ciel and La Résistance of being extremists for not giving up the alternate energy system she had developed. Never mind that not only was Copy-X the one who started the mass extermination of Reploids in Neo Arcadia in the first place, but he also had no qualms about destroying an entire human residential district with a missile holding Omega, just to get the Dark Elf. This deed is why Ciel doesn't want to give the system to them in the first place.
• Names to Run Away from Really Fast: "Noun X" version.
• Not Himself: Several characters in the third game subtly note that the X that they see is somehow different from the X that they knew — even for those who already knew that X had a copy. Heavily implied to be Weil's doing.
• Not So Similar: He was originally planned to be the original X, but late in development became a Reploid built in his image who thought he was superior to the original. Zero himself comes to remember that X, his friend, was stronger and wiser than the doppelganger standing before him, a fact that he bluntly tells to Copy-X. Even if a player chooses not to take him at his word, even a glance at X and Copy-X's personalities would show even at his worst X is nothing like Copy-X and blowing the "perfect copy" defense out of the water.
• Obliviously Evil: He's an overgrown child with no comprehension of right and wrong, whose entire brief life has been spent being feted as a messianic figure under the assumption he's the genuinely compassionate original X. He can't have become anything else. However, that's just from the perspective of the innocent Reploids. The human populace sees him as a savior.
• One-Winged Angel: Ciel must have thrown in some upgrades.
• Orcus on His Throne: In both of his appearances. With the firepower he possesses, the "war" (barely counts as one until Zero arrived) against La Résistance would've been over a long time ago.
• Our Angels Are Different: He takes the form of a six-winged angel, a seraph. As the Mega Man Wiki points out, this sets him up against his original, who also appears in an angelic fashion, but in a much more humble manner (i.e with just a blue robe and a halo), emphasizing Copy-X's Pride and vanity.
• Power Gives You Wings: 6 wings. His first form also has many wings all over his body that do nothing. Only the ones on his back might actually be useful.
• Promoted to Playable: While he was technically playable in a Zero 3 minigame, Mega Man X DiVE marks the first time he's fully controllable.
• Psychopathic Manchild: He is a perfect copy of X from a technical standpoint, but as Zero points out, he lacks the experience, maturity, and insight of the original. As such, he makes a lot of extreme decisions while thinking he is incapable of making mistakes and that everything he does is right, despite the piles of dead Reploids his actions leave behind. He is also easily angered by any unflattering comparisons to the original X, and when he is beaten by Zero in the first game, his reaction is comparable to a child who just lost a game of "Good Guys vs. Bad Guys".
  Copy-X: Why...? Why...? I was... supposed to be... the perfect copy... how can this be... possible...? I was supposed to be... a hero...
  Zero: I've just remembered something... he was not as naive as you are. That's what made him a hero.
• Red Eyes, Take Warning: Most of the time. In Zero 3 he has blue eyes, but goes back to red when he activates his Ultimate Armor.
• Reflecting Laser: His EX Skill in the third game, which can ricochet off walls and floors.
• Replacement Goldfish: For X. Suffice it to say it didn't work out as intended.
• Rings of Death: In his One-Winged Angel, he can summon halos that can be used to entrap Zero.
• Shadow Archetype: He is a perfect copy of X, just without all of the morality testing that Dr. Light did to ensure that the real X wouldn't become the way Copy-X became. The real X's speech after Copy-X's destruction implies that he came dangerously close to becoming just like Copy-X after a hundred more years of fighting both the Maverick and Elf Wars, which is part of the reason he wants to leave the job of saving the world to Zero.
• Sketchy Successor: He lacks the ethical testing or the experience that X had, which makes him a crazy Knight Templar.
• Slide Attack: Strangely enough, he has this.
• Slouch of Villainy: In Zero 3.
• Speech Impediment: He h-has a s-stutter post-resurrection. That's p-possibly the clue that h-he Came Back Wrong.
• Stationary Wings: In both of his forms.
• Taking You with Me: Pulls this in the first game by blowing up the Tower you're in after losing.
• Talking Is a Free Action: The original X only summoned his armor at the beginning of a level or in the privacy of a capsule — this guy talks smack for several sentences and THEN summons it. At no point can Zero run over and slash the hell out of him for being so stupid.
• The Needs of the Many: Subverted with the killing thousands of humans in Neo Arcadia's Area Z-3079 residential district, since Copy X believes that it would necessary to reunite Omega to the Dark Elf and restore peace that the Resistance "shattered", though several characters such as Harpuia and Ciel call out his BS.
• Token Evil Teammate: He's the only antagonist of the first game that's a true villain.
• Unskilled, but Strong: Reliability testing aside, Copy-X was the first legitimately successful replication of X's systems and in turn had all the raw horsepower X possessed when initially built up to the Ultimate Armor upgrade... it's just that throwing out raw power is all he knows how to do. The original X had grown far beyond that marker anyway, and even in a weaker replica body, Zero's subconscious memory was more than familiar enough with the real X's best to handle him. In fact, Copy-X might in Zero 1 have more raw power than Zero, due to Zero not gaining all his skills back until around Zero 3, and not being as upgraded by Cyber Elves. However, he doesn't have any skills that Zero has gained fighting on the battlefield. Judging by the dialogue, the fight between them is very one-sided.
• Unwitting Pawn: Copy-X Mk. II thinks that he's following his own agenda in the third game, when he was only being used by Dr. Weil. This culminates in Copy-X trying to rehash the One-Winged Angel trick from the first game when defeated, but ends up destroyed by a planted bomb and furthering Weil's plan, even in Zero's victory; so, Zero was right, he is naïve.
• Utopia Justifies the Means: He's built a paradise for humans on the remains of the countless Reploids he's scrapped.
• Villain Decay: He goes from being the Big Bad of Zero 1 to a Disc-One Final Boss and Unwitting Pawn in Zero 3.
• Villain with Good Publicity: Despite his many, many atrocities, the humans of Neo Arcadia adore him. It's to the point that in 4, part of the reason many of the Caravan humans, even Neige, give the Resistance and Zero such a cold shoulder is because they're responsible for Copy-X's death. Some even claim that "X" was the only Reploid who ever looked after humans, which is blatantly untrue, though in fairness it's not clear how much they're actually referring to the real X.
• Well-Intentioned Extremist: He claims that everything that he does is for the right cause, i.e protecting human society. This includes murdering innocent Reploids to alleviate the energy crisis. And he does okay in that department — until, in the third game, he commanded the bombardment of a residential district, claiming the life of thousands of humans... all for getting Omega to the Dark Elf. (Justified in that case, though, since he's Not Himself.)
• You Have Outlived Your Usefulness: "Solves" the energy crisis by sentencing Reploids whose work is no longer necessary to death in Kangaroo Courts, removing their energy needs from Neo Arcadia's resources. Karmically, he dies for good in Zero 3 as a result of becoming more useful to Weil as a martyr.

The Four Guardians

General

When X abandoned his original body to be the seal of the Dark Elf, these four reploids were created from his DNA in order to clean up the world. They are also the generals of each of the armed forces of Neo Arcadia.

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• 11th-Hour Ranger: The surviving Guardians in 3 when they help Zero defeat Omega once and for all.
• Animal-Vehicle Hybrid: Except for Phantom, they have One-Winged Angel forms that look like animal-shaped vehicles. Fefnir turns into a draconic tank, Leviathan turns into a manta ray submarine, and Harpuia turns into an eagle-shaped plane.
• Anti-Villain: While they're very determined to eliminate the Resistance, it's because they believed that such an act of rebellion is wrong, and they only wanted to protect Neo Arcadia, the last utopia on earth, along with its citizens. Harpuia actually seems to show reluctance in killing reploids in the resistance when they aren't actively attacking Neo Arcadia. It seems that even Zero picks up on this quality of theirs, as they're notably the only members of the Neo Arcadian army that he never attempts to deal with lethally.
• Artifact Title: They continue to call themselves/are called the Four Guardians even after they're reduced to three members after Phantom's death.
• Badass Long Robe: They all got one each in a concept art marked as "unofficial"◊ alongside X.
• Battle Aura: In their Desperation Attack, if you have the A or S rank.
• Big Damn Heroes: After Zero defeats Omega, the Dark Elf tries to heal Omega, until the remaining Guardians arrive to hold him off before Zero can move for the finishing strike.
• Brought to You by the Letter "S": They all have an X on their backs.
• Color-Coded Characters: Harpuia is green, Fefnir is red, Phantom is black, and Leviathan is light blue. According to an interview, they were all going to be colored blue because of their connection to X, but the artist Toru Nakayama argued that giving them different colors may help emphasize their attributes.
• Combat Sadomasochist: Split between two of them: Harpuia is the masochist and Leviathan is the sadist. Fefnir, meanwhile, is both.
• Defeat Means Respect: Harpuia, Fefnir, and Leviathan respect Zero when he defeats them the first time. Phantom only did it in the third game, thinking that Zero's worthy enough to take on Omega.
• Desperation Attack: Each of them has one that they will do when their health go below half.
• Elemental Eye Colors: Fittingly for the elements they represent, Harpuia has green eyes, Leviathan has blue eyes, and Fefnir has red ones.
• Elite Four: As indicated by their collective name, they serve as prime enforcers of Copy-X. Even after they're reduced to three, they're still called the Four Guardians; justified since not many Neo Arcadians know about Phantom's fate (like how they never knew Copy-X's fate until the third game), and the other Guardians likely tried to keep it a secret.
• Fighter, Mage, Thief: Fefnir, Leviathan, and Phantom respectively, while Harpuia is a balanced mix of all three.
• Fire, Ice, Lightning: They cover all three of these (Fefnir to Fire, Leviathan to Ice, Harpuia to Lightning), with Phantom as a Non-Elemental.
• Five-Man Band: Formed one with Copy-X as the Big Bad and Harpuia as The Dragon^note being the closest to Copy-X in influence and importance, while also disciplining the other Guardians; he even took over Copy-X's position in secret, Fefnir as The Brute^note the most excitable when it comes to fighting and also the most physically powerful as the leader of Neo Arcadia's armies, Phantom as The Evil Genius^note as the leader of Neo Arcadia's intelligence unit, he fights with guile and trickery, and Leviathan as The Smurfette Principle^note the lone female of the group, and likes playfully teasing Zero.
• Four Is Death: They even have the name "Shitennou" (Four Heavenly Kings) in Japan, which is commonly associated with notorious teams of four.
• Four-Star Badass: Each of them are generals of Neo Arcadia's armed forces: Harpuia of the air force, Fefnir of the army, Leviathan of the navy, and Phantom of the intelligence and espionage unit.
• Four-Temperament Ensemble
  • Harpuia: Melancholic
  • Fefnir: Choleric
  • Leviathan: Sanguine
  • Phantom: Phlegmatic
• Freudian Trio: Excepting Phantom:
  • Id: Fefnir — the impetuous Blood Knight, hands down.
  • Superego: Harpuia, the most respectable Guardian, the stern moral compass, and most similar to X.
  • Ego: Leviathan — the playful, but also cooperative, the glue that holds the team together.
• George Jetson Job Security: Due to his failure to stop Zero and retrieve the Dark Elf, and most certainly due to Weil's machinations, Harpuia, alongside a currently-comatose Fefnir and Leviathan, ends up being stripped of his rank by Copy-X Mk. II.
• Hero Antagonist: They all are trying to protect Neo Arcadia from outside threats and maintain its peace. Thing is, you're now playing for the "bad guys" side.
• Killed Off for Real: All of them eventually die before the end of the quadrilogy. Phantom self-destructs in the first game, while the other three are killed by Omega's explosion at the end of the third game.
  • Retconned by Inti Creates president Takuya Aida who claims their names were removed from Neo Arcadia's register in the aftermath of the game's events, meaning the public believes them to be deceased, but it's possible they're now fighting for humans somewhere outside of Neo Arcadia's surveillance. ^note This version of events actually matches U-CAPCOM's response to a fan letter in 2005 (translated here), wherein the dev team noted that the Guardians more or less ended up as Sequel Non-Entities but probably were off somewhere protecting mankind from Weil's oppressive regime.
• Land, Sea, Sky: The various divisions of Neo Arcadia's armed forces, with a Guardian leading each one, with Phantom again as the odd man out.
• Leitmotif: "X, the Legend", which they share with Copy-X.
• Literal Split Personality: They were created from X and all have unique personalities.
• One-Winged Angel: Their Armed Phenomenon forms, which they take the last time they fight Zero in the second game. Phantom has one as seen in concept art, but it's never seen in-game since he dies before Zero 2.
• Plot Armor: Zero defeats all of them like normal bosses, but they aren't destroyed; Phantom only dies because he self-destructed.
• Praetorian Guard: As implied from their collective name.
• Quirky Miniboss Squad: The first of the series and the most iconic.
• Recurring Boss: All of them are fought four times, including a battle when they go One-Winged Angel. Phantom is fought as an Optional Boss.
• Red Oni, Blue Oni: The calm and sultry blue ice-element Dark Action Girl Leviathan and red fire-element berserker Fefnir.
• Religious and Mythological Theme Naming: Harpuia is named after a Greek monster, Fefnir is named after a dragon from Norse Mythology, and Leviathan is derived from a sea monster from the Bible. Phantom is the Odd Name Out, as his name is just synonymous with "ghost".
• Retcon: In the original script (via author blog post), the reason for their absence in the fourth game is the fact that they were too busy evacuating the citizens of Neo Arcadia to meet with Zero. This was later changed in the databook to a Heroic Sacrifice shielding Zero from Omega's explosion, just to be retconned again to them fighting Dr. Weil's tyranny outside Neo Arcadia during Zero 4.
• Robo Family: Due to their similar origins and purpose, they're often called siblings. And X is their "father" of sorts.
• Sex Is Violence: Harpuia and Leviathan particularly feel rather...turned on when they fight Zero.
• Soul Jar: Their memories and consciousness are later recreated as Biometals in the ZX series.
• Worthy Opponent: All of them consider Zero as this, though Phantom's the least hyped about it.

Sage Harpuia

We, the Reploids of Neo Arcadia... we are defenders of humanity. The only justice here.

Voiced by Megumi Ogata

Called Kenshou ("Wise General") Harpuia in Japan. The Guardian of Wind, he's a military general of Neo Arcadia, commanding the Rekku Army (literally Army of the Fierce Sky), Neo Arcadia's military air force. He seems to have a lot of respect for Zero, and Zero likewise for him. By the start of Zero 2, he begins having doubts over whether the comfort of humans is worth the lives of Reploids. He and his siblings help Zero defeat Omega once and for all at the end of Zero 3. In many ways like a meaner X in personality.

