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The various animal and plant Maverick Reploids who serve as the main bosses of the Mega Man X series.
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    All Mavericks 
  • Beast Man: The majority of these Mavericks are Ridiculously Human Robots that resemble animals.
  • Brainwashed and Crazy: Due to the Sigma Virus, for most cases, although it's shown most prominently in X3 and X5.
  • Cycle of Hurting: In many cases, using their Weakness weapon will make their AI trapped in a loop that makes them vulnerable to another Weakness weapon attack. Especially in case of Spark Mandrill who can be prevented completely from moving at all with his Weakness weapon, Shotgun Ice.
  • Dub Name Change: Many bosses have their names changed in the western release, with the Maverick themselves was known as Irregulars in the Japanese version. It gets egregious in the original X5 where the western names of the Mavericks are references to Guns N' Roses members.
  • Face–Heel Turn: Many of the Mavericks you fought are former Hunters or otherwise civilians.
  • Heel–Face Turn: In the Manga at least, several Mavericks are able to recover their senses and turn good again.
  • Four-Legged Insect: Most arthropod-based Mavericks just have two arms and two legs.
  • Fire Is Red: When you encounter a fire-based Maverick, expect them to be colored red or orange.
  • In-Series Nickname/Red Baron: Most, if not all of them have one each. They're mostly in the manual, though.
  • Monogender Monsters: All of them are male.
  • Playing the Victim Card: Some play this trope when they aren't Brainwashed and Crazy.
  • Something Person: Generally it's "Something Animal" (with occasional plant and fungus). Unlike the Robot Masters in the Classic series, several Maverick bosses can have the same "Something" word in their names, such as Flame Mammoth, Flame Stag, and Flame Hyenard.
    • A Lizard Named "Liz": Meanwhile, in the Japanese version, the bosses' names are corruptions of the name of the animal they represent. This is shown the most in X6 (see below) where the names mostly don't change overseas; you'd be hard pressed to find out what "Mijinion" would refer to.
  • Stock Animal Behavior: Many of the Mavericks have an attack based on a behavior of the animal they're based off. For example, Chill Penguin slides on the floor, Wheel Gator does the alligator death roll, Blast Hornet attacks with his stinger, etc.
  • Turns Red: They'll modify their pattern and whip out new strategies after their health goes below half.
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Mega Man X1/Maverick Hunter X Mavericks

    General 
  • Came Back Wrong: MHX interprets the refights in Sigma's Palace as actually reconstructions of the bodies which lack the mind of the original, and are therefore more robotic (ironically) than before.
    • This may be implied in the Boss Rushes in the other games as well, except in X8 where they're just regular New Generation Reploids that shapeshift into the bosses.

    Armored Armadillo (Armor Armage) 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_armored_armadillo_3178.jpg
Steel Armored Warrior
"I'll fight you because it is my calling!"
A Maverick Hunter from the 8th Armored Division under Sigma and was a very loyal soldier.
Weapon: Rolling Shield (X), Ball weapon system (Vile)
Weakness: Electric Spark
Voiced by: Kenta Miyake (JP), Noah Umholtz (EN)

  • Alliterative Name: In both versions.
  • Boss Vulnerability: He is only vulnerable when he is firing, or after he finishes his Rolling Attack. Once his armor is shorted out, however, so is his invulnerablity.
  • Bouncing Battler: He rolls into a ball and bounces around the room.
  • Catch and Return: Attack him with a charged shot while he is guarding and he will absorb it, firing it out in a Spread Shot.
  • Energy Ball: The weapon X got from him.
  • Logical Weakness: All of his armor can be shorted out by a high-powered electrical charge, leaving him vulnerable. That said, it will only affect him when he is vulnerable.
  • Luckily, My Shield Will Protect Me: His armor protects him from all attacks even both the Hadouken and his weakness, the Electric Spark.
  • Minecart Madness: His stage is set in an Abandoned Mine with at least 3 mine carts that can carry X throughout the stage; the last one carries him to the boss door.
  • Noble Demon: Shades of this appear in the manga adaptation where he has a fair fight with X, using katanas.
  • Painfully Slow Projectile: The energy cannon in his head fires shots that are noticeably very slow compared to most other attacks in the game.
  • Removable Shell: Using Electric Spark will short out and blow off his armor.
  • Rolling Attack: When he bounces around the place.
  • Seldom-Seen Species: You hardly see armadillos because their rolled up in a ball and blend in with the rocks.
  • Spin to Deflect Stuff: While he is rolling around, he can't be damaged due to his armor. If you cracked his armor beforehand, though, he's vulnerable anytime.
  • Stock Animal Behavior: Rolling into a ball.
  • Undying Loyalty: Apparently, he goes with Sigma because, as the latter hasn't been officially pulled out of service, Sigma is technically still the leader of Maverick Hunters and thus just goes with him as the leader.
    Armadillo: Whether [Sigma] is insane or not...it's not my place to judge him. I must obey!
    • My Master, Right or Wrong: Becomes this in the manga adaptation, fitting with his samurai-like personality in said adaptation
  • Unusual Weapon Mounting: The top of his head has a gun. Not on, but inside.
  • Wild West Armadillo: Played with, as he is portrayed as a samurai.