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• Adopt the Dog: Tied with his Character Development in Zero 2. Commonly associated with sparing an incapacitated Zero after the intro stage (though that could just as easily be his innately honorable nature kicking in). Other moments include The Reveal of his true feelings about the war and his ultimate decision that protecting civilians is more important than fighting the resistance.
• A.I. Breaker: In the first game especially, if he's struck by an ice attack, he'll fall to the ground and then use an attack that consists of 3 Sword Beams. As soon as he's vulnerable again (i.e before he even flies again) and as soon as your charge is full, you can quickly strike him again, pretty much trapping him in a loop. If he's placed in the middle, you can even jump over him to avoid the Sword Beam attack entirely. In the second game, he has other strategies to use, but he remains rather easy to predict.
• Attack Drone: Can release several funnel-like devices that act like tasers.
• Badass Creed: He has one in the drama tracks:
  However the future hidden in the shadows beyond the door may turn out. Wind drives away the fog, fire shows the road. Water enriches the body, and shadow reflects oneself... by the four heavens, we will become a light to guide the world! Master X... for humans' sake, we can continue to fight. Even if it means our lives are exhausted as an offering for justice.
• Blood Knight: After their first fight in 2, he admits that he feels most alive while fighting Zero. Is considerably more benign than most blood knights, and tends to keep his fighting spirit in check when there are more important matters to attend to; he only fights Zero when it's necessary, and he loves the moment, but he isn't much longing for it.
• Blow You Away: Though for gameplay purposes, he focuses on Shock and Awe per the Fire, Ice, Lightning pecking order.
• Breakout Villain: Harpuia takes most of the limelight from the rest of the Guardians. Fefnir and Leviathan being fanboys of badass Zero, and they spend the majority of Zero 3 out of commission due to their injuries from fighting Omega at the beginning of the game while Harpuia gets the spotlight and majority of the Character Development.
• Character Development: Was once a stoic and loyal right-hand man of a Knight Templar little different personality-wise from fellow Guardian Hidden Phantom, before maturing into a morally conflicted Hero Antagonist that starts to believe that humans and Reploids can in fact coexist with each other peacefully, but is still willing to eliminate those who threaten the humans he protects. In other words, he is essentially X himself, without the pacifistic tendencies.
• Disc-One Final Boss: Essentially the main antagonist of Zero 2 until Elpizo becomes Drunk with Power.
• Dragon Ascendant: Became leader of Neo Arcadia in Copy-X's "absence". He serves as the main antagonist for the first half of the second game until Elpizo's Face–Heel Turn.
• Death from Above: He flies high in the air as he fires his Sword Beam EX Skill downward in Zero 2.
• Dual Wielding: With Laser Blades, no less.
• Enemy Mine: Along with his siblings, helping Zero against Omega in Zero 3.
• Expy:
  • It's commonly believed in fanon that he was based on X's flight-based armors (particularly the Falcon Armor◊ of X5).
  • By being a prideful, honorable, and respectful "villain" who's a bit misguided, he evokes Colonel of X4. Their other similarities include thinking of the hero Zero as The Rival, as well as similar attacks — a triple Sword Beam attack and a lightning-summoning attack.
• Facial Markings: Green triangular ones under his eyes.
• Flight: Is capable of unaided flying.
• Foe-Tossing Charge: He has this move added in the second game. It bypasses your Mercy Invincibility, too.
• Foil: Appears to be this to Zero. While Harpuia dutifully carries out the orders of Copy-X, and has no problem giving his power back to him when he comes back, he is more motivated by his desire to protect humanity, and is willing to sacrifice himself for such a goal. Zero, by contrast, has no higher morals to preach about or work towards, and is only motivated to fight for the sake of those he cares about (Ciel and Mega Man X). however...
• Giant Flyer: his One-Winged Angel is a Cool Plane mixed with a sort of avian.
• Good Is Not Nice: He's an honorable, well-intentioned Hero Antagonist, but the only people he's nice to are his siblings. He's especially ruthless against his enemies, but he seems to be against attacking enemies who are down, as seen in how he spares both Zero and Elpizo.
• Grapple Move: He can swoop down on Zero and then do a flying piledriver.
• Harping on About Harpies: He's based on this.
• Heroic BSoD: Harpuia has one after seeing a densely-populated city destroyed before his eyes, then being easily defeated by the one responsible, Omega, and, finally, offended by the fact that he was helped by the very enemies he's sworn to take down and feels that he's "used goods".
• Mercury's Wings: More like Valkyrie Wings, but still qualifies. While the wing on his helmet is purely decor, he's proven to be one of the fastest characters in the series.
• Mercy Kill: Averted. Harpuia, at one point infected by the baby elves, asks for Zero to "terminate" him, but Zero hesitates, allowing the baby elves' influence to trigger Harpuia's One-Winged Angel form.
• My Country, Right or Wrong: Does not like the situation he's in as stated in Zero 2, but he has a job that he has to do, namely protecting humans. Too bad the definition of Maverick has become distorted.
• Noble Top Enforcer: He only desires peace and coexistence between reploids and humans, and while he's ruthless to all that is Maverick, he's shown to have limits, such as when he spares Zero and later Elpizo in the second game or how he laments Copy-X's decision to bomb a human settlement just to get the Dark Elf.
• One-Winged Angel: Gets one in the second game from the Baby Elves, turning him into a sort of plane-hawk hybrid thing. Perhaps as a nod to how much he resists, it's something of a Clipped-Wing Angel, being significantly easier to beat than Harpuia's normal form.
• Pride: His fatal flaw.
• Properly Paranoid: He, for good reason, does not trust Weil in Zero 3.
• Promoted to Playable: Outside a minigame in Zero 3 where he rides Aztec Falcon, Mega Man X DiVE is his first proper playable appearance.
• Shoryuken: Part of his moveset in the second game, done with his swords.
• Shout-Out: In Mega Man 9, Tornado Man — one of that game's robot masters — resembles him in appearance and basic powers.
• Stab the Sky: A variant: he lifts both of his swords upward and crosses them, emitting lightning sparks. Then lightning strikes come from the sky, trying to hit you.
• Super-Speed: He becomes faster in the second game, able to dash from one end of the stage to the other in less than a second.
• Sword Beam: Lives it. Zero can acquire this ability from him.
• Sword Pointing: His Desperation Attack (at 0:32) involves this, albeit aimed lower at an angle, as he's floating high on the air.
• Three-Strike Combo: One of his signature moves, with Sword Beams added.
• To Be Lawful or Good: When Copy X returns in Zero 3, he faces this dilemma, initially allowing the terrible Dr. Weil into Neo Arcadia out of loyalty to his master and his decisions. Later on, however, he directly opposes Weil, despite the man being under the protection of the system he's meant to uphold, seeing Weil and Copy X's disregard for human life as unforgivable.
• Tornado Move: His EX Skill in the first game is creating a giant tornado to trap Zero in. His One-Winged Angel can also use the move.
• Tragic Hero: He wants a world in which humans and reploids can live in peace. Too bad he's so blinded by pride that he can't see the truth, at least until Character Development. Given his goals aren't so different from Ciel and Zero, the irony of his situation is cruel.
• What You Are in the Dark: He has the chance to finish off an unconscious Zero at the beginning of Zero 2 with none but himself and Aztec Falcon the wiser, even musing on whether or not he should let one of the biggest threats to Neo Arcadia who was responsible for the death of Copy-X and the self-sacrifice of Phantom to live or die. Ultimately, not only does he spare Zero's life, he drops him off right at the Resistance Base to get healed up.
• Wind Is Green: He's coloured green and he uses wind attacks.
• The Worf Barrage: His lightning attack on Omega halfway through the game (which previously managed to do some serious damage to him in the beginning stage, albeit after Zero had gotten his chance at Omega and Fefnir and Leviathan fought him too) fails to hurt him post-absorbing the Dark Elf, and then Harpuia gets blasted and put in critical condition by multiple beam attacks.
• Would Not Shoot a Civilian: Determined to capture Ciel unharmed and let the authorities deal with her, as she is still a non-combatant.

Fighting Fefnir

I never expected you to be this good... you are amazing, and that is what excites me the most!

Voiced by Kazuya Nakai

Called Toushou ("Fighter General") Fafnir in Japan. The Guardian of Fire, he is the leader of Neo Arcadia's Jin'en Gundan ("Army of Scorched Earth"). One of the poster boys for Hot-Blooded, Fefnir never, ever turns down a chance to fight Zero. The one time he did, it only served to underscore just how powerful the immediate enemy was. He's very rarely malicious to Zero, he just wants a good fight, and the legendary hero Zero's the only one who can give it him.

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• Advancing Boss of Doom: His One-Winged Angel keeps chasing you from the right.
• BFG: The four guns on his One-Winged Angel form in Zero 2. His regular form has a suitably large cannon, too, and he can summon another one for his Desperation Attack.
• Blood Knight: His idea of "having fun" seems to be "beating enemies into submission". After he meets Zero, he simply can't get enough of fighting him.
• Charged Attack: All of his moves (except for his Desperation Attack) each has a more powerful version of it, which Fefnir performs after charging up first.
• Dishing Out Dirt: His secondary element, since he can summon magma eruptions from the ground.
• Expy: It's commonly believed in fanon that he was based on X's power-based Gaea Armor◊ from X5.
• Facial Markings: Has red lines going down his cheeks from his eyes.
• Firing in the Air a Lot: His EX Skill in the first game is to fire his cannon in the air a lot, and then multiple fireballs fall down from the sky.
• Grapple Move: He has one where he dashes to Zero, then grabs him and fires him upwards like a Human Cannonball. If he powered up first, he'll follow it up by leaping towards Zero and slamming him to the ground.
• Ground Pound: One of his primary attacks; the battle in Zero 2 includes some variations as well.
• Guns Akimbo: He can summon another Hand Cannon, but he'll only do so for his Desperation Attack (and, in Z2, for his bomb-scattering move), and even then he isn't aiming at all.
• Hand Cannon: Literally. Appropriately, he does the most damage of any Guardian.
• Hot-Blooded: Always spirited and seeking for thrill and challenge.
• Irony: For the guy in charge of Neo Arcadia's land army specifically, the only known subordinate of his that Zero fights is Anubis Necromancess.
• One-Winged Angel: In the second game, he gets to turn into a tank equipped with four flamethrowers.
• The Only One Allowed to Defeat You
  After being easily defeated by Omega: Hey, Zero! I'll get you and that Omega one of these days! Don't you dare die before then, Zero!
• Playing with Fire: Can fire fire blasts from his weapon.
• Red Eyes, Take Warning: Counter example. They're merely a marker for his elemental powers. He's still a dangerous and powerful person, though.
• Shoulders of Doom: Wears a big shoulder armor, which makes him look more imposing, especially when compared to his "siblings".
• Spell My Name With An S: It's "Fafnir" in the Japanese version and "Fefnir" in the English version. Fefnir may be a typo, since Fafnir is the name of a dragon from Norse Mythology. Or just plain Engrish.
• Theme Naming: His cannons are named Sodom and Gomorrah.
• The War Sequence: It is the mission that introduced him.
• Weredragon: His One-Winged Angel is roughly based on a dragon.
• The Worf Effect: Four times he fought Zero in near-equal strength over the course of the first two games, but is ultimately trashed off-screen by Omega with Leviathan backing him up at the beginning of 3 and Zero gets to see the end of the "fight" where he taken down with a literal sucker punch after being knocked through the rest of the wall Leviathan was punched through.

Fairy Leviathan

I have been looking forward to seeing you. I can't wait to see their faces when they find out that it was I who retired you!

Voiced by Yuka Imai

Called Youshou ("Siren General") Leviathan in Japan. The Guardian of Ice, she's a military general of Neo Arcadia, commanding the Meikai Army (literally Army of the Dark Oceans), Neo Arcadia's military navy force. Like Fefnir, Leviathan loves fighting Zero, but she's not as enthusiastic about it...or at least, not in the same way. She always refers to it as "playing" with Zero, and downright pouts if she isn't allowed to do so. Her signature weapon is an ice halberd, identified as the "Frost Javelin" in the Mega Man Zero Complete Works artbook.

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• Blood Knight: She outright stated she didn't care if the world ended, as long as she got to fight Zero.
• Combat Stilettos: Only really visible in her concept art. Justified; as the leader of Neo Arcadia's navy, she'd spend most of her time fighting underwater where balancing on high heels isn't a concern.
• Death from Above: One of attacks is to scatter some ice chunks which will later fall.
• Don't You Dare Pity Me!: In the first game, before their first battle, she tells Zero to not hold back just because she's a woman. After the battle, she asks why does Zero hold back (although you, the player, may not). Though in later fights she stops making a fuss about it.
• Girlish Pigtails: She has 2 extensions to her helmet that gives her this kind of look.
• Homing Projectile: She can fire her spear head 3 times, all of which semi-homes in to Zero. She can also create a ring of ice that also slowly homes in (and, in the second game, expands in size). Her EX Skill in the first game also works this way.
• An Ice Person: Has ice-based attacks and is vulnerable to fire (even underwater, somehow).
• In Love with Your Carnage: To Zero. Though he isn't that "carnage-y" himself, she still likes how determined Zero can be.
• The Nicknamer: Leviathan called her siblings Harpuia and Fefnir a "pretty boy" and a "battle nerd" in the first game, respectively.
• Making a Splash: She's the Guardian of the seas.
• Neat Freak: A downplayed example; she prefers to stay underwater, saying that land is "too dusty". As a nod to this in Mega Man X DiVE, she'll dust herself off after winning a boss fight.
• One-Winged Angel: In the second game. She transforms into something vaguely resembling a manta ray.
• Promoted to Playable: Outside of her minigame in Zero 3, she became fully playable in Mega Man X DiVE.
• The Only One Allowed to Defeat You: Same deal as Fefnir.
• Opposite-Sex Clone: Well, she is based on X, after all...
• Robot Girl: Of course.
• Screw This, I'm Outta Here: In the Rockman Zero manga, when Zero gains the ability to cut down her ice dragon with his Fire Chip-enhanced Z-Saber, Leviathan realizes that she has no chance of competing against that and flees the battle immediately.
• Shaping Your Attacks: She can conjure an ice dragon in the first game as her EX Skill.
• Shout-Out: Like Harpuia, she got one in Mega Man 9: Splash Woman.
• The Smurfette Principle: The only female within the Four Guardians.
• Spectacular Spinning: Leviathan does a lot of whirling and twisting with that javelin of hers.
• Sword Plant: She gains this move in Z2, done with her javelin. Zero gains this move from her.
• Tornado Move: In the second game, her EX Skill is creating an underwater tornado by spinning her spear that sucks Zero into it (while throwing a lot of spear heads around) and then stabbing the ground, creating spreading ice shrapnel in the process.
• Town Girls: Her neither to Ciel's femme and Neige's butch.
• True Blue Femininity: Her Festive variant in X DiVE gives her a blue yukata.
• Underwater Boss Battle: Every time you fight her, it's always underwater. Notably in Z2, Leviathan fills the room with water first before the fight.
• Villainous Crush: Possible explanation for Fairy Leviathan's obsession with Zero. She even admits that she doesn't really care about much else so long as she gets to fight him.
• Water Is Womanly: The only female among the Four Guardians is known as the "Ocean Goddess of the Blue Sea".
• The Worf Effect: Like Fefnir, four times she's fought Zero at near equal strength over the course of the first two games, and the first we see of her in Zero 3 is getting slammed through a wall by Omega's Power Fist and dropped from near the ceiling.
• Wouldn't Hit a Girl: Discussed — she tells Zero not to hold back just because she's a girl in their first meeting, then accuses him of doing so when she isn't immediately killed by his final strike. This is, of course, Gameplay and Story Segregation: you (the player) were no doubt trying to do that, but if you fought a Guardian before her, you knew it wouldn't end that way.

Hidden Phantom

Every generation has its legend. However, a lost legend should remain lost... allow me to show you why!

Voiced by Tetsu Inada

Called Inshou ("Shadow General") Phantom in Japan. Guardian of Shadows, Phantom was the leader of the Zan'ei Army (Zan'ei Gundan, "Cutting Shadow Squadron"), specializing in intelligence and infiltration missions. Phantom blew himself up at the end of Zero, made a cameo in Zero 3, and was otherwise unheard from until ZX. However, one of his apprentices, Tech Kraken, joined up with Weil specifically to get revenge on Zero for killing his master.

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• All There in the Manual: His title and appearance of his Armed Phenomenon.
• Badass Creed: He has one before fighting Zero the second time.
  Give light to people. Give death to Mavericks. No one shall disgrace master X. Your termination will now commence!
• Bat Out of Hell: his One-Winged Angel, which was never actually used in the series, and can only be seen in the concept art.
• Blood Knight: A notable aversion among the Guardians. Even Harpuia, who's the second-most collected of the group, admits that fighting Zero makes him feel alive. In all of Phantom's battles with Zero, from his first two in the original to even his Secret Test of Character in Z3, he never once admits to feeling the same way, even as the latter has Phantom acknowledge Zero's strength.
• Cool Mask: Based directly from Erik himself.
• Cyber Ninja: Even adopts a lot of ninja poses and a Fuuma Shuriken for good measure.
• Dare to Be Badass: This speech after fighting Zero as an Optional Boss:
  You truly did... have the soul of a hero... go... cross blades with Omega, and show what that body can do! Will your blade flinch after you know the truth? Do you have what it takes... to be a hero? You must be the one to determine that!
• Dark Is Not Evil: Even though the database in Zero 3 described him as an "evil Dark Lord", which might be just a translation error. In fact, barring Harpuia, Phantom is also one of the most honorable antagonists in the series.
• Dash Attack: One of his basic moves is him dashing towards Zero and slashing him with his blade.
• Doppelgänger Spin: And if you hit the wrong one, he'll pounce on your head to punish you.
• Dragon Their Feet: His squadron gets the most representatives in the entire Neo Arcadian army to show up in the series, most of which is even after Phantom's own death.
• Dynamic Entry: Not only is he fought at the start of his level, he greets Zero with a kunai barrage that Zero barely dodges.
• Expy: It's believed in fanon that he was based on X's stealth-based Shadow Armor◊ from X6.
• Fuuma Shuriken: One of his more memorable attacks. He can use it as Floating Platforms, notably in the third game's mini-game where you have to guide him as far as possible jumping onto one fuuma shuriken after another.
• Hand Seals: As expected for a ninja, he does it for his Doppelgänger Spin move.
• Infinity +1 Sword: The reward for taking him out in Zero 3 gives the abilities of every other Foot part at once.
• Load-Bearing Boss: Subverted. Phantom took back a factory that the Resistance invaded in an earlier mission, and set bombs all over the place before engaging Zero. The mission after defeating Phantom? Defuse the bombs.
• My Master, Right or Wrong: Out of all the Guardians, he's the most loyal to Copy-X, to the point that he chose to die (and try to bring Zero with him) rather than accept that Copy-X was wrong.
• Ninja Run: More like Ninja Dash, but otherwise qualifies.
• Ninja Pirate Zombie Robot: Literal ninja robot, and a Virtual Ghost by Zero 3.
• Odd Name Out: The other Guardians are named for legendary creatures — Leviathan, harpies, and Fafnir. Phantom's named for a specific human character.
• Optional Boss: In Zero 3, he's a secret boss with a really good upgrade as a reward.
• Scarf of Asskicking: Wears a red scarf, typical of ninjas.
• Secret Test of Character: When he reappears in Zero 3, he has learned through his time in Cyberspace that Zero is inhabiting a cloned body, while the original is being used by Omega. Phantom decided to test Zero's worth in battle to see if Zero can still be the hero that he is.
• Shout-Out: He takes the name, the mask, and the scarf from The Phantom of the Opera.
• Spread Shot: His Fuuma Shuriken can explode into 4 small kunai that fly to 4 directions. He also fires spreads of kunai during his Desperation Attack. In the third game, he resorts to spamming spreads of kunai while floating on his shuriken, and said "exploding shuriken" now explodes multiple times during flight.
• Stab the Sky: At the start of his Desperation Attack.
• Stealth Pun: His return as a Virtual Ghost. Cringe-worthy if you still need an explanation for this.
• The Stoic: The only non-Blood Knight among the Guardians, so this is a given.
• Strength Equals Worthiness: He considers Zero as worthy after he beats him in a fight. While it's actually their third fight (and Zero had beaten him twice before), this particular fight is an actual attempt for Phantom to measure Zero's strength and resolve, as opposed to trying to stop Zero.
• Sword Plant: After trying to throw kunai from above on top of his Fuuma Shuriken, he'll end them with this move. He'll also use this if you attacked the wrong doppelganger.
• Taking You with Me: In his second battle with Zero, killing him results him giving you the middle finger by releasing an explosion which causes moderate damage, potentially resulting in a Kaizo Trap. It can reach across about half the screen, but can also be dodged.
• Undying Loyalty: The most loyal of the Guardians to Copy-X. Ironically, he dies because of it.
• The Unfought: We never see him assume his Armed Phenomenon mode because he's dead before the second game and doesn't assume it in the third in the secret boss fight with him in Cyberspace, and he doesn't show up again after that. Concept art shows he assumes the form of a bat-like wraith that fires blades like giant spears.

Mission bosses

General

Tropes pertaining to Bosses (and their respective levels) that appear in the first game. (Four Guardians and Copy-X have their own folders.)

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• Arm Cannon: Blizzack Stagroff and Aztec Falcon's weapon.
• Back from the Dead: Aztec Falcon appears alongside Harpuia after the intro level of Zero 2 (and in one of Zero 3's minigames), the Rainbow Devil reappears in one of the final levels, and finally Herculious Anchortus reappears alongside his brother Kuwagust Anchus while under Elpizo's influence. Meanwhile, three bosses (Anubis Necromancess, Blizzack Staggroff, Hanumachine) return in the second act of Zero 3, leading a strike force against the Resistance.
• Blob Monster: the Rainbow Devil, smallest of its kind, but no less dangerous.
• Boss-Only Level: The entirety of the mission involving Hittite Hottide is spent on you trying to stop it from digging to the Resistance base.
• Cores-and-Turrets Boss: Pantheon Core and Guard Orotic.
• Do Well, But Not Perfect: A secret area containing a Cyber-elf can be found so long as Zero doesn't rush the battle with Hittite Hottide, letting the mech cause destruction up to a certain point. Does the game tell you this? 'Course not. ^However...What the game also doesn't tell you is that if you go down to the subway where the first part of the train mission took place and do a downward stab with the Triple Rod on the second Gli-Eye (the bat-like enemy) you see, that'll give you enough of a boost to reach the very same Cyber-elf from the bottom. Though if you blew the mission to get the Triple Rod to begin with, then letting Hittite Hottide let you in from the top is your only option.
• The Dragon: Aztec Falcon to Sage Harpuia, Anubis Necromancess to Fighting Fefnir, Blizzack Staggroff to Fairy Leviathan, and Hanumachine to Phantom.
• Drill Tank: Hittite Hottide.
• Dual Wielding: Asura Basura quad-wields with his four arms, with three swords and a shield.
• Dungeon Bypass: As Hittide Hottide makes its way from the Disposal Center to the Resistance Base, it just drills through any obstacles in its path.
• Early-Installment Weirdness: Due to the type of mission selection used in Zero 1, the Boss lineup is a mixed bag of Mechaniloids (Guard Orotic, Pantheon Core, Hittide Hottide), the "regular" Mutos Reploids, and Copy-X's Four Guardians. This also means there aren't enough Mutos Reploids for a "proper" Boss Rush which results in the Four Guardians taking up the slack in the latter half. Later games return to having Reploid-only Bosses and relegate the larger Mechaniloid ones in the beginning levels as well as the final stretch.
• Elemental Shapeshifter: As its EX Skill in the second game, Rainbow Devil can turn into a vaguely metallic substance, making it impervious to damage for a short time and causing its steps to shake the screen and causes rubble to fall, but limiting its mobility.
• Elite Mooks: A twin Mini-Boss of Pantheon Aces that are slightly more durable than normal.
• Enhanced Punch: Rainbow Devil's EX Skill in the first game is it simply putting its blob mass into one of its fists and then punches forward with it. It becomes one of its regular attacks in the second game.
• Fire, Ice, Lightning: Guard Orotic can wield all 3 elements, one at a time.
• "Get Back Here!" Boss: Hittide Hottide. Zero must stop it before it reaches the Resistance Base.
• More Dakka: Guard Orotic's EX Skill is to fire a lot of bullets at Zero from its core.
• Multi-Armed and Dangerous: Asura Basura, a 4-armed Reploid who wields 3 swords and a shield and is fond of the Spin Attack.
• Multiple Head Case: Guard Orotic, of course.
• Orochi: Guard Orotic is based on the Orochi.
• Power Copying: Only in the third game:
  • Blizzack Stagroff R: Blizzard Arrow
  • Hanumachine R: Tenretsujin
  • Anubis Necromancess V: Shield Sweep
• Reactor Boss: Pantheon Core, the reactor for the train it is situated in.
• Shock and Awe: Anubis Necromancess has this, though it was actually Non-Elemental (though his weakness is fire, perhaps as a nod to zombies being weak to fire), but in the third game he acquired lightning powers (and weakness to ice).
• Stance System: Guard Orotic has two heads for each element (and two more for Non-Elemental) and will regularly switch between them in battle, with various attacks at each head's disposal.
• Throwing Your Sword Always Works: Asura Basura can throw his three swords as an attack. Anubis Necromancess is also capable of this with his staff, and likewise Ganeshariff with his tusks.
• Time-Limit Boss:
  • The Destroy Train mission is a Timed Mission in its second half, which includes fighting the Pantheon Core boss.
  • Hittide Hottide doesn't have a timer display like the previous examples, but Zero's opening is still limited before it reaches the Resistance Base.

Aztec Falcon

A falcon Mutos Reploid, of Harpuia's Strong Air Battalion.

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• Descending Ceiling: variant: Aztec Falcon is fought on top of a spiked ceiling while it descends on the Reploids that Zero must rescue.
• Early-Bird Boss: Those who thought the Golem was simple (even without using the saber) will be in for a nasty surprise when they meet Aztec Falcon, the first real boss. He only has 1 bar of health like the Golem was, but he moves quickly and forces you to learn how to jump or dash under attacks, as well as going around the invincible parts of his hitbox. As he's the second boss, you may find yourself not having grinded your weapon techniques enough before you fight him, unless you actually take some of your time beforehand. As a bonus, he's also a Time-Limit Boss.
• Feathered Fiend: Aztec Falcon, a bird-based character, though he's technically featherless...
• Selective Magnetism: one of Aztec Falcon's attacks, where he opens his wings and draws Zero towards him.
• Shock and Awe: Aztec Falcon has lightning powers.
• Time-Limit Boss: Aztec Falcon must be defeated in under 75 seconds or the press disposer Zero's standing on will kill the Resistance members below.
• Unusual Weapon Mounting: Aztec Falcon has some kind of railgun on his wings. Meanwhile, Herculious and Blizzack can fire electricity and icicles from their horns.
• Wake-Up Call Boss: Aztec Falcon, the first real boss in the first game, is known for shocking the players who have been used to the previous Mega Man games.
• What Happened to the Mouse?: Aztec Falcon is shown to be alive at the beginning of Zero 2 (presumably rebuilt between games) but besides a minigame in Zero 3 and a cameo in ZX (the former not canon and the latter probably not him), he never appears again.

Maha Ganeshariff

A elephant Mutos Reploid, of Leviathan's Deep Sea Squadron.

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• Cruel Elephant: One of them is Maha Ganeshariff, an elephant Reploid.
• Human Hard Drive: Maha Ganeshariff serves as a data server...and a Lightning Bruiser boss.
• Load-Bearing Boss: The Underground Laboratory collapses from within once Maha Ganeshariff is defeated.
• Rapid-Fire Fisticuffs: Ganeshariff has E. Honda's Hundred Hand Slap attack.
• Rolling Attack: Ganeshariff is fond of this.
• Stealth Pun: Ganeshariff's ability to store data is a reference to an old proverb: "An elephant never forgets".
• War Elephants: Maha Ganeshariff is based on an elephant- the Hindu elephant god Ganesha, to be exact.

Anubis Necromancess

A Mutos Reploid based on the Egyptian jackal god of death, of Fighting Fefnir's Scorched Earth Squadron.

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• Elemental Shapeshifter:
  • Anubis can turn his body to sand as a disappearing trick. As an extension of this power, in Zero 3 he can even shift the sand battlefield to give Zero a harder time.
• Gender-Blender Name: Anubis Necromancess is a guy. Then again, his name in Japan is Anubistep Necromances III.
• Necromancy: Anubis can resurrect broken Reploids to harass Zero by latching onto him.
• Psychopomp: Anubis, predictably, has this theme going on.
• You Are Number 6: Interestingly enough, Anubis Necromancess has a number designation to represent how many times he's been brought back into service after being defeated. When first fought by Zero in Zero 1 he's "Anubis Necromancess III", then becomes "IV" for the Boss Rush, and finally when he returns in Zero 3 he goes by "V".
• The Walls Are Closing In: Anubis can summon a sand wall of spikes to trap and smash Zero. In Zero 3, this is replaced with two halves of an electric sarcophagus.

Blizzack Staggroff

A white stag Mutos Reploid, of Leviathan's Deep Sea Squadron.

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• Ground Pound: Blizzack Stagroff loves jumping around and tries to land on you. Herculious is also fond of trapping you in between his elongated electrified arms and then tries to smash you directly, often hitting the ground or wall in the process.
• An Ice Person: Blizzack Stagroff has ice powers.
• Meaningful Name: Blizzack Stagroff is the warden of a Hellhole Prison holding captured Resistance soldiers. His name sounds suspiciously close to "Stalag Luft".
• You Will Not Evade Me: Inverted with Blizzack Staggroff: One of his moves is blowing cold wind from his Arm Cannon that pushes you away from him, and being struck by the ice particles within the wind slow Zero's movement.

Hanumachine

A monkey Mutos Reploid, of Phantom's Cutting Shadow Squadron.

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• All Your Base Are Belong to Us: Hanumachine leads an attack on the Resistance Base, and is fought in the Energy Warehouse.
• Bouncing Battler: Hanumachine can wreath himself on fire and then fly and ricochet off walls. Meanwhile, Rainbow Devil literally bounces around.
• Flunky Boss: Necromancess can summon Pantheon Zombies from the ground. Meanwhile, Hanumachine can create 3 mini-copies of himself that will latch onto you and explode.
• Maniac Monkeys: Hanumachine is based on a monkey.
• Monkey King Lite: Though he's clearly named after Sun Wukong's predecessor and has the white fur, everything else about Hanumachine is more Sun Wukong than Hanuman, between the circlet design, Telescoping Staff, and Mini Me's A Crowd powers.
• Playing with Fire: Hanumachine and Pantheon Core have fire-based attacks.
• Punny Name: Hanumachine, named for the Hindu god Hanuman.
• Rolling Attack: Hanumachine also has one where he becomes a wheel of fire.
• Telescoping Staff: Hanumachine's weapon, being based on Sun Wukong.

Herculious Anchus

A hercules beetle Mutos Reploid, of Harpuia's Strong Air Battalion.

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• Big Creepy-Crawlies: Herculious Anchortus is based on a hercules beetle.
• Dash Attack: Aztec Falcon and Herculious Anchortus are fond of this.
• Shock and Awe: Herculious Anchortus has lightning-based attacks.
• Stock Animal Behavior: Herculious charging at you with his horn.
• Thunder Beetle: Herculious Anchus, a Reploid based on a hercules beetle who uses electrical attacks. The sequel features his stag beetle brother Kuwagust Anchus, who can also use electricity and shares the same ice weakness.

Mega Man Zero 2

The Dark Elf

Zero...
When she was born, she had a mission to save the world...

Originally born as the very first Cyber Elf, the Mother Elf, which, with the "Sigma Antibody Program", was used by X to eradicate all traces of the Maverick Virus on Earth. Dr. Weil corrupted her programming, causing chaos and setting off the devastating Elf Wars. Basically shrouded in mystery. She was later sealed by original X's body.

At the end of Zero 2, she briefly returns to her original state and transforms Elpizo into a Cyber Elf, also freed of his insanity, before running away. In Zero 3 it's revealed she was created by reverse-engineering the residual Zero Virus data from Zero's original body.

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• All Your Powers Combined: In different occasions, she displays abilities of all three types of Cyber Elves: Nurse, Animal, and Hacker. Fitting, since she is the template from which all Cyber Elves are based on.
• Anti-Villain: She's always being controlled against her will.
• Apocalypse Maiden: Weil used her power to commit genocide on the planet.
• Became Their Own Antithesis: As the Mother Elf, she has the power to get rid of Maverick corruption. However, after Weil corrupted her, she became the very source of new robotic corruptions, particularly when fused with Omega.
• The Cameo: It's obviously NOT the Dark Elf herself, but during the final battle of Zero 4, Dr. Weil summons the Weil Numbers using a facsimile of her.
• The Corruption:
  • The Dark Elf's Super-Empowering comes with the notable side-effect of mutating those who fall under its power; the extreme, Brainwashed and Crazy examples both share Morphic Resonance with the dark wisps enshrouding the Dark Elf. (The notable exception is Omega, who was designed to channel her).
  • Weil appears to have subjected the Dark Elf herself to this with his modifications—the Dark Elf's very design implies her to be trapped or enslaved by some foreign influence.
• Dark Is Not Evil: Zigzagged. The Dark Elf doesn't normally want to cause harm, but she's routinely forced or provoked into using her powers, which are immensely destructive. However, Weil's modifications themselves—the dark wisps enshrouding her in her art—are a straight example of Dark Is Evil.
• Energy Being
• Extreme Graphical Representation: The dark shrouds around the Mother Elf appear to be the visible representation of Weil's code, something he added to her program to modify her powers and control her.
• Eyes Always Shut
• Flunky Boss: A variant, as she never actually does any fighting herself, but in Zero 3 during Childre's stage she does mutate a Pantheon Aqua into the level's Mini-Boss after it tries to attack and capture her and sics it on Zero to keep him from catching her himself.
• Forced into Evil: Thanks to being reprogrammed by Dr. Weil. Even her artwork, of a small and white cyber-elf nearly smothered by threatening shrouds of darkness, suggests entrapment.
• Fusion Dance: By doing this with any Reploid, she induces a One-Winged Angel form, though only Omega is able to draw out her full power because she originates from Zero's original body as the Sigma Virus, and Omega is currently in control of that body.
• Hate Plague: Her powers are mainly used to sow hatred and psychopathy between Reploids, especially when combined with Omega.
• Heel–Face Revolving Door: Her original purpose was as a force for good, to purge Reploids of the Maverick Virus, but Dr. Weil corrupted her. By the end of Zero 3, she's back to being good.
• Leitmotif: "Darkelf".
• Living Macguffin: She's pursued by both Neo Arcadia and the Resistance in Zero 2 and Weil in Zero 3 for fear of her powers.
• Logical Weakness: Logical Immunity, rather. The Dark Elf doesn't mutate Omega because she's based on the Zero Virus antibodies from Zero's original body, and Omega is using Zero's original body.
• Mind-Control Device: One of her more frightening abilities is to control all Reploids within range; combined with Omega, that range is greatly increased, covering practically all the world. Ironically, she, too, is Brainwashed and Crazy herself.
• One-Winged Angel: Both she and her kids can induce horrific transformations to any Reploids or Mechaniloids, though she's much more proficient and powerful at it.
• Redeeming Replacement: As the Sigma Antibody Program, she was a countermeasure against the Maverick Virus. Created by using the antibodies in Zero's body as a template, the Mother Elf was used to eradicate the Maverick Virus completely. However, once Weil got ahold of the Mother Elf and corrupted her into the Dark Elf, she effectively became an even worse version of the same virus she was originally trying to eradicate.
• Say My Name: In the third game, she shouts "Zeeeeeeerrooooo" once, in the Oceanic Highway Ruins stage.
• Sealed Evil in a Can: Zig-zagged. At last count, it's Sealed Good In An Evil Can, itself Sealed In A Good Can.
• Super Prototype: The other Cyber Elves (even the Baby Elves) are just inferior imitations of her with limited powers, while she can completely alter the appearance and minds of Reploids.
• What Happened to the Mouse?: Vanishes at the end of the third game, finally free of her curse, and was never mentioned or seen again.
• Woobie, Destroyer of Worlds: It's barely even her fault that she caused the Elf Wars. She didn't even have a choice thanks to Weil.

Elpizo

A world without humans... the world only for Reploids... don't you think it will be paradise!?

Voiced by Tsutomu Kashiwakura, Griffin Puatu (English, Z2 Definitive Dubs Fandub)

The commander of the Resistance in Zero 2, as well as the villain. Elpizo ordered a full assault on Neo Arcadia, assuming that the capitol was defenseless in Copy-X's absence. However, all of the Resistance soldiers involved in the attack were slaughtered by the Guardians and Elpizo himself was curb-stomped by Harpuia. After that, Elpizo snapped and tried to free the Dark Elf, thinking he was too weak and that he could free the Reploids by just gaining power. In the end, he destroyed X's helpless body, in use as a lock on the Dark Elf's cage, and made her merge with him. Zero chased him all the way (although he was unable to save X's body), and defeated Elpizo. After that, Elpizo realized how evil he became and apologized to Zero for his actions, before the Dark Elf turned him into a cyber elf.