    Boomer Kuwanger 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_boomerang_kuwanger_1375.jpg
Space-Time Jumper
"If you've made it all the way up here, you must not be an ordinary B-Class Hunter."
A Maverick Hunter from the 17th Elite Unit under Sigma, the same unit as his brother Gravity Beetle and X. He has no sense of right and wrong, making decisions based only on logic. When Sigma rebelled, he used deductive reasoning and joined the rebellion.
Weapon: Boomerang Cutter (X), Cutter weapon system (Vile)
Weakness: Homing Torpedo
Voiced by: Hisashi Izumi (JP), Ethan Cole (EN)

  • Above Good and Evil: He bases his decisions on what is logical, not on what is good or evil. He sided with Sigma because he found it to be the most logical thing to do.
  • Big Creepy-Crawlies: He resembles a stag beetle, as his name implies.
  • Blood Knight: He considers both X and Vile to be interesting opponents to fight.
  • Boomerang Comeback: His Boomerang Cutter works this way. When used by X, it can even bring items back.
  • Brain Uploading: In the X1 manga, he uploaded his mind into his base's computers to operate his body at peak performance.
  • Dub Name Change: To "Boomerang Kuwanger" in Maverick Hunter X, but somewhat downplayed as they don't change the "Kuwanger" part.
  • Expy: of Cut Man due to the scissor-like blades on his head that he throws like a boomerang, exactly as Cut Man does. Also has the feel of Quick Man with a quick attack style and boomerang weapon.
  • Grapple Move: He can do this to your player character with his horns.
  • Horn Attack: He can either throw his horns at you or, conversely, throw you away with his horn.
  • Horned Humanoid: As a stag beetle robot, he comes with the horns.
  • Japanese Beetle Brothers: With Gravity Beetle.
  • Logical Weakness: Being a teleport-spamming high-speed robot with only a single ranged attack doesn't help when your opponent has homing weapons.
  • Mix-and-Match Critter: While he is mostly based on a stag beetle, his lean build and the triad of auxiliary eyes on his forehead are more evocative of some kind of wasp.
  • Multi-Directional Barrage: Charged Boomerang Cutter will send 4 big cutters to 4 directions that fly in an arc, covering large area.
  • Spock Speak: Well-spoken at all times, and speaks with trains of logic.
  • Stock Animal Behavior: Throwing you with his Dead Lift move via his horns.
  • Super Speed: Moves very quickly even when not teleporting.
  • Teleport Spam: Rapidly teleports around the room.
  • The Tower: His stage is set in a communications tower that he made into his base of operations. X has to climb the walls inside, then take an elevator, then climb the ladders outside, then go inside again before fighting him.
  • Utility Weapon: Boomerang Cutter can obtain hard-to-reach items. It can also cut off Octopus' tentacles and Mammoth's trunk, disabling attacks that use those appendages.
  • We Used to Be Friends: X tries to call off his fight against Kuwanger for this reason in Maverick Hunter X. It doesn't work.

    Chill Penguin (Icy Penguigo) 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_chill_penguin_4299.jpg
Lord of the Snowy Plains
"Sigma has paid for the use of my power. Working for him is a million times better than piddling around on the South Pole with nothing to do."
A Maverick Hunter from the 13th Polar Region Unit, Chill Penguin moved to the 17th Elite Unit and was under Sigma's command. When the revolt started, it sounded fun to him, so he joined up to leave his boring post at the South Pole. There was strong animosity between him and Flame Mammoth.
Weapon: Shotgun Ice (X), Frozen Castle armor enhancement (Vile)
Weakness: Fire Wave
Voiced by: Ryuzo Ishino (JP, Maverick Hunter X), Dean Galloway (EN, Maverick Hunter X)