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• All There in the Manual: The drama tracks that accompany the Zero 3 remaster album elaborate on his past as a Reploid named TK-31.
• Badass Longcoat: Wears a long magenta coat with a rather wide collar. Although he isn't that badass — and when he merges with the Dark Elf (and becoming more badass), he loses the coat.
• Battle Aura: In his Desperation Attack, if you have A or S Rank, much like that of the Guardians.
• Battle Tops: His second form can summon large rotating drones to attack.
• Big Bad: Of the second game.
• Big Bad Slippage: A rare zig-zagged trope example. He starts off as the new Resistance leader before going bad after a botched assault on Neo Arcadia and trying to gain more power by going after the Baby Elves and the Dark Elf. To do this, he destroys the original X's body. He then declares to Zero that he will exterminate humanity, and he becomes the Final Boss. However, after Zero defeats him and frees him from the Dark Elf's influence, he realized how evil he became and, with remorse, apologized to Zero for his actions.
• Blade Spam: One of his attacks in his first form is him dashing while doing multiple stabs with his rapier.
• Boss Banter: He has plenty of this in his first and second forms.
  "Amai desu yo!": You've underestimated me! (summoning enemies through a purple portal)
  "Shitsurei!": Pardon me! (shooting purple projectiles from his sword)
  "Soko desu ka!": There you are! (launching purple orbs)
  "Tanoshinde kudasai!": Please enjoy yourself! (using his EX Skill Ground Burst attack)
  "Ottoikenai!": Oops, that was close! (when blocking an attack with his saber)
  "Motto chikara wo!": More power! (said when transforming into his second form, and then occasionally throughout the battle)
  "Zunīnaruna!": Don't get coocky! (when warping around the room)
  "Sabitetsukirō!": Rust and crumble! (when attacking in his second form)
  "Owakaredesu!": This is the end! (when attacking in his second form)
• Call-Forward: In "Record2_Irregular Passion", the radio drama that serves as Elpizo's Start of Darkness. The last line is Elpizo's cry of "More POWER!!" (Motto CHIKARA WO!!), which he screams fairly often during the final boss battle against him.
• Char Clone: Has blonde hair and is part of a resistance movement against a reigning government? Check. Judges humanity and bores a dark messiah persona after a massive failure upon his mission? Check. Elpizo is the cloest thing to that of a CCA Char Clone out of all the characters and even in the end his fate transcends into another plane of existence.
• Clipped-Wing Angel: Despite being visually impressive, his lack of mobility makes his new body a sitting duck. It becomes worse when you realize that his attacks aren't actually much stronger than his first form and are now horribly easy to anticipate and dodge (especially with the rather wide room you're in), and thus the fight becomes a bit of a Curb-Stomp Battle. This might be justified, though: Elpizo couldn't bring out the Dark Elf's full power because his body simply wasn't designed to do so (that would be Omega). When he tried to bring out that power regardless, it's heavily implied that it drove him even more insane and left him unable to properly use his newfound strength.
• Contrasting Sequel Antagonist: Elpizo is essentially built up throughout Zero 2 and the background materials as the opposite of Copy-X in almost every way. Copy-X was built specifically to fulfill the role of X, the most powerful and famous Reploid alive. Elpizo was just a common Reploid who didn't even have the luxury of a name. Copy-X was made with power to match X, while Elpizo was a non-combat model who had to find ways to get power. Copy-X leads a "utopia" that ultimately wound up persecuting Reploids per his misguided efforts for the sake of ensuring humanity's safety. Elpizo leads a resistance meant to fight back against said persecution while also harboring a dangerous grudge against humanity that leads him to desire to kill them all for the safety of Reploids. Copy-X has an angelic One-Winged Angel form that reflects how he himself and the human population see him as a savior, while Elpizo ultimately transforms into a demonic form that reflects how far he's fallen from his old goals. And while Copy-X dies (both times!) still utterly convinced of his own righteousness and unable to comprehend how a "villain" like Zero could defeat him, Elpizo lays dying horrified at his own actions and thankful of Zero stopping him before becoming a Cyber-Elf.
• Dark Messiah: Judging from his quote from the drama tracks:
  My name is really... Elpizo! I am the one who was chosen to become the hope of all the Reploids being oppressed in Neo Arcadia! To do that, Baby Elves, I'll need your... your power! That's right... power... more power!!
• Destined Bystander: His role as Big Bad happens only after halfway through the game. Before the events in the game, he was also just a common Reploid who went by a serial name, TK-31.
• Drunk on the Dark Side: When he goes One-Winged Angel.
• Drunk with Power: And even before then, it's obvious he gets more deranged and unstable the more of the Dark Elf's power he gets.
• Dub Name Change: Elpizo was named "Elpis" in the Japanese version. The "-zo" may be an attempt to make the name masculine^note although Elpizo can mean "to hope (for)", making the allusions still apply; Elpis was a female Greek deity.
• Energy Ball: His second form fires a lot of these.
• Energy Being: He becomes one at the end of the second game. In the third game, a mod card makes a cyber elf appear near the commanding room door; it's rumored to be Elpizo.
• Evil Costume Switch: The Dark Elf decks him out with a suit of white and gold, along with a golden-bladed laser rapier.
• Expy: His position as leader of the main heroic organization before his Face–Heel Turn, his desire to Kill All Humans for the benefit of reploidkind, and his harnessing of the Dark Elf, which allows him to force Reploids into servitude under him, makes him Zero's version of Sigma. This is pointed out in-universe by one of the Resistance members who has access to old files talking about the Maverick Wars, who compares Elpizo to Sigma without using the latter's name.
• Face–Heel Turn: After the failure of Operation Righteous Strike, he decides that getting a great source of power (in this case, the Baby Elves) will help him destroy Neo Arcadia, and then he becomes the Big Bad.
• Failure Is the Only Option: The latter half of Zero 2 involves trying to catch up to him. Guess what happens every time.
• Fallen Angel: His One-Winged Angel form deliberately brings out the comparison, showing just how far he's fallen in his original goals and how much the Dark Elf has truly corrupted him. In a way, it also seems to compare itself to that of Copy-X's own One-Winged Angel form, furthering the contrast between the two.
• Fantastic Racism: Him against the humans, though he still puts Ciel in high regard. At the end of the game, he admits that he was wrong about humans and apologizes for trying to exterminate them.
• Fantastic Terrorists: Encourages the Resistance to undergo terrorist methods under his leadership, aiming to personally overthrow Neo Arcadia for a better empire.
• A Father to His Men: He genuinely earned the loyalty of his personal Resistance members, and his response to realizing that Operation Righteous Strike is going horribly wrong is to immediately warp to the battlefield himself to try and salvage the situation. When that fails, his message to the Resistance upon leaving is one where he shoulders all the blame for the deaths... and it's the tipping point for his sanity.
• Final Boss: In Zero 2.
• Flunky Boss: His first form in his boss battle can summon a Pantheon Guardian or a rolling Spiking to aid him.
• Forbidden Fruit: He thinks of "entering the forbidden room and gaining the classified knowledge of Elf Wars".
• From Nobody to Nightmare: From just a common Reploid into one with the ambition to destroy Neo Arcadia. All because of an accident.
• Gender-Blender Name: Elpis is a Greek goddess of hope. Wonderfully ironic considering what he does, but despite appearances, he is a man. His name was changed to Elpizo overseas because of this, likely to make him sound more masculine.
• Go Mad from the Revelation: The moment where the forbidden knowledge of the Elf Wars flowed into him would change his life. Although he didn't exactly go mad until he was forced to run from Neo Arcadia, starting from declaring that he's "Elpizo".
• He Knows Too Much: According to the radio drama tracks, Elpizo, originally going by his model number TK 31, was a bureaucratic model who was part of an investigation team for ruins related to the Elf Wars and related conflicts which were considered forbidden knowledge. When he accidentally stumbled across documents relating to these conflicts, Harpuia tells him to forget what he saw there. One week later, he learns that the settlement he was investigating was destroyed and the other members of the investigation team went missing right when he is declared a Maverick by Harpuia with the real reason for being labeled as such being because he knew too much about the Elf Wars.
• I Just Want to Be Special: Starting from his escape from Neo Arcadia, he (an otherwise normal Reploid) was convinced that he's a big deal, by calling himself "Elpizo". Later on, while he first acts awkward when he's pushed into the position of Resistance commander, he soon gets overconfident about himself and his strategy, thinking that he can now destroy Neo Arcadia. When his Operation Righteous Strike failed, he's convinced that he's not "special" enough and tries to find the Dark Elf, partly to attain more power and partly to become the Reploid savior that "Project Elpizo" aims to create.
• Ironic Echo: One of his quotes sounds a lot like something Iris would say, doesn't it? Though Elpizo puts much more emphasis on the "no humans" thing: While Iris merely favored a separate world, Elpizo...well, see below.
• Kick the Dog: Zero finally catches up to Elpizo, only to be incapacitated; Elpizo then forces Zero to watch Elpizo destroy X.
• Kill All Humans: His motive, at least when on his power-high. He's appropriately horrified after his defeat and sincerely thanks Zero for stopping him before he could get that far as he lays dying.
• The Leader: In Zero 2, he organizes guerrilla operations and data retrieval and has a good battle plan in general, but in battle he rushes in with his Operation Righteous Strike army without having too much of a backup plan.
• Leitmotif: "Combustion".
• Life Drain: His first form can launch 6 orbs at Zero that will latch onto him if he's hit. The orbs will then fly back at Elpizo, each of them healing him.
• Light Is Not Good: First half of his Final Battle only, when the Dark Elf gives him armor of white and gold, in addition to a golden-bladed rapier. He's also full-on Drunk with Power and just declared his intent to kill every human in Neo Arcadia.
• Meaningful Name: His name in Japan, Elpis, means "hope" in Greek. He renamed himself after Project Elpis, a project that revolves around creating a special Reploid to become a perfect ruler and "savior" (courtesy of Dr. Weil).
• Murder the Hypotenuse: Not directly stated, but given it's not hard to interpret Elpizo as having romantic feelings for Ciel (who only has eyes for Zero), it's also not hard to look at Elpizo's attempt to kill Zero during the final battle as at least partially motivated along these lines.
• My God, What Have I Done?: After his defeat, he realizes just how he's fallen, both in goal and sanity, and thanks Zero for stopping him before he could carry out his plans.
• One-Winged Angel: The final boss standard. He gains 4 wings during so.
• Painful Transformation: Absorbing the Dark Elf into himself for the first part of his final battle with Zero has him noticeably pause and grunt in pain, in addition to hunching over as it changes him. Becomes very obvious when he goes full-on One-Winged Angel, though, where he screams in pain as he transforms.
• The Paragon Always Rebels: He was the Resistance commander before he screwed up Operation Righteous Strike, and then he becomes the Big Bad.
• The Paranoiac: Especially after he was declared Maverick for accidentally exploring the forbidden knowledge of the Elf Wars (in one of the drama tracks), he slowly shows paranoid behaviors, starting from having delusions of grandeur (by declaring himself Elpizo instead of TK-31 after he escaped from Neo Arcadia), as well as the desire to destroy Neo Arcadia and human society to free himself from the fear. And by the events in the game, it becomes more and more obvious.
• Pillar of Light: His Desperation Attack of his first form has him planting his sword on the ground which emits this. It also sends harmful debris outwards.
• Power Glows: He glows purple in his first boss form.
• Properly Paranoid: Amongst the reasons for him wanting to push through with Operation Righteous Strike were the belief that Neo Arcadia would simply force Ciel to hand over her energy research and then wipe the Resistance out. Come Zero 3, Elpizo's views are proven right when Copy X Mk. II and Dr. Weil do just that.
• Prophetic Name: Invoked by renaming himself after Project Elpis. Note that he understood the "prophecy" wrong here (there's nobody actually named "Elpis" in that project).
• Purple Is Powerful: Initially subverted, but upon reaching his One-Winged Angel form, it fits.
• Redemption Equals Death: He thinks this is the only option for him after Zero defeats him, until the Dark Elf turns him into a Cyber Elf, much to his thanks.
• Red Eyes, Take Warning: His eyes go from blue to red after fusing with the Dark Elf.
• The Resenter: To Zero, whether it's for his strength as a warrior that Elpizo craves to have himself, his popularity within the Resistance which Elpizo himself is shown to have some insecurities over, or the fact that Ciel favors Zero over himself. Note his passive-aggressive attitude toward Zero in the first half of the game. Which turns to just plain aggressive by the end.
• Right for the Wrong Reasons: Neo Arcadia Neo was originally wrong because he was declared Maverick among many other innocents to reduce competition for energy.
• Rousseau Was Right: Elpizo is actually a good guy (if somewhat short-tempered and likes to take a violent approach), he's just too ambitious with gaining power from the Dark Elf and then getting drunk on it. Also, in the drama tracks, if only he never found the room containing the secret data about Project Elpizo, he'd never be so violent like what we see him as now.
• Royal Rapier: Laser Blade variant.
• Stab the Sky: One of his attacks involves this.
• Survivor Guilt: Contributed to his Face–Heel Turn.
• This Cannot Be!: After Zero defeats his first form, he's left stunned at the fact despite wielding the power of the being that brought the world to ruin. It prompts him to yell at the Dark Elf to grant him more power. She most certainly does.
• Took a Level in Badass: He's helpless at first, but when he starts taking the Dark Elf's power, he single-handedly tears through Neo Arcadia's defenses and becomes the Final Boss.
• Transformation Is a Free Action: His absorption of the Dark Elf and her transformation of his body into his first form takes quite a bit of time, leading Elpizo to "thank Zero for waiting." Of course, the only reason Zero didn't rush over and try to slice him apart is because Elpizo immobilized him with the Baby Elves' power before destroying X and taking the Dark Elf.
• Villain Has a Point: His warning to Ciel that Neo Arcadia would just take her energy research by force is proven right in Zero 3, when Copy X Mk. II and Dr. Weil force the Resistance to hand over the Ciel System's schematics or risk annihilation by the Neo Arcadian Army.
• Well-Intentioned Extremist: Perroquiet points out that his intentions are similar to Sigma's. It is also directly contrasting to Copy-X's goal.
• With Great Power Comes Great Insanity: Even the premise of the great power brought on by the Dark Elf already turned him into a more ambitious person. Predictably, when he actually obtained the Dark Elf, he becomes more deranged and delusional.
• Woobie, Destroyer of Worlds: Let's see, he ended up stumbling on information relating to Project Elpis/Elpizo when ordered to inspect a sunken library, found out by Harpuia, and told to forget everything he saw. Some days after, he was then declared Maverick by Harpuia, who was going to take him to be tried under the Eight Gentle Judges, but he escaped and fled from Neo Arcadia, swearing to take it down one day. In the events of Zero 2, he tries to launch a counterattack on Neo Arcadia after Zero terminated Copy-X, and despite organizing the plans in such a way that on the surface should grant him and the Resistance victory, he ends up losing horribly, with several of his men killed, and he then tries to unlock the Mother Elf so he could then make a Reploid paradise as a result of being unable to bear the devastation of the Resistance's loss due to his plans. And when Zero finally stopped him, he's horrified at the thought of what he was trying to do, and thinks that he deserves his death. Fortunately, the Dark Elf feels sympathy towards him, momentarily turning her into the Mother Elf and turns him into a Cyber-Elf to spare him from death.
• You Will Be Spared: Wishes to exterminate the human race, but still has feelings for Ciel.

Baby Elves

Left: Crea, right: Prea

Creer and Prier (Crea and Prea in localized versions) are two Cyberelves, under the same influence the Dark Elf is under. They are searching for their mother (Dark Elf) and in Zero 2 convince Elpizo to help free her. When Zero 3 comes around, Dr. Weil convinces them he is their grandfather, and he wants to "help" the search. They fight Zero a few times in Zero 3. They are able to forcibly mutate Reploids into their One-Winged Angel forms and when forced can even fight either individually or combining their powers.

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• Alternate Character Interpretation: In-universe. Most of the Resistance, Ciel and Alouette especially, think they're cute little bundles of energy that hold the key to ending the war. However, Zero finds them unsettling, and they openly hate him for his part in banishing the Dark Elf. They are also the spawn of a Heel–Face Revolving Door Hate Plague. Nobody compares notes.
• Baby Talk: Most of their dialogue in Zero 2, except for when they're saying "Mama." Lampshaded by Alouette in Zero 3 as she reminiscences on them, though it's averted in said game as they've learned to talk in complete sentences.
• Bait-and-Switch Boss: In the third game, Zero tries to enter an ICBM that carries Omega and slay him while he's inactive. However, before Zero can reach him, the Baby Elves block his way, fighting Zero long enough for the missile to reach its destination, causing thousands of deaths and allowing Omega to take the Dark Elf there.
• Blue-and-Orange Morality: In their eyes, anyone willing to help them reunite with their "mother" is a good guy, and anyone who would keep them apart is a bad guy. They don't care at all about the atrocities Dr. Weil has committed and in fact see him as their "grandfather" figure since he turned the Mother Elf into the Dark Elf, and they see Zero as a villain simply because he helped sealed her away. Heck, they only seem to really acknowledge the "Dark Elf" persona as their mother since they flee in terror when she briefly returns to being the Mother Elf at the end of Zero 2.
• Brainwashed and Crazy: What they can do to any Reploid they possess, such as Harpuia in Zero 2.
• Chekhov's Gun: One of the twins is first found inside a container in Ciel's room at the beginning of Zero 2^note mentioned to have been taken by Elpizo from Neo Arcadia prior to the events of the game, while the other one is a MacGuffin in Hyleg Ourobuckle's mission.
• Co-Dragons:
  • To Elpizo in Zero 2, helping him gain control of the Mutos Reploids that are in their way while guiding him to the Dark Elf's prison.
  • Also towards Dr. Weil partway through Zero 3, a position shared with each other as well as with Omega.
• The Corrupter: It's all but stated being around the two of them is what caused Elpizo to start Jumping Off the Slippery Slope and getting Drunk on the Dark Side even before he got his hands on the Dark Elf, playing on his guilt to make him willing to help them free the Dark Elf from X's seal.
• Creepy Twins: As they're cloned from the Dark Elf, this is a given. They can turn Reploids into monstrous versions of themselves and will stop at nothing to reunite with their mother.
• Death of a Child: Zero kills them after the boss fight near the end of Zero 3.
• The Dividual: There really isn't anything to distinguish the Baby Elves between one another aside from their color. In the Boss battles against them, in fact, they even share energy bars.
• Dual Boss: Compared to other examples, however, they're actually really easy; for starters, they share a life bar, but not Mercy Invincibility.
• Elemental Powers: They use ice and fire attacks.
• Energy Being: Being a Cyber Elf and all.
• Enfante Terrible: Baby Elves in general are clones of the Dark Elf, being meant to propagate the Dark Elf's corruption.
• Eyes Always Shut: They always look like they're sleeping.
• Foreshadowing: They call Zero "faker", for some reason.
• Fusion Dance: Like their mother, they can mutate any Reploid, and enhance their abilities. In their boss fight, they can also fuse with each other, becoming bigger and launching stronger attacks.
• Horrible Judge of Character: Dr. Weil convinces them he is their grandfather, and he wants to help them find their mother. Also, he asks them to harass Zero a few times 'cause he's a big meanie head.
• Ironic Name: The irony doesn't just come from the names; Alouette named them "Create" and "Pray" based on her hopes on them ("Please create a new energy source for us... please let my prayers reach them..." See Lower-Deck Episode). Guess what they used to do long ago? They're used as one of Weil's instruments in the Elf Wars. Also, in the third game, Zero killed them. One wonders what will Alouette say after this...
• Leitmotif: "Creer and Prier".
• Single-Minded Twins: Reflected in how they tend to repeat each other's sentences with some minor variation in Zero 3, though since Crea is the one who tends to initiate conversations while Prea follows up, it suggests that the former at least is the more assertive of the two.
• Spell My Name With An S: Creer and Prier in Japanese, Crea and Prea in English.
• Theme Twin Naming: French for "create" and "pray". In the drama track "Diary_Alouette's Good Day", where Alouette wanders the base gathering suggestions for names, those suggestions include: Plus and Minus, Anode and Cathode, Crime and Punish, Love and Peace, Azul Luna and Rojo Sol, Blanc and Noir, and Hypnos and Thanatos.
• Took a Level in Badass: It's implied their combat-capable forms in Zero 3 were thanks to Dr. Weil, as he offers while telling them he wants their help in finding the Dark Elf that he can even give them new bodies if they want.
• Tragic Monster: Both of them started off as innocent babies, but Weil enabled them into doing cruel things without understanding what harm they were causing and Zero ultimately had to kill them and they cried out in pain for their mama while screaming about feeling like pins and needles stabbed them and clubs and hammers hit them as they died.

Mission Bosses

General

Tropes pertaining to Bosses (and their respective levels) that appear in the second game. (Elpizo has his own folder.)

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• Advancing Boss of Doom: Zero is chased from the left while battling Mega Scorpia.
• Brainwashed and Crazy: Thanks to Elpizo, the incomplete Dark Elf, and the Baby Elves, the Bosses that turn up in the Boss Rush end up in this predicament and inadvertently become mindless puppets to them. They recover their memories just as Zero kills them for good.
• Call-Back: Mega Scorpia is one to Mega Scorpio in Mega Man X7.
• Hero Antagonist: At least, neutral antagonist. Some of the bosses are involved in protecting important military sites or keeping the Baby Elves out of the hands of people who can't be trusted with them, rather than executing innocent Reploids.
• Power Copying: Each of their EX Skills that they only perform when faced with a rank of A or higher can be replicated in some form by Zero.
  • Hyleg Ourobuckle: Laser Shot
  • Panter Flauclaws: Spark Shot
  • Phoenix Magnion: Tenshouzan
  • Poler Kamrous: Triple Shot
  • Kuwagust Anchus: Sengatotsu
  • Burble Hekelot: Energy Chain
  • Rainbow Devil Mk. II: Filter Shield
• Scary Scorpions: Mega Scorpia is based on a scorpion.
• Sequential Boss: The Boss Battle of the Residential Area (the mission to rescue Elpizo) pits Zero against three Elemental Golems, one after another.
• Stock Animal Behavior:
  • Despite being part of the same division of the Neo Arcadian army, Hyleg and Burble hate each other's guts; in real life, snakes are said to eat frogs.
  • Panter running on all fours.
  • Magnion swooping down at you.
  • Burble using his tongue to latch onto you and/or eat caterpillar droids, as well as jumping around.
  • Kuwagust grabbing you with his beetle horns.

Hyleg Ourobockle

A cobra Mutos Reploid, formerly of Phantom's Cutting Shadow Squadron. He intercepts Resistance soldiers who tried to recover one of the Baby Elves in the Forest of Dysis, but ends up fighting Zero.

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• Creepily Long Arms: Hyleg Ourobuckle has a pair of long, flowing arms that look like cobras.
• Dual Boss: In a variant, Hyleg Ourobuckle, assisted by the snake Mechaniloid on which he and Zero are standing for battle.
• Grapple Move: Hyleg Ourobuckle can warp his long arms through his snake Mechaniloid's segmented body to grab Zero from far away, even if the serpent's bodyparts are separated.
• Kaizo Trap: If you fall down after dealing the final blow to Hyleg, you'll still die. Even if Zero still falls down in the post-battle cutscene. Justified by the Spikes of Doom on the floor - in the cutscene they're already covered by the wrecked snake Mechaniloid.
• Ouroboros: Hyleg Ourobuckle. The Ouroboros symbolism only appears in his snake Mechaniloid, though (when it transforms into a circular shape).
• Platform Battle: Hyleg Ourobockle is fought on top of his Segmented Serpent Mechaniloid named Altoloid, over a spike pit, which can move its body parts around, potentially confusing you.
• Verbal Tic: Hyleg Ourobuckle: "Hissss!"

Poler Kamrous

A polar bear Mutos Reploid, of Leviathan's Deep Sea Squadron, who guards the Computer Zone facility, that controls Neo Arcadia's defense systems.

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• Ambiguous Gender: Poler Kamrous is stated to be female in the English manual, but the Official Complete Works (which already has many translation errors) book uses "he" instead. In the Japanese script of the game Poler uses masculine "ore" personal pronoun (still isn't a decisive proof), while the Japanese manual doesn't comment on the matter. In the end, it's unclear if Poler's gender is a translators' invention, a mistranslation, or in fact a proper translation.
• Bears Are Bad News: Poler Kamrous is based on a polar bear.
• Boss-Altering Consequence: Poler Kamrous' stage involves destroying several cooling systems scattered around the level before reaching her that lower the temperature of her boss room. If none of them are destroyed, the room has a reading of -15 Celsius and the floor will be covered with patches of ice that makes mobility more problematic. Destroying all four will raise the room temperature to 5 Celsius and all the ice is melted, removing the gimmick entirely for a straight brawl.
• Brick Break: Polar Kamrous' EX Attack, summoning a wall of ice that she then shatters to send fragments everywhere.
• An Ice Person: Poler Kamrous has ice powers.
• Mighty Glacier: Poler Kamrous, almost literally considering her powers. She's huge and her attacks have decent coverage and impressive strength behind them, but her movement speed is slow and her attacks have enough windup it's generally easy to dodge them.

Phoenix Magnion

Magnion voiced by Yuuto Kazama

A Phoenix Mutos Reploid, formerly of Phantom's Cutting Shadow Squadron. He is stationed at Power Room, that supplies power to a weapon manifucturing plant.

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• Boss-Altering Consequence: Because of the Power Room's unconventional dungeon-like layout as opposed to a linear path, if you watch where you're going, you'll see certain reactor rooms have more or less metal grates on the floor (bullets from the reactors also ricochet off the metal; some rooms have solid floor panels where bullets just fizzle out on impact). There are 2, 4, 6, and 8, respectively. Whichever reactor you destroy last is where Phoenix Magnion will make his entrance into the stage, and he will cause lava to erupt from these grates. If you were cautious, then you can end up with as little as two grates to contend with that are easy to ignore, but choose poorly and you've got a massive challenge ahead of you, and the hardest place to fight him is sadistically placed the furthest into the stage to snare rookie players or careless veterans.
• Dash Attack: Phoenix Magnion's Psycho Crusher-esque attack (he even flies backward before doing so). As well as Kuwagust's EX Skill.
• Doppelgänger Attack: One of Phoenix's attacks is to surround Zero with himself and 3 of his copies, and then strikes Zero with his tail. Attacking the real Phoenix will stop the attack.
• Enemy Summoner: Phoenix Magnion's special attack summons illusions of Vile, Agile, Bit, and Colonel.
• Feather Flechettes: One of Magnion's attacks is to shoot fiery feathers in four directions.
• Grapple Move: Phoenix Magnion has a move where he swoops down on Zero and grabs him on his legs, then he uses illusions of past Mega Man X characters to attack Zero.
• Hot Wings: Phoenix Magnion, predictably.
• Lens Flare: You know Phoenix Magnion is really something when he manages to do this in a GBA game.
• Marathon Level: Magnion's level basically qualifies as a Metroidvania on its own, a maze with various passages in several directions that will confuse first-time players. And Magnion can be fought in either one of four rooms (the four reactors, the objective of the mission).
• The Phoenix: Phoenix Magnion is based on a phoenix, obviously.
• Playing with Fire: Phoenix Magnion has fire powers.
• Suddenly Voiced: Magnion is the only main boss (aside from the Guardians and Elpizo) that has fully voiced battle lines instead of grunts or animal noises.
• Teleport Spam: Phoenix Magnion. He can only be attacked when he's attacking.

Panter Flauclaws

A black panther Mutos Reploid, of Harpuia's Strong Air Battalion. He fights Zero on a Train of Neo Arcadia that Resistance tries to rob.

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• Early-Bird Cameo: Flauclaws appears in the commercial to Zero 2, where he is depicted larger in scale than his actual in-game model.
• Kaizo Trap: Make sure you have something to stand on below you when you finish off Panter. If you don't, you'll simply fall down to your doom.
• Panthera Awesome: Panter Flauclaws is based on a panther.
• Platform Battle: Panter Flauclaws is fought on 2 separate moving trains, with a bottomless pit in the middle.
• Shock and Awe: Panter Flauclaws has lightning-based powers.
• Spread Shot: Magnion can fire 3 spreads of flame projectiles, while Panter can do the same with his claw beams.
• Sword Beam: Panter Flauclaws can throw these out of his Wolverine Claws.
• Traintop Battle: Panter Flauclaws, following the Locomotive Level. In a variant, you're battling on top of 2 moving trains that go side-by-side.

Kuwagust Anchus

A stag beetle Mutos Reploid, of Harpuia's Strong Air Battalion. He wishes to get revenge for his brother, Herculious from the fist game, and attacks Zero while he returns from the mission on Neo Arcadian Airship.

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• Big Creepy-Crawlies: Kuwagust Anchus is based on a stag beetle.
• Blow You Away: One of Kuwagust Anchus' regular attacks has him create a tornado that drags you in so he can grab Zero with his mandibles. His EX Skill is to spin his pincers to create a cyclone that can push Zero off the edge.
• Dual Boss: Kuwagust Anchus teams up with his brother Herculious Anchortus for the requisite Boss Rush.
• Grapple Move: Kuwagust Anchus has two: one where he uses his stag beetle horn as a fan to attract Zero towards himself and then grab him with the horn and release an electric blast that deals massive damage. Another has him simply lunging towards him for a choke hold, depleting Zero's health while in that state.
• Kaizo Trap: In the beetle brothers' Dual Boss fight, they won't be defeated right after you deplete their healthbar. Instead, they'll try to do a dual attack, fail, and crash into each other and destroy themselves. If you fail to jump over them, you'll take damage.
• Revenge: Kuwagust Anchus is motivated to fight Zero for killing his brother, Herculious Anchortus.
• Shared Life-Meter: Kuwagust and Herculious don't have individual health bars during their Dual Boss battle.
• Tornado Move: Kuwagust can create a horizontal tornado that either sucks you in or blows you away from him.

Burble Hekelot

A frog Mutos Reploid, formerly of Phantom's Cutting Shadow Squadron. He guards the sacred Forest of Notus... Or he should, anyway, as he fails to notice a real trespasser, and fights Zero instead.

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• Bubble Gun: Burble can fire these, which doesn't do damage but will hamper Zero's movements.
• Cephalothorax: Herkelot's general design.
• Creepily Long Arms: Subverted with Burble Herkelot, who also can stretch his arms but they have a cuter design.
• Flunky Boss: Whenever Herkelot shakes walls of the room, small caterpillar-like Mechaniloids will fall from the ceiling. However, their real threat isn't as an enemy, it's as a Power-Up Food for Herkelot to eat.
• The Guards Must Be Crazy: Burble was supposed to guard the gate in the Forest of Notus and yet Elpizo passed through without being seen by him. When he stopped Zero at the same place, Burble claimed that he could feel the presence of someone in the other side of the gate but immediately dismissed the idea, saying that no one could have crossed it without being noticed by him and that it could be just a problem with his sensors.
• Life Drain: For his EX Skill, if Zero gets caught by Burble Herkelot's tongue, he'll drain Zero's energy to replenish his own. Zero can learn this his and then used with the Chain Rod.
• Magikarp Power: Burble can summon some caterpillar droids that he can eat to make himself grow bigger and able to access his stronger moves.
• Multipurpose Tongue: Burble Hekelot's specialty, being a frog.
• Rolling Attack: Burble Hekelot is fond of this.
• Verbal Tic: Burble Herkelot: "Ribbid!"

Mega Man Zero 3

Dr. Weil

The true main antagonist of the series. See his page for everything about him.

Omega

^{Click here to see his true body (SPOILERS)}

Ware wa meshia nari! ("I am the Messiah!")

Voiced by Jun'ichi Suwabe

During the Elf Wars, Omega was created by Weil to exterminate the Reploid race. The bulky armor and the personality/program are Weil's original creations, but inside the armor is Zero's original body. However, he was brought down in a joint attack by X and Zero, and launched into space. At the beginning of Zero 3, Omega's ship crashes to Earth, and he is used by Weil to seek out the Dark Elf as part of his plan. However, Omega is eventually destroyed by Zero. He is the only final boss in both the Zero and ZX series to have three forms.

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• Arm Cannon: Oddly averted. Despite being said to be inhabiting Zero's original body, he uses a handheld gun rather than his built-in Z-Buster. See Informed Attribute below.
• Art Shift: That his form after crossing the Bishōnen Line appears as a Palette Swap of the Zero series' Zero confirms that the Art Shift is meant to be retroactive.
• Ascended Fridge Horror: Zero was made by Wily as a means to bring chaos to the world, but fortunately he ultimately turns good before it can happen. Then comes Omega, who did exactly that — without Weil even (possibly) aware of Wily's intentions.
• Attack Its Weak Point: In His first form, his only vulnerable point is his head and chest area. In his second form, his only vulnerable point is his grey middle head. Which makes sense, as that's where his main body is located within the armor.
• Attack of the 50-Foot Whatever: His second form. He's so big the fight only takes place around his head.
• Ax-Crazy: We're talking Khorne Berserker levels. His sole goal is to kill and to do his master's bidding.
• Back from the Dead: While Zero managed to seemingly destroy Omega at the end of Zero 3, Omega somehow manages to return in ZX in area N where he is taken out by Vent/Aile for good. Word of God implies that his appearance is canon since Flamole sensed his presence in the area above N.
• Badass Cape: He wears white with a red trim.
• Battle Amongst the Flames: For his final form, you fight him in the intro level in Zero 1, where Zero was sealed, now Wreathed in Flames from his armor's explosion.
• Beast of the Apocalypse: Ax-Crazy yet loyal Dragon to Dr. Weil. Caused the demise of 75% of all sentient life (combined total of humans and Reploids). Making things even more horrifying is that Omega is exactly what Dr. Wily intended Zero to be: a destroyer of civilization. Sprinkle a little extra Fridge Horror on there when the reveal is made that Omega is Zero's original body, meaning that Wily succeeded.
• Becoming the Mask: Mega Man X DiVE reveals he believes he really is the original Zero, and cannot comprehend the idea of Zero's copy body containing his original consciousness or that ViA fits the bill better than he does.
  • In a sense, he is right. As he is essentially Zero's original Axe-Crazy personality (as seen when Zero was first discovered / Awakened Zero seen in the Mega Man X series).
• The Berserker: Ironically, exploiting this trope is the best way to kill his third form in Zero 3. (Not in ZX, as it's dialed up.)
• BFG: Of the Arm Cannon variety in his One-Winged Angel form, mimicking Mega Man X, no less.
• BFS: in both his first and second forms, although the latter of which, strangely enough, he doesn't even use. This is due to the restraints imposed by the GBA's capabilities.
• Bishōnen Line: After, you guessed it, a One-Winged Angel. Justified; his first two forms are effectively a mech that he pilots, whereas his third form is his true body, which was Zero's original body, which is naturally stronger than most other robots. He's now far more agile and deadly than his previous forms.
• Boss Remix: His first form's battle theme, "Omega Battle", of the former.
• Call-Back:
  • After you beat Omega's second form, you and his remnants fall into a familiar place: The same lab where Zero was sealed, wreathed in flames. And then, suddenly a Pillar of Light shines up — mimicking Zero's unsealing in Zero 1 — and then Omega Zero appears from the rubble, released from the "seal".
  • His final form also exhibits many moves Zero used to have in the X series, including the infamous buster-buster-Sword Beam combo.
  • The opening notes of Cannonball are a remix of Doppler's boss theme.
• Catchphrase: "Ware wa meshia nari!" (I am the messiah!)
• Chunky Updraft: In his final form, Omega's power is so massive that pieces of the abandoned lab's wreckage hang suspended in the air around him.
• Clothes Make the Legend: A rare villainous example. He was well-known for his armor's massive size (dubbed the largest Reploid in existence), and no one really knows that the actual body wearing it is Zero's original body.
• Climax Boss: The only unsatisfying thing about his battle is that Weil was still alive at the end of the game.
• Continuity Nod: All of Omega Zero's attacks are Zero's own Signature Moves from the X series. Including the much-forgotten Z-buster (two shots + Sword Beam) combo. And the even more forgotten Zero Final from the Xtreme games.
• Coup de Grâce Cutscene: Inverted — after you successfully deplete Omega's last form's health bar, a cutscene will appear where Zero will try to attack Omega - only for the Dark Elf to protect him and regenerate him. Then the 4 Guardians come to attack Omega some more, and the Dark Elf's curse is finally gone. Then Zero gathers a small bit of strength back for him to deliver a single slash to finish Omega off...and you can control Zero during that part. In short, it turns the Coup de Grâce Cutscene into s Zero-Effort Boss.
• Cross Attack: His Laser Blade BFS, fitting given his intended purpose as a Dark Messiah.
• Cutscene Power to the Max: The story depicts him as the strongest Reploid in existence, having bested Leviathan and Fefnir on his own and taking Zero's and Harpuia's best attacks before absorbing the Dark Elf. In actual battle, though (even in his One-Winged Angel), he's a real pushover (once he crossed the Bishounen Line, however...). Notably, he was originally planned to be a tougher enemy that was a lot more mobile, but the GBA's limitations meant he was restricted to just sitting still in his first two forms.
• Desperation Attack: If you see Omega Zero rush at you with a low-flying dash jump, get the hell out of the way or be subjected to a 7-hit inescapable beatdown. On Hard mode, where you can't extend your life gauge, this attack means certain death. And in the ZX rematch, he will do this all the time at random. Lovely.
• Destroyer Deity: God Guise variant. His power is god-like and his destructive capacity and impulses are very real, but as still a Reploid, he's still not divine in nature.
• Detachment Combat: In his first form, Omega can detach his arms.
• Ditto Fighter: Omega is revealed to be the original Zero for his third form, and uses quite a lot of Zero's skills from the X series.
• The Dragon: He fits the personality of the actual Dragons in stories: Mindless monster who will demolish everything in sight, yet is very loyal to his master. As he was originally designed by Dr. Wily.
• Dragon-in-Chief: While Weil is far from helpless or incompetent (bar a few moments), Omega serves as the focus of the Resistance's attention and the final boss for the third game, and his destruction completely destroys Weil's plot for said game. It's revealed he's far, FAR more powerful than you'd expect...or anyone. While still loyal to Weil, he (basically) speaks of his own creation as a god. It's also revealed that he is not simply a pawn or slave of Weil's goals, but actually Zero's true body, merely upgraded to his full potential and potentially the most powerful enemy in not only the Zero series, but the entire franchise.
• Evil Counterpart: He is revealed to be one to Zero when he is revealed to be the original Zero.
• Evil Knockoff: Inverted. Omega is Zero's original body with upgrades and reverted to his original psychotic personality, courtesy of Weil.
• Evil Is Bigger: Is noticeably the biggest enemy Reploid outside of One Winged Angels...and his One-Winged Angel is the biggest of all. But subverted when it's revealed the "Omega" everyone thought they knew was simply a suit of Powered Armor. Omega himself is actually the exact same size as Zero, emphasis on "exact same."
• Eye Scream: Not directly, but in the backdrop of the Underground Laboratory, Fusion Omega's saber can be seen sticking out of the "X" head.
• Eyes Do Not Belong There: His gigantic form has six faces: one on his head, one on each shoulder, and three on his waist. Both heads on his left side evoke the shape of X's head, while the ones on his right are styled after Zero's.
• The Faceless: The type of which his entire face is covered by armor. If it wasn't, then the game's reveal would have much less impact.
• Final Boss: He is the final boss of Zero 3.
• Freefall Fight: Zero fights his second, gigantic form as they fall from the base they're situated in.
• Full-Potential Upgrade: As it turns out, Omega is the end result of this, courtesy of absorbing both the Dark Elf (which originated from Zero's original body) and Dr. Weil's modifications. Weil goes so far as to boast he upgraded Omega to draw out his full potential, implying Omega as we see him at the end of Zero 3, fully released from his Powered Armor and with the Dark Elf absorbed, is the strongest Zero himself has ever canonically been raw-power-wise, including X5's Bad Ending with Awakened Zero.
• Fusion Dance: He's the only one who can draw out the Dark Elf's full power since the Dark Elf originated from Zero's original body. His Dark Elf-enhanced form is styled after a fusion between X, Zero, and the Dark Elf.
• Gangsta Style: Omega's third form holds his gun this way.
• Generic Doomsday Villain: Technically, since he's completely mindless (he's simply programmed to kill, period) and having destroyed the world once.
• Giant Hands of Doom: He employs them in his normal form; it can float around and fire Rings of Death.
• A God Am I: after passing the Bishōnen Line, Omega declares "I am the Messiah!" Justified; after all the horrors he and his creator committed, the very few who survived the ordeal started calling him the "God of Destruction". Which was what Dr. Wily originally built Zero to be. Also, he was designed to become a "Reploid messiah", destined to lead the ideals of Dr. Wily into a new golden age better than what X and Zero could do.
• Golden Super Mode: After he absorbed the Dark Elf, his color turns gold and he becomes more durable.
• Grand Theft Me: Inverted, as it was technically not a theft, and Zero's heroic personality seen in the X series was not his original one. Dr. Weil received Zero's body legally from the government for his proposed Project Elpis. However, he then reset Zero's personality to the psychotic tool of destruction that Wily always intended him to be, setting Zero's loyalty to Dr. Weil, creating Omega.
• Ground Pound: In his Bishōnen Line, mimicking X-series Zero. Also has one that is similar to Zero's charged saber attack.
• Healing Factor: He seems to possess a limited version, as after Zero finishes fighting him the black parts of his armor spark with a green color before his floating arms (which had previously fallen down) float back up into position. He does it again after Harpuia unleashes his lightning assault. It's implied this is to ensure his Powered Armor isn't so easily destroyed, as it effectively acts as a Power Limiter.
• Humongous Mecha: His second form is massive.
• Informed Attribute: Despite being in possession of Zero's original body, he looks nothing like how Zero did in the Mega Man X series, instead having the exact same design as Zero does in the Zero series with a darker coat of red paint. The only reason why Zero looks different is because he's not in his original body, whereas Omega, being inside of that original body, doesn't have the same excuse. Justified since the artists for the Zero series stated they couldn't properly make Zero look like his appearance in the X series due to the technical limitations of the Game Boy Advance and them not being satisfied with that look and redesigning him.
• Knight of Cerebus: For two separate times, namely in the past (after X successfully got rid of the Maverick Virus on the world and the world was slowly recovering, he started the Elf Wars) and in the third game (where things become worse after Omega's rediscovery after he was exiled long ago).
• Leitmotif: "Exiled One (Omega)". "Cannonball" is a secondary one, used for his Omega Zero form.
• Meaningful Name: His name means "the end", and he is his creator's instrument in The End of the World as We Know It. Omega is also the last letter of the Greek alphabet, just like how Zero is often represented with a "Z", the last letter of the modern English alphabet.
• Meta Mecha: Omega's true form is contained inside the suit of Powered Armor he wears.
• Mind-Control Device: He can turn other Reploids into mindless slaves (when he fused with the Dark Elf). Only Reploids with virus countermeasures (Zero's are imperfect but still work, X and the Guardians have the perfect countermeasures) can resist it. Dr. Weil uses him to take control of all Reploids on the planet.
• Mirror Boss: With a twist! Omega's true form is Zero's original body. Downplayed in that, as a homage to X era Zero, Omega doesn't have any weapon other than the buster and the saber, and he has the Ground Punch moves that this series' Zero can't do.
• Names to Run Away from Really Fast: Ancient Dead Languages version.
• No Fair Cheating: Omega's final fight infamously pierces through Gameshark codes making Zero invincible, as his saber ignores normal Mercy Invincibility. Coupled with the fact that he's a ground fighter (making the use of moonjump cheats redundant), this means that most forms of cheating are useless against him.
• No-Sell: He shrugs off Fefnir's, Leviathan's, and Harpuia's attacks in cutscenes.
• Not Quite Dead: Even though Zero seemingly kills Omega at the end of Zero 3, he somehow manages to return in area N during ZX where Vent/Aile kill him for good. Word of God implies that his return is also canon since Flamole sensed his presence in the area above N.
• Older Is Better: Zig-zagged. Considering it's Zero's original body, which is over three centuries old at the point in the series by the time Zero manages to take it down, it's clear Dr. Wily knew what he was doing when he built him. Omega is able to shake off the Four Guardians with ease and was basically a walking apocalypse before the joint efforts of X and Zero managed to seal him away. Ultimately he only ends up being defeated because Zero knows his body and moves better than Omega does. However, Weil did say that he upgraded Omega and tuned him up to make him stronger and draw out his full potential, so if anything, Omega is technically like a mishmash of ancient super-advanced Wily tech and newer technology that dates back from the Maverick Wars era at least.
• One-Letter Name: One Greek letter name (Ω).
• One-Winged Angel: His second form is a gigantic 3-headed figure, and in battle, we can only see his head and upper body. For reference◊.
• Palette Swap: Upon absorbing the Dark Elf.
• The Paragon: According to the Official Complete Works, Dr. Weil's Project Elpis is described as a project to design a perfect Reploid ruler using the power of the Mother Elf to control all the Reploids in the world, avoiding them becoming Mavericks. The Reploid was Omega.
• Person of Mass Destruction: The chaos and destruction in the Elf Wars was mainly his doing, with the rest coming from the Dark Elf and Baby Elves' influences.
• Pillar of Light: When Omega Zero is released and awakened, a pillar of light appears, mimicking Zero's resurrection from the first game. Then, in the last boss fight, he can use this as an attack, and also to protect himself. In ZX, this move can heal him.
• Player-Exclusive Mechanic: Omega's final form provides a rare subversion: like Zero, he has a hit priority system that lets his combos ignore Mercy Invincibility.
• Powered Armor: The body most people assume is his is revealed to be a suit of powered armor for his true self.
• Power Glows: As Omega Zero, he glows white.
• Power Palms: He has an opening in his hands that could fire rings of energy. In his Omega Zero form, he also has knuckles similar to the Z-Knuckle of the fourth game (instead of a Z, he has a Ω), which is presumably used to focus his power (especially when he does the Ground Pound attacks).
• Promoted to Playable: Initially as the Biometal OX in Mega Man ZX, then properly as part of the playable cast in X DiVE.
• Red and Black and Evil All Over: His Bishōnen Line is red and black, and he's often called the God of Destruction. Courtesy of being Zero's original body, natch.
• Red Baron: Known as the God of Destruction.
• Red Eyes, Take Warning: As Omega Zero, he has red eyes.
• Reflecting Laser: One of his primary attacks in his first form.
• Robotic Psychopath: As a robot programmed solely to wreak chaos, this is inevitable.
• Say My Name: Before you fight his first form in the Final Boss fight, he shouts Zero's name.
• Sealed Evil in a Can:
  • If by "can" you mean "space".
  • He himself is a "can", as the container for the Dark Elf. In an inversion, the Dark Elf's nature makes Omega the more evil one, instead of the other way around.
• Secret A.I. Moves: As Omega Zero, as his abilities mimics X-era Zero (including the buster-buster-Sword Beam attack that you can't use even in the X series), Zero can't do some of his attacks, such as the Ground Punch ones and his EX Skill. Of course, he doesn't have access to the Recoil Rod, Shield Boomerang, some of Zero's exclusive EX skills, the Cyber Elves, and some modification chips aside from the double jump and absorber.
• Shoryuken: One of his attacks as Omega Zero.
• Shoulders of Doom: Fusion Omega's shoulders are monstrous versions of X's and Zero's heads. Yeah.
• Shout-Out:
  • Omega's finisher, the Ranbu, is based on the Shun Goku Satsu. It could also be a reference to Zero Final from the Xtreme duology.
  • Omega's second form has different-colored arms with heads for shoulders, and a white middle body. You know, there's some other guy named Omega who has the same appearance. ^note I mean, Omegamon. You probably won't get the catch easily, because Omegamon's name overseas is Omnimon.
  • The Ranbu could also be a reference to the Hyper Slash Combo (fan nickname), which could be performed in X4-X6 by rapidly performing two hits, dashing, and repeating the sequence pretty much endlessly.
• SNK Boss: In M.U.G.E.N renditions, at least. He comes much closer to this officially as ZX's Super Boss. While the patterns to avoid his attacks aren't any different, they dialed up his speed and he fires off attacks at random, including his Desperation Attack and self-healing ability.
• The Speechless: And every time he does speak, he only growls and rambles. The exceptions are after his powered armor has broken down, the first being his quotes above and the second involving his confusion when the Dark Elf reverts back into the Mother Elf. In his Event appearance in DiVE, this trope no longer applies.
• Super Boss: His Omega Zero form returns for a hidden rematch in Mega Man ZX. He's had lots of time to improve.
• Super Robot: He fills all the criteria for being one, even more so after transforming into an even greater humongous mecha.
• Sword and Gun: His weapons in his Bishōnen Line.
• Sword Beam: In his Bishōnen Line, he can fire these after firing his buster two times. He can also fire smaller ones in midair that covers most of the screen.
• Sword Plant: One of his attacks in his first form.
• Undying Loyalty: Despite being far more powerful than his creator Dr. Weil, he remains completely subservient to him.
• Voices Are Mental: Despite being in possession of Zero's original body, he doesn't share the same voice as Zero, instead having a much deeper voice. Justified, as being a Reploid, Weil likely outfitted him with a new vocal program in addition to his new mental programming.
• Wave-Motion Gun: In his second form, fired from his Arm Cannon.
• Walking Spoiler: His true form.
• Warm-Up Boss: In the intro stage. Quite ironically, his first form at the end of the game fights almost identically; he just has an extra attack in the form of actually using his BFS, more health, faster attack moves in general, and a gold Palette Swap.
• World's Strongest Man: So stupidly powerful that not even Zero is on the same level as him. He couldn't even be destroyed after the final battle of the Elf Wars, just jettisoned into space. On his own, he defeated Leviathan and Fefnir working together while taking hits from Zero and Harpuia. When fused with the Dark Elf, it takes the combined efforts of Zero and the remaining Four Guardians just to knock down his final form, and even then he'd have shrugged it off if the Dark Elf hadn't been turned back into the Mother Elf. Omega inhabits Zero's body after it was upgraded to draw out its full power — in other words, Omega is the Awakened Zero of X5's bad ending made into canon reality.

The Eight Gentle Judges/Weil's Numbers

General

Created by Dr. Weil, they were once the highest authority of the law in Neo Arcadia, leading the populace peacefully alongside X (both the original and the copy). After Dr. Weil returned, they were turned into Knights Templar as the rest of the military. They have judgement forms which are humanoid, and their decidedly more deadly punishment forms, which they turn into when they're prepared to carry out an execution sentence...violently.

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• Badass Cape: All of them have one each.
• Became Their Own Antithesis: When Weil reprograms them, they are turned into the opposite of themselves. For example, Glacier le Cactank goes from looking the other way for trivial offenses, to inflicting execution for even minor infractions. Kelverian went from having three independent thought circuits for always coming to a fair decision, to being the dumb muscle of the group. Deathtanz Mantisk goes from being proud of being an executioner with dull blades, to a sadist who is terrified of his own death.
• Bilingual Bonus: "Tretista" roughly means "three-headed" in Italian. "Biblio" roughly means "book" in Greek. Fitting, as his stage is in a flooded library.
• Brainwashed and Crazy: By Dr. Weil.
• Continuity Nod: Dr. Weil summons illusions of them in Zero 4 as his first form's special attack.
• Death of Personality: Weil reprogrammed them, essentially destroying their original selves and turning them into their polar opposites.
• Dub Name Change: In the North American version of Zero 3, Hellbat is known as Devilbat.
• Evil Laugh: After being brainwashed/reprogrammed by Weil, they start abusing this to a varying degree.
• Fire, Ice, Lightning: A set of two for each element, plus a fourth pair for the non-elemental. Again, it is the Zero series' tradition.
  • An Ice Person: Childre and Le Cactank.
  • Non-Elemental: Mantisk and Kelverian.
  • Playing with Fire: Flizard and Foxtar.
  • Shock and Awe: Schilt and Volteel.
• "Get Back Here!" Boss:
  • Biblio spends most of his time hiding between the walls, only emerging from one of four holes to attack.
• Healing Factor: Flizzard's tail can be destroyed, but he will just regenerate it as quickly.
• Light Is Not Good: They were supposed to be fair and just judges in white and gold attires, but when Dr. Weil returned, they got Brainwashed and Crazy.
• Luke, I Am Your Father: According to the official booklet Vile's Incident: Eden Dome, Its Sin And Rebirth, their creator was none other than Dr. Weil, which also explained why they simply exiled Omega to space rather than executing him.
• Marathon Level: Biblio's mission, which can take longer than any of the other Judges' levels because the objectives involve Zero retrieving files on the Elf Wars. The files are hidden in only a handful of rooms, standing side by side among empty rooms. The strain being the probability of getting into the wrong room several times. A hint is given to what room each file would be in, but the player has to be really eagle-eyed to notice.
• Mind-Reformat Death: Suffice to say, when Weil is done reprogramming them, who they were before is for all intents and purposes dead.
• Multi-Directional Barrage:
  • Flizard's EX Skill is to spin his frill and then fire projectiles all over the place with it.
  • One of Schilt's attacks is to spread out sound waves around him.
  • Le Cactank's EX Skill is to spin his flail around him and fire many ice spikes around him.
• Names to Run Away from Really Fast: Deathtanz Mantisk, Devilbat Schilt.
• Needle in a Stack of Needles: In the Sunken Library, Zero must figure out which out of 24 contains the Secret Disks he needs to complete the research on the Elf Wars, Dr. Weil and Omega. Only four rooms contain the disks in question, and they are randomized for each playthrough. The only hint Zero is given are the colors of each door as well as those surrounding it, shown before he enters the main room in question.
• One-Winged Angel: All of them have humanoid frames, but they can transform into animal-like battle modes called "Punishment" forms. Zero faces Inarabitta and Kelverian already in their Punishment forms but they also have a Transformation Sequence in the Boss Rush like the rest of the Judges.
• O.O.C. Is Serious Business: During the Drama Tracks when Harpuia hears four of the judges act cruelly to the severely damaged Fefnir and Leviathan, he realizes that something was wrong with them as Foxtar confirmed that they were all recently upgraded by Dr. Weil when he returned and reprogrammed into his Weil numbers in the process.
• Optional Boss: ZX features four of the Numbers as secret bosses in Area N: Childre, Flizard, Mantisk and Devilbat.
• Power Copying
  • Blazin' Flizard: Burst Shot and Fire
  • Childre Inarabbita: Throw Blade and Ice
  • Devilbat/Hellbat Schilt: Saber Smash and Thunder
  • Deathtanz Mantisk: 1000 Slash and Light
  • Cubit Foxtar: Soul Launcher and Double Jump
  • Glacier le Cactank: Orbit Shield and Spike
  • Volteel Biblio: V-Shot and Shadow Dash
  • Tretista Kelverian: Gale Attack and Absorber
• Quirky Miniboss Squad: They serve as Weil's major enforcers after the Four Guardians are stripped of their positions and authority.
• Rousseau Was Right: According to the drama tracks, the Eight Gentle Judges were quite fair and benevolent until Weil came along and turned them Brainwashed and Crazy.
• Shout-Out: Their humanoid forms bear a strong resemblance to the first eight cyborgs from Cyborg 009, which had gained a major resurgence in popularity via the early-2000s anime Revival and the original manga finally getting an international release around the same time the Zero series was in production.
• Spell My Name With An S: Listing all the variations would take too long. Just play it safe with the official English.
• Transformation Sequence: Their humanoid bodies erupt in a ball of light before they assume their battle forms. Notably though, Childre and Kelverian avert this the first time they fight Zero, as both are already in their battle forms when Zero encounters them, thus their humanoid forms are only seen during the Boss Rush.

Blazin' Flizard

Blazin' Flizard voiced by Hiroaki Miura

The Left Flame Judge of the Eight Gentle Judges, based on mythical salamanders. He now oversees Aegis Volcano Base, where a special missile is being produced.

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• Blood Knight: Blazin' Flizard claims that fighting is his only way of relieving his boredom.
• Fiery Salamander: Blazin' Flizard is more of a frilled lizard, but the fire salamander theme is there.
• Finger Firearms
• Fuuma Shuriken
• Unusual Weapon Mounting: Flizard can fire projectiles out of his tail, as well as his frills.
• Verbal Tic: Flizard: "Ssyaaaaah!"

Childre Inarabitta

Childre Inarabitta voiced by Yukiko Hirotsu

The Left Ice Judge of the Eight Gentle Judges, made in the image of the White Hare of Inaba. Zero confronts him in Oceanic Highway Ruins, where they race to the location of Dark Elf's signal.

---

• The Baby of the Bunch: Childre is often seen like this. While he is about as wise as the other Judges, he is designed like a child (with the Meaningful Name to boot) and is noted for his youthful spirit.
• Death from Above:
  • Childre has 2 attacks that do this: one where he plants mines on the water surface, which will explode and their falling shrapnel will harm Zero, and one where he does a drilling attack with his "ears" from above.
• "Get Back Here!" Boss:
  • One of the first available missions involves Zero racing against a submarine carrying Childre Inarabbita for the Dark Elf. To hinder the sub's progress, Zero must decrease the water level by activating four switches dotted around the area. Incidentally, lowering the water level also decreases the difficulty of the upcoming battle against Inarabbita.
• Killer Rabbit: Childre Inarabbita, an agile and icy rabbit who's surprisingly deadly.
• Macross Missile Massacre: Childre can fire out small missiles that will home in to Zero.
• Unusual Weapon Mounting:
  • Childre and Schilt can fire projectiles out of their ears.
• Walk on Water: Childre can hop on water with his battle form.
• Wall Jump: Childre can hop up walls, much like Zero's usual Wall Jump.
• Waterfront Boss Battle: The battlefield for Childre Innarrabitta is normally underwater, and there's only a few feet of air above. However, completing the mission's objectives would decrease the water level until it barely reaches Zero's height.

Devilbat Schilt

Devilbat Schilt voiced by Hideki Ogihara

The Right Thunder Judge of the Eight Gentle Judges, resembling a bat. He is fought in Weapons Repair Factory.

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• Bat Out of Hell: Devilbat/Hellbat Schilt is modeled after a bat and is capable of soundwave attacks. His wings are also impervious to shots when he closes them, hence the "Schilt" part of his name.
• Death from Above: Schilt has an attack where he clings to the ceiling and then fires electric beam from above to the ground while teleporting around.
• The Swarm: Schilt can summon a swarm of bats towards you. They can be destroyed but they cover a rather large range.
• Teleport Spam: Devilbat/Hellbat Schilt. In-universe, his teleportation is described as him emitting sound waves to disrupt the enemy's perception system, making Schilt look like he's teleporting when he moves around.

Deathtanz Mantisk

Deathtanz Mantisk voiced by Keiji Hirai

Moonlight Judge of the Eight Gentle Judges, based on a mantis. His stage is Old Residential Area, where he tries to retrieve Crea and Prea.

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• Brick Break: Just like Kamrous, Mantisk's EX Skill is to conjure a chunk of ceiling that he slashes at to send multiple pieces at Zero.
• Dark Is Not Evil: Prior to being Brainwashed and Crazy, Mantisk supposedly has this kind of characterization: demonic-looking both in and out of battle form, yet is a pacifist.
• Gratuitous German: Deathtanz Mantisk, with tanz being the German word for dance.
• Irony: Mantisk served the role as The Executioner of the Judges before they were Brainwashed and Crazy, and (at least in said Brainwashed and Crazy state) when defeated in the rematch expresses horror and fear at dying again.
• Lean and Mean: In both humanoid and battle form Mantisk definitely fits this after going full-on Knight Templar. This is actually to Zero's advantage, as Mantisk is so lightweight he's the only boss that gets Punched Across the Room when hit by the Recoil Rod's Charged Attack, which can actually interrupt his attacks.
• Martial Pacifist: Mantisk, prior to being Brainwashed and Crazy, was this, despite working as an executioner. He always hoped that all the lives he took were a result of a right, fair judgement.
• Pet the Dog: Despite his unstable post reprogramming/true personality, Mantisk orders Crea and Prea to wait in the next room so he doesn't kill them by accident when he's fighting Zero.
• Punched Across the Room: Mantisk is the only boss that is affected by the charged Recoil Rod's pushing effect because of his light frame. You can exploit this to interrupt his attacks.
• Sinister Scythe
• Slaying Mantis: Deathtanz Mantisk, complete with the Grim Reaper-like imagery as The Executioner of the judges.
• Verbal Tic: Mantisk: "Chikachika!"

Cubit Foxtar

Cubit Foxtar voiced by Naoki Yanagi

Right Flame Judge of the Eight Gentle Judges, designed as a legendary kitsune. Foxtar is fought in Energy Facility, which has been repurposed for mass production of baby Elves.

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• Ambiguous Gender: Foxtar, being based on the Kyuubi no Kitsune legend, has this. Effeminate mannerisms, somewhat slender, feminine body, and the fact that Kitsune often shapeshifts into beautiful women. That said, his voice actor is male, and pre-corruption, he still sounds effeminate but more of a gentle boy than his flamboyant post-corruption self. It doesn't help that some translations (most notably the English version of the Mega Man Zero Official Complete Works) actually do state Foxtar is female.
• Asian Fox Spirit: Cubit Foxtar, complete with 9 "foxfires" that serve as his "tails". His humanoid form is also decidedly feminine.
• Attack Drone
• Death from Above:
  • Foxtar's EX skill involving him firing a spread of fire drones upwards that then falls down and covers a wide range.
• Elemental Shapeshifter: Foxtar can split into 5 fireballs.
• Hand Seals: Foxtar performs this to create and move fireballs around.
• Noble Womans Laugh: Foxtar, which really doesn't help the Ambiguous Gender bit.
• You Can't Thwart Stage One: Cubit Foxtar reveals the factory he was put in charge of was for creating more Baby Elves like Crea and Prea to spread the Dark Elf's corruption just like it was during the Elf Wars, but notes after being defeated that even with the factory's destruction and the deaths of said Baby Elves it was essentially just a backup plan since they already have the real Dark Elf in their possession.

Glacier le Cactank

Glacier Le Cactank voiced by Tanuki Sugino

Right Ice Judge of the Eight Gentle Judges, shaped like a barrel cactus. He guards the Snowy Plains, where Zero fights him in order to retrieve data from Omega's spacecraft.

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• All Crimes Are Equal: Regardless if it is thievery or trespassing, Glacier le Cactank will issue said crimes with death sentence.
• Bald of Evil: Le Cactank's human form is bald. Played with in that he's more of a Knight Templar than an actual evil person.
• Cactus Person: Glacier le Cactank's Punishment form resembles a giant cactus. He was originally built as a large armored water tank that could bring water to remote areas before Dr. Weil corrupted him. His cooling system allows him to freeze water, hence his ice theme.
• Death from Above:
  • Le Cactank both has a move where hesimply jump over you, trying to crush you under his weight.
• Epic Flail
• Judge, Jury, and Executioner: Glacier le Cactank in particular. Ironically, back then, he was a kind judge who was willing to overlook small offenses and slightly bend rules when he thought it was justified.
  Has the legendary hero stooped to thievery? How deplorable. As king of the Snow Plains, I do hereby judge your crime.
  (cue One-Winged Angel)
  I, Glacier Le Cactank, of Weil's Numbers, have reached a verdict. The punishment for thievery is death!
• Misplaced Vegetation: Le Cactank is the boss of the snowy plains, despite cacti normally appearing in deserts.
• Spike Shooter: Glacier le Cactank can fire out ice spikes.

Volteel Biblio

Volteel Biblio voiced by Munehiro Tokita

Left Thunder Judge of the Eight Gentle Judges, based on an electric eel. He confronts Zero in Sunken Library, where the latter tries to find data on Elf Wars.

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• Armless Biped: Volteel Biblio. In his battle form at least.
• Ax-Crazy: Volteel is by far the most unhinged boss in the series. Well, maybe aside from Omega, that is. Mantisk isn't exactly very stable either. The Drama Tracks imply that their Ax-Crazy nature in Zero 3 had more to do with Weil's reprogramming of them. Prior to that, they were actually nice Reploids (in fact, Mantisk also deliberately kept his arm blades dulled as a proof of peace).
• Hypocritical Humor: Volteel calls Zero crazy for going up against Dr. Weil. This coming from the guy who's the Psycho Electro of the Judges.
• Laughing Mad: Volteel Biblio.
• Prehensile Tail: Volteel can extend his tail to attack Zero.
• Psycho Electric Eel: Volteel Biblio had his thought circuits fried in an accident, causing him to become loopy and prone to shouting. He is also an electric eel Reploid who is tricky to fight, capable of slipping through you and attacking in multiple odd ways with electricity.
• Underwater Boss Battle: Volteel Biblio can be found in one of the submerged rooms in the Sunken Library.
• Whack-a-Monster: Commonly, Volteel attacks by going into one of the 4 holes in his chamber, then have his head appearing in one and his tail appearing in another that shoots a homing electric ball.

Tretista Kelverian

Tresista Kelverian voiced by Hisao Egawa

The Dark Judge and the leader of the Eight Gentle Judges, he is based on Cerberus. He oversees the Giant Elevator, where Neo Arcadia mines huge amounts of Energy Crystals

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• Barehanded Bar Bending: Kelverian has one attack where he takes an iron bar, bends it into an L-shape and then throws it forward like a boomerang.
• Death from Above: Kelverian has a move where he simply jumps over you, trying to crush you under his weight.
• Detachment Combat: Tetrista Kelverian can deploy the canines on his shoulders to attack Zero.
• Dumb Muscle: Kelverian, however, it is implied that he wasn't a simpleton prior to his reprogramming, given that he used to have 3 thought circuits that helped him think more efficiently, fitting for the leader of the judges.
• Energy Weapon: Kelverian's EX Skill has him summon and throw a large crate as with one of his normal attacks, but then instead of shoulder-charging through it like usual he summons a purple energy BFS to thrust forward and destroy it instead.
• Hellhound: Tretista Kelverian, a Cerberus-themed Mutos Reploid fought after you take a Hellevator deep underground.
• Lantern Jaw of Justice: Kelverian's human form has one.
• Large and in Charge: According to his ranking, Chief Judge, Kelverian, who towers over the other Judges in both humanoid and battle form. He is also the only one to have three health bars when his peers have only two.
• One-Hit Kill: If Kelverian summons a crate, better pray Zero is nowhere below the giant box as it drops.
• Shoulders of Doom: In his transformed forms, Kelverian has large shoulders. He even weaponizes them, as the dog Mechaniloids perched on them can detach from Kelverian and attack independently.

Mega Man Zero 4

Craft

One person can't change the world. Heroes are a thing of the past...

Voiced by Kenta Miyake

With the death of Omega, Craft steps up as the new general of Weil's army. He only joined so that he can protect Neige, and sees heroes as "a thing of the past". He personally leads "Operation Ragnarok", with the 8 Einherjar Warriors under his command. Their plan is to obliterate all life outside Neo Arcadia in order to discourage the escaping citizens.

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• All-Encompassing Mantle: In his first appearance.
• Anti-Villain: He's actually reluctant to work under Weil, but he had no other choice and viewed it as the only way for any sort of civilization to survive. He was also once a hero.
• Bastard Understudy: Not inherently evil, however; he only turned against Weil out of love for Neige.
• BFG: Which is nearly as large as he is, with a Wave-Motion Gun and a big bayonet that can be launched.
• Character Development: He first believes that one person can't change the world, and heroes are a thing of the past. But after the encounter in Neige's prison where she appeals to his once-held honors, he starts believing in it again, culminating in him trying to change the world and stop Weil by firing the Ragnarok directly at him.
• Confusion Fu: Fights with a very unorthodox attack pattern that can be hard to react to. It rather places his "commando"-like motif into perspective.
• The Dragon: A new one for Weil, as Omega and anyone else who could qualify for the position is currently dead.
• Dragon-in-Chief: As the field leader of Operation Ragnarok, he gets more exposure and gives more direct threat than Weil himself until the endgame.
• Dragon with an Agenda: He has a side mission of protecting Neige from Weil's atrocity, so he tries to kidnap her. Upgrades to full-on The Starscream when he takes control of Ragnarok and fires it at Neo Arcadia to kill Weil.
• Evil Is Bigger: Noticeably towers over every other human or humanoid Reploid in Zero 4 and across the Zero series itself is really only matched by Tretista Kelverian's humanoid form for size.
• For the Greater Good: He claims that his attack on Area Zero is for this, i.e for the betterment of humanity as a whole. Neige calls him out on it, though he doubles down on the statement by stating that as long as Area Zero exists, people will defy Weil for the chance to reach it who in turn will kill more of them to keep the others in line.
• Gratuitous English: Craft mixes English in with his Japanese when firing his Homing Missile. "Ōru ōbā" is a Japanese approximation of the English "all over", but "da" (だ) is a Japanese word for "is".

Craft: Ōru ōbā da! (オールオーバーだ, It's all over!)

• Heel–Face Revolving Door: He used to be a honorable soldier, but when realizing how Weil has pretty much seized control and there's nothing he can do against it, he surrenders and takes Weil's side. He then turns against Weil in the climax - by firing a Kill Sat at Neo Arcadia, almost killing Weil but also destroying 20 million civilians and all of Neo Arcadia's property.
• Homing Projectile: He can fire a homing missile at Zero.
• Honor Before Reason: Inverted. According to Neige, Craft used to be a warrior that went by his own code, before being convinced that living under Dr. Weil's rule is better than being killed by Weil for defiance.
• Huge Guy, Tiny Girl: He's considerably taller than Neige.
• Humans Are Bastards: Well, at least he believes the ones willing to live under Neo Arcadia's thumb for Dr. Weil and terminate Reploids for their own comfort are. It's why he has no issue taking them as collateral damage in firing Ragnarok at Neo Arcadia for his shot at killing Weil. Even when he's defeated, he demands to know why he should trust the humans who fear and misuse Reploids and seek to conquer the world, and how Zero can still fight for them.
• I Let You Win: Zero believes that Craft held himself back when they first fought. Turns out, he didn't...well, take his own word for it, anyway.
• Interspecies Romance: With Neige, at least in the past.
• Large and in Charge: Subverted as the leader of the Einherjar, as while he's one of the largest humanoid Reploids in the series he's still out-bulked by a majority of the Mutos Reploids under his command.
• Laser Sight: Before he fires his Wave-Motion Gun, he'll aim it at your head with one. When you dash, the laser sight goes past you, and so does the Wave-Motion Gun itself, but you have to time your dash in order to avoid it.
• Last Request: Upon his death, he, like X before him, requests Zero to watch over the world, and Neige, for him.
• Leitmotif: "Kraft".
• Love Makes You Crazy: After being talked out of working under Dr. Weil by Neige, he destroys Neo Arcadia using Ragnarok, claiming thousands of lives, trying to take down Dr. Weil. Dr. Weil even lampshades this by stating "Turned by the sweet words of a woman!" when he was betrayed.
• Macross Missile Massacre: His strongest move, fired from above, which has the possibility to hit the entire screen, with very few openings for dodging. The missiles can be destroyed with the Z-saber to make an opening, but not without difficulty.
• A Million Is a Statistic: He fired the Ragnarok at Neo Arcadia, trying to kill Dr. Weil. The attack, according to the manual, claimed 20,000,000 innocent lives. Yet the intended target ironically survives.
• Morality Pet: Neige. When Neige proclaims right to Craft and Weil's face that she'd rather die than live under Weil's tyranny, Craft attempts to kill Weil partly so that Neige doesn't have to die.
• Noble Top Enforcer: He only wanted to keep the world from turning into an even worse hellhole, even if he had to work under Weil. He also rekindles with his more noble self after Neige's words.
• Non-Standard Character Design: His design looks more archaic than the Reploids of the era, featuring a lot of bulky plates of armors more reminiscent of the X-series (think Sigma, Signas, or Colonel), as opposed to the current Reploids' generally more slender design with closer-to-human complexion.
• The Promise: He once made one for Neige to fight with honor and for humanity. When she pointed that out to him during the attack on Area Zero, he then goes to kidnap her, with him saying "I'm keeping my promise by doing this."
• Recoil Boost: He can lift himself into the air by firing his Wave-Motion Gun into the ground.
• Recursive Ammo: One of his attacks involves throwing a bomb that splits into 6 and scatters away.
• Robo Ship: A canon in-universe example with Neige.
• Spanner in the Works: Weil would have succeeded in destroying Area Zero with Ragnarok, but Craft turned on him use the weapon against him. It failed to kill Weil, but it saved Area Zero.
• Spell My Name With An S: "Kraft" in the Japanese version, which in German means "power" and "strength". In America, on the other hand, it is associated with a brand of cheese, so his name was changed to "Craft" to prevent confusion.
• Suspiciously Similar Substitute:
  • With his heavy armor (and especially a helmet that's solid-red in the front), backwards-flung black hair, a blue Badass Cape, and a heavy-duty cannon for his weapon, Craft bears a striking resemblance to Colonel.EXE of Mega Man Battle Network (who debuted in December 2004, five months before Craft's first appearance in April 2005).
  • As a morally-conflicted military man with a weathered face, he also seems to have taken inspiration from Barrel, Colonel's operator from the same series.
• Throw Down the Bomblet: One of his moves is to lob 3 grenades upward.
• Unnecessary Combat Roll: He can phase through Zero while doing this.
• Wake-Up Call Boss: At least when compared to the 4 main bosses (and 2 intro bosses, if you really want to count it) you have to beat before him. He has many nasty attacks, a quick dash, and 3 bars of health. Even in his second fight, where you've got most of the useful techniques, he still proves to be a real threat.
• Weak, but Skilled: Compared to the Four Guardians, Copy-X, Elpizo post-Dark Elf, or especially Omega, Craft has nowhere near as much inherent raw power at his disposal despite being a combat Reploid, relying more on his various tools like bombs, missiles and lasers from his BFG. He's still skilled enough that he can give Zero a hard time in both their fights.

Einherjar Eight Warriors

General

The local Quirky Miniboss Squad of Zero 4, led by Craft. Assigned by Dr. Weil to attack Area Zero in order to destroy any sanctuary outside of Neo Arcadia, each of them spearheads their own planned attempt to wipe the New Eden off the map for "Operation Ragnarok."

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• Diving Kick: Pegasolta has this as one of his attacks, which can knock Zero back, potentially towards a pit.
• Elemental Powers:
  • Fenri Lunaedge: Ice
  • Mino Magnus: Metal/Magnet, though functionally, it's Lightning.
  • Popla Cocapetri: Time. In-game, Non-Elemental.
  • Noble Mandrago: Nature, well, really, nanomachines simulating nature. Non-Elemental in-game.
  • Sol Titanion: Fire
  • Pegasolta Eclair: Lightning
  • Tech Kraken: Water/Ice
  • Heat Genblem: Fire
• Establishing Team Shot: The whole group gets one at the end of the second intro stage.
• Norse Mythology: The einherjar are those that have died in battle and are brought to Valhalla by valkyries. They prepare daily for the events of Ragnarök, when they will advance for an immense battle. The symbolism is thick with this one: the Eight Warriors all prepare for Operation Ragnarok that aims for the destruction of Area Zero, and though they're defeated, they still manage to divert The Resistance's attention from the operation's real aims: building the space station Ragnarok, with the power to completely annihilate a region. And as Zero storms the station, he encounters the Eight Warriors again, now revived and are waiting for the calamity that is the Colony Drop, as they battle Zero once again.
  • In general, the eight warriors are each based on a mythological creature.
    • Popla Cockapetri: Cockatrice
    • Noble Mandrago: the Mandrake plant
    • Sol Titanion: Titania the fairy queen
    • Mino Magnus: Minotaur
    • Tech Kraken: Kraken(duh)
    • Heat Genblem: Genbu the black tortoise
    • Fenri Lunaedge: Fenrir the wolf
    • Pegasolta Eclair: Pegasus.
• Not Brainwashed: Unlike the Eight Gentle Judges from the previous game who were all reprogrammed into "Weil's Numbers" when Weil returned to Neo Arcadia, several of them serve Dr. Weil willingly and without modification.
• Optional Boss: ZX features four of the Einherjar as secret bosses in Area N: Fenri, Mandrago, Eclair and Titanion.
• Platform Battle: Pegasolta is fought across 3 platforms (with the middle one lower compared to the two on either side) heights over Bottomless Pits. There are also strong winds that may blow you to the pits.
• Power Copying
  • Popla Cocapetri: Time Stopper
  • Mino Magnus: Tractor Shot
  • Sol Titanion: Burning Shot
  • Tech Kraken: Ice Javelin
  • Noble Mandrago: Sky Chaser
  • Pegasolta Eclair: Thunder Stab
  • Heat Genblem: Flame Fang
  • Fenri Lunaedge: Ice Blade
• The Power of the Sun: Titanion uses this to attack Zero, while Mandrago uses this to heal herself.
• Punched Across the Room: Pegasolta's Diving Kick can do this to Zero, as is Magnus' magnetically charged attacks and Genblem's uppercut counter.
• Punny Name:
  • Heat Genblem contains a Shout-Out to Fire Emblem.
  • Magnaxe and Magnus both are derived from "magnet", pretty much describing his ability.
• Quirky Miniboss Squad: After the deaths of the Eight Gentle Judges in 3, the Einherjar Eight Warriors step up to take their role, each with their own plan to destroy Area Zero.
• Ragtag Bunch of Misfits: Unlike the Eight Gentle Judges, the Einherjar are reploids of various origins. They range from a victim of his reprogramming (Noble Mandrago), to forsaking their honor for revenge (Tech Kraken), to being flat out lunatics (Fenri Lunaedge ) to glory seekers (Pegasolta Eclair ) to being a solider loyal to Craft rather than Weil (Heat Genblem) defunct models joining for spite (Popla Cocapetri ) a tanky model promised to never run out of energy (Mino Magnus) to being so traumatized by the death of their counterpart (caused by Weil) that they're fine with destroying stuff for its own sake (Sol Titanion).
• Shoryuken: Both Genblem and Fenri; the former's uppercut is a grounded version, while the latter usually follows it with a second one from the ceiling.
• Team Shot: The end of the second intro level sees Zero facing all of them at once, in a shot of their sprites standing together. It is soon followed by Craft's entrance, which becomes a CG shot.
• Two Girls to a Team: This Quirky Miniboss Squad is the only one in the Zero series to have 2 females, i.e Titanion & Mandrago. This sets the trend for the next series.
• Why Don't You Just Shoot Him?: Pegasolta Eclair lampshades this when Zero first encounters them at Area Zero, asking Craft why don't all of them just gang up on him right now and finish him with sheer numbers. Craft responds back that once Operation Ragnarok is in motion, one Reploid won't make a difference.
• Xanatos Gambit: At the end of the day, it never really mattered whether or not any of their individual attempts to destroy Area Zero succeeded or failed, as the end result benefits Weil either way. If they succeed, good job. If they fail, well it keeps the Resistance and Zero occupied and unable to learn about the true Operation Ragnarok before it's too late.

Noble Mandrago

Mandrago voiced by Yuu Takamura

A mandrake-like Mutos Reploid in charge of Underground Forest, a thicket of artificial plants that causes erosion.

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• Brainwashed: Not as drastically as the Eight Gentle Judges, but Weil's reprogramming makes her think that in order to preserve nature, it must be placed under complete control, and control may involve destruction.
• Dig Attack: Mandrago can dig underground and appear either on the ground or the ceiling, then fires out some brown goo at Zero that hampers his movement.
• Flunky Boss: She primarily fights by trying to summon Mechaniloids to overwhelm the player with numbers. She does have direct attacks, but without a backup she's a sitting duck.
  • One of her moves has her launching blobs of honey-like goo, attracting Appnets to the room. The goo itself deals no damage, but makes Zero's movement slippery and makes wall-jumpimg impossible.
  • Her other move has her firing seeds around the room that will grow into either flowers that can shoot bullets or venus flytraps that can snare you. However, they can be uprooted with the Zero Knuckle.
• Green Thumb: Was designed to restore nature with nanomachines, and grows artificial plants during her boss fight.
• Healing Boss: She is able to heal a small amount of her health, if the weather is set to sunny. She's invulnerable during this.
• Irony: The fact that Noble Mandrago, a plant Reploid, is using an environmental-modifying system in the form of nanomachine plants, in order to harm Area Zero does not go unlampshaded. Ciel even says that the system can be used to support Area Zero instead.
• Outside-the-Box Tactic: You can try plucking Mandrago out of the ground with Zero Knuckle when she burrows herself; Zero will then throw her backwards, possibly to the wall. Her planted seeds can also be plucked and thrown away.
• Plant Person: She is a plant-like Reploid, with her head and hands resembling flowers, and body - stalk and leaves.
• Shockwave Stomp: Mandrago's EX Skill is to spin to the air and then try to land on Zero drill-first, which sends out rocks flying when she hits the ground.
• Spin Attack: Both of her direct attacks have her spinning like a top and dashing across the screen.
• This Is a Drill: Mandrago's legs are actually a drill split in two.

Heat Genblem

Genblem voiced by Naoki Imamura

A Mutos Reploid based on Genbu, who acts as a battery for the Particle Beam, attempting to incinerate Area Zero.

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• Beam Spam: Heat Genblem uses a ridiculously long-lasting beam cannon which he fires while spinning. Even his stage is a giant solar-powered particle cannon, and reminiscent of Quick Man's stage from Mega Man 2, minus the One-Hit Kill beams, though there are still beams a-plenty.
• Corridor Cubbyhole Run: A portion of Genblem's stage takes place inside the barrel of a Wave-Motion Gun. To avoid taking huge damage, you must cover in safe spots below and above the beam.
• Elemental Punch: 2 of Genblem's attacks are this, with a fiery punch.
• The Four Gods: Heat Genblem is loosely named after Xuán Wǔ/Genbu, the turtle. Also possibly of Ryu and Gamera.
• Living Battery: Genblem himself is the source of energy for the massive tank (specifically, its cannon) he's operating for his attempt at destroying Area Zero.
• Luckily, My Shield Will Protect Me: Genblem with his big turtle shell.
• Mighty Glacier: Genblem only really moves during his Spin Attack, but he can't be harmed while not attacking, and he can get Zero Punched Across the Room.
• The Slow Walk: Genblem can choose to approach Zero slowly this way. Be careful - if you attack him, he'll defend himself immediately; if you attack him more, he'll do a Counter-Attack.
• Spin Attack: There's also one of Genblem's attack where he spins while covering himself on fire.
• Sturdy and Steady Turtles: Heat Genblem is known for not just his sturdy shell, but also his defensive tactics.
• Undying Loyalty: Genblem, being a proud, dutiful soldier, displays this for Craft. However, he's genuinely shocked when Zero reveals to him at the end of the rematch that the dying Craft entrusted his faith to Zero.

Tech Kraken

Kraken voiced by Tōru Furusawa

A squid-like Mutos Reploid on a Suicide Mission in the Deep Sea to drill under Area Zero and blow it up.

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• Avenging the Villain: Tech Kraken, trying to avenge his former master Phantom. Interestingly, neither of them are fully "villains". He even encourages Zero to stop Weil after his second defeat.
• Combat Tentacles: Kraken, being a squid, uses 'em. They're tipped with spearheads, too.
• Flying Seafood Special: In his first appearance (i.e in Area Zero), Kraken the squid floats in midair.
• Kraken and Leviathan: Tech Kraken's theme.
• The Maze: The first half of Kraken's level.
• Not in This for Your Revolution: Tech Kraken could not care any less about Weil or Craft's ultimate goals; his loyalty to Phantom has him as one of the last genuine Token Good Teammate holdouts of Neo Arcadia fighting Zero. He wants revenge and that's it. When he fails to get it, he instead tells Zero to stop Weil.
• Outside-the-Box Tactic: You can try plucking Kraken's tentacles when he uses the "ink void" attack.
• Pinball Projectile: Kraken can fire these. He can also create an ice mirror for the purpose of playing with said projectiles.
• Suicide Mission: If you lose to him, Kraken claims that he'll follow Phantom after his mission (blowing up the ground with the submarine and causing earthquakes) is finished.
• Teleport Spam: Kraken can use squid ink to teleport himself across the room. During this state, Kraken can attack Zero with his tentacles multiple times before exiting.
• Worthy Opponent: In the end, Kraken doesn't want any more revenge, he just wants to see the power that defeated Phantom.

Fenri Lunaedge

Fenri voiced by Tetsuya Kakihara

A wolf-like Mutos Reploid, who guards the Hibernation Chamber.

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• Blade Below the Shoulder: He has a couple of ice blades on his arms, in addition to his normal claws.
• Deadly Lunge: Fenri has an attack where he simply lunges at Zero with his arm blade.
• Doppelgänger Attack: Fenri can create clones of himself made of ice.
• Hot-Blooded: Fenri, despite being an ice boss. The voice helps a lot, considering he's Simon...^note Or, rather, another ice-elemental character with the same voice, Jin Kisaragi.
• Primal Stance: Fenri is the only one depicted like this, all the time.
• Psycho Prototype: Fenri Lunaedge, according to the Mega Man Zero Official Complete Works, was supposed to be a fusion between a Reploid and a prototype Cyber Elf, but the fusion as well as a glitch within the Cyber Elf's programming...well, drove him rabid.
• Rolling Attack: One of Fenri's attacks.
• Savage Wolves: Fenri Lunaedge is a wolf robot who loves a good fight.
• Sword Beam: Fenri can fire these, made of ice, from his blades. His EX Skill is basically firing 2 large ones traveling the ground and ceiling.

Popla Cocapetri

Cocapetri voiced by Ikuo Nishikawa

A cockatrice Mutos Reploid that maintains the Living City, making it grow and attack everything with automated defense system.

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• Basilisk and Cockatrice: Popla Cocapetri is a cockatrice robot with a serpent's tail and ability to "petrify" other robots.
• Butt-Monkey: Mino Magnus might get mocked for his slowness, but Popla Cocapetri is the one who fits this the best. Zero calls him a "grunt" the first time they meet, he gets insulted by his teammates, and overall doesn't seem to command respect from anybody. And while Mino at least has sheer size and a sharp axe for intimidation, Cocapetri is the smallest of the Einherjar who barely comes up to Zero and at first glance looks like a chicken.
• The Cracker: Cocapetri specializes in internal tech warfare, including software hacking and communications interference. His plan for Operation Ragnarok involves using viruses and hacking to take control of a derelict city and use the resources there to launch junk-botched construction projects to destroy Area Zero, while also automating the various defenses to deal with infiltrators. Even his Taken for Granite power is explained as him using his own tech to hack into a Reploid's CPU through the optics to force a shutdown.
• Dash Attack: Cocapetri has one. (Un)fortunately, because the floor of the boss room is segmented to 3 and each goes up or down, this attack is sometimes hindered by the floor.
• Evil Is Petty: Cocapetri joined Weil's forces out of spite after he lost his job when the use of hacker-type cyber elves became commonplace.
• Feather Flechettes: One of Cocapetri's attacks is to fire sharp "quills".
• Flunky Boss:
  • Also Cocapetri, who apparently can lay down robotic eggs which can run around, trying to hurt you.
• Hair-Trigger Temper: Cocapetri is rather irritable for such a small boss.
• The Napoleon: Cocapetri hates it whenever people tease him for his small size.
• Spread Shot: Cocapetri can spread out either black bombs or feathers that can hurt Zero. Kraken can throw multiple spearheads this way. Titanion's EX Skill is the "exploding shot" variant, done with her Fireballs.
• Taken for Granite: Given his cockatrice theme, he has the ability forcibly immobilize other Reploids by hacking through their optics. Naturally, it's his signature attack.
• Time Stands Still: Not explicitly stopping time, but Cocapetri's ultimate move includes "petrifying" all the room (as the whole room turns grey). Zero's EX Skill from him, Time Stopper, also qualifies.
• Weaponized Offspring: Cocapetri can lay an egg with 2 legs that will run about, harrassing you.

Pegasolta Eclair

Eclair voiced by Shigeru Shibuya

A Pegasus-like Mutos Reploid in charge of the Hanging Gardens, where he attempts to destroy Area Zero with acid rain.

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• Blade Below the Shoulder: His arms are a pair of electrified spears.
• Expy: Pegasolta Eclair is basically the Einherjar/Weil version of Spiral Pegasus, both being Pegasus-themed Reploid commanders of the Big Bad's forces in a Colony Drop story, which is noted by Eclair himself when fighting Zero again in Ragnarok.

Pegasolta Eclair: The satellites falling from the sky are like the Maverick Wars all over again... It really is Ragnarok, the end of the world! You stand on the threshold of your annihilation!

• The Fighting Narcissist: Pegasolta Eclair claims that the un-beautiful things shall go down.
• Glory Seeker: He had a peaceful job, but always desired to be assigned for combat. Weil granted his wish.
• Kaizo Trap: Make sure you have a platform below you to stand on when you defeat Pegasolta Eclair.
• Meaningful Name: "Éclair" is French for "lightning", as befits a Thunder-elemental boss.
• Obstructive Foreground: An actual mechanic is his stage. If you challenge him in Overcast weather, portions of the stage will be covered with clouds, obstructing the view.
• Pegasus: Pegasolta Eclair is more of a humanoid winged horse, but it's still his theme.
• Smug Snake: Pegasolta Eclair is so vain and proud of his "beauty". Also, in-game, almost whenever he floats, he has a tendency to quickly fly upward everytime you try to land a hit. Annoying? Right.
• Weather-Control Machine: Hanging Gardens generate acid clouds that would damage Area Zero. Your mission is to destroy them, oterwise your score will take a hit.
• Winged Humanoid: Pegasolta Eclair is a humanoid horse with wings.

Mino Magnus

Magnus voiced by Takahiro Fujimoto

A Minotaur Mutos Reploid, stationed in the Magnetic Zone.

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• Attack Its Weak Point: Mino Magnus' only vulnerable on his torso. His Shoulders of Doom are invincible and can block your attacks if your timing's bad.
• Detachment Combat: Magnus can split into five parts, four of which are used to attack Zero.
• Dumb Muscle: Mino Magnus is the huge guy who talks slowly to the point even his own allies have no patience of letting him finish a thought. ^note  At least until his second and last defeat in the Boss Rush aboard Ragnarok. Whether that's a sign of his lack of intelligence or simply a Speech Impediment is never revealed.
• Grapple Move: Mino Magnus can grab Zero and magnetize him, making him attract metal scraps that hinder his movement.
• Horned Humanoid: Magnus, pretty much.
• Hulk Speak: Mino Magnus combines this with a Verbal Tic, in this case a roar of "Ndooooooh!".
• Mighty Glacier: Magnus may be big and slow, but they carry high power reactor and lots of electromagnetic circuits respectively, from which they can generate tremendous amounts of power. In Gemblem's case, he's also equipped with a heavy shell.
• Our Minotaurs Are Different: Mino Magnus, a hulking minotaur Reploid.
• Selective Magnetism: Mino Magnus's entire schtick, whether to magnetize Zero himself, or attracting debris from the area around them to use as his weapons.
• Shoulders of Doom: Magnus has really big, pointy shoulders from which he can control magnetism.
• Speech Impediment: Magnus talks really, really slowly. Throughout the entire game, nobody (including his allies) has the patience to let him finish a thought.
• You Will Not Evade Me: One of Mino Magnus' attacks drags Zero towards him.

Sol Titanion

Titanion voiced by Saki Nakajima

A Mutos Reploid who maintains the Artificial Sun, attempting to scorch Area Zero and turn it into desert.

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• Ax-Crazy: Sol Titanion is basically a playful sadist. Her Freudian Excuse also ends up becoming extremely ironic in terms of who she's serving, as the reason she's Ax-Crazy was because a scouting unit commissioned by Dr. Weil basically invaded the artificial sun she and a twin of hers was maintaining and killed her twin, causing her to go mad and destroy them to avenge her twin.
• Butterfly of Death and Rebirth: Sol Titanion is themed after a butterfly.
• Deadly Disc: Sol Titanion can throw these, made of fire.
• Hot Wings: Titanion's wings are made of fire.
• Our Fairies Are Different: Sol Titanion is based on the myth of the fairy queen Titania.
• Weather-Control Machine: The Artificial Sun was made to contron weather, but now it's just turned on the highest setting in order to spread desertification.
• Winged Humanoid: Titanion is a humanoid butterfly/moth.

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