  • Breath Weapon: Can breath an icy wind to create ice statues that block your shots. He also fires small icicles and Shotgun Ices from his mouth.
  • The Cameo: He appears in Frost Walrus' stage in X4, frozen in the background (specifically in the miniboss fight).
  • Everything's Better with Penguins: He is a penguin robot with the power of frost.
  • Expy: of Ice Man since they both attack by blowing blasts of cold air from their mouths that freeze their targets.
  • Green-Eyed Monster: In Maverick Hunter X, it is implied that Chill Penguin's involvement in the rebellion was partly due to his jealousy of X.
  • An Ice Person: Shoots ice shards, can summon a snowstorm, and creates ice sculptures.
  • It Amused Me: He joined Sigma because he found it more amusing than his job of "piddling around on the South Pole with nothing to do". He also said that Sigma "paid his price".
  • Logical Weakness: Ice Maverick doesn't take well to fire-based weapon. Penguin On Fire is the result.
  • Reassigned to Antarctica: Quite literally, as he was stationed around the South Pole. He was so bored and pissed at such a dead-end assignment he was all but happy to join up with Sigma's revolt for something "exciting" to do.
  • Recursive Ammo: If Shotgun Ice hits a wall, 5 icicles will fan out from the impact point.
  • Shaping Your Attacks: He can create ice copies of himself to be sicced at X or act as barriers to block X's attacks.
  • Shoulders of Doom
  • Slide Attack: Slides on his stomach at you.
  • Slippy-Slidey Ice World: His stage is set in a base in a snowy mountain.
  • Stock Animal Behavior: Sliding around on his belly.
  • Utility Weapon: Charging his Shotgun Ice will give you a temporary ice slide which you can slide on.
  • Warmup Boss: He is the easiest boss in the series, mostly because of his long vulnerability periods and easily telegraphed attacks. He starts the Mega Man X tradition of the ice boss always being the easiest.
  • Weak to Fire: As an ice-based boss, he doesn't take too well to the Fire Wave, taking extra damage and even catching fire when hit by it.
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    Flame Mammoth (Burnin' Noumander) 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_flame_mammoth_2241.jpg
Fiery Oil Tanker
"Bwah ha ha! There's nothing I like more than stomping weak little blabbermouths like you into dust!"
A Maverick Hunter from the 4th Overland Unit under Sigma. He had an arrogant and cocky attitude, and was extremely proud of his large size and strength. His tendency to look down on those smaller and weaker than him, put him on bad terms with his subordinates and Chill Penguin.
Weapon: Fire Wave (X), Flamethrower weapon system (Vile)
Weakness: Storm Tornado, Boomerang Cutter (the latter only for disabling some of his attacks)
Voiced by: Kenta Miyake (JP), Gerald Matthews (EN)

  • Acrofatic: Despite being large and fat, he can jump a distance of almost two screens. He is slow otherwise, though.
  • Adaptational Badass: In Maverick Hunter X he's actually a bit dangerous, as he can hit you when he jumps.
  • Arm Cannon/Fire-Breathing Weapon: He shoots his Fire Wave from his right arm. So will you.
  • Conveyor Belt of Doom: In his boss room. He is able to change the direction of the belt as well by blowing his trunk.
  • Cruel Elephant: Flame Mammoth is very proud of his own power and looks down on smaller people.
  • Eternal Engine: His stage is a weapons factory that he takes over, with lots of "junk" robots being carried around on belts and lots of molten metal pool.
  • Expy: A minor one of Flame Man due to both having an association with oil and an ability to make plumes of flame on the ground - though the specifics of both of these things differ substantially between the two characters.
  • Fat Bastard: Modeled after an elephant, has an arrogant and cocky attitude, as well as enjoys crushing and humiliating anyone weaker than himself.
  • Ground Wave: Charged Fire Wave creates a creeping wave of flame on the ground.
  • Logical Weakness: Fire gets blown away by wind.
    • Severing his trunk stops him using his oil and fire attacks leaving only the Conveyor Belt of Doom and his stomping to worry about.
  • Oil Slick: He can place one on the conveyor belt that can be ignited by his fire attacks.
  • Playing with Fire: Shoots fireballs at you that ignite if they hit an oil patch.
    • Technicolor Fire: In Maverick Hunter X's Hard Mode, they turn blue, and will create a tall pillar of flame if it hits the ground.
  • Pride
  • Shockwave Stomp: Stuns the player when landing from his jumps.
  • Seldom-Seen Species: He is based after Palaeoloxodon naumanni, occasionally called Naumann's Elephant.
  • Simpleton Voice: Voiced this way in Maverick Hunter X.
  • Sole Survivor: In the manga version, he is the only Maverick boss that survives X's counterattack.
  • This Was His True Form: In Iwamoto Yoshihiro's Rockman X manga, he is actually a tiny, spherical worker robot who built the "Flame Mammoth" body around himself out of scrap metal.
  • Warm-Up Boss: Puns aside, he is nearly as easy as Chill Penguin in X1, as he can only damage you with contact damage and a single projectile that he fires diagonally down towards the ground, limiting its range, and crippling its usefulness against X, who can climb walls. Combine these with his slow speed, and the fact that X's default weapon, which he always has access to, is an infinite-ammo full-screen attack, and you get a boss that it's easy to not even take damage against.

    Launch Octopus (Launcher Octopauld) 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_launch_octopus_3590.jpg
Military General of the Deep
"Maverick? How dare you call my artistic battle style by that name!"
A Maverick Hunter from the 6th Marine Unit under Sigma who followed his revolt.
Weapon: Homing Torpedo (X), Missile weapon system (Vile)
Weakness: Rolling Shield, Boomerang Cutter (for disabling some of his attacks)
Voiced by: Tetsuharu Ota (JP), Jonathan Love (EN)

    Spark Mandrill (Spark Mandriller) 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_spark_mandrill_2261.jpg
Lightning King of the Bullet Fists
"I don't like thinking either... Maybe we can find the answer together... In battle!"
A Maverick Hunter that served in the 17th Elite, which was under Sigma's command. When Sigma started his rebellion, he 'logically' decided to follow along.
Weapon: Electric Spark (X), the Rocket Punch weapon system (Vile)
Weakness: Shotgun Ice
Voiced by: Takashi Nagasako (JP), Randy Brososky (EN), Gary Chalk (Animated series)

  • Affably Evil: Mandrill is not too bright and well-spoken; he only fights X because Sigma told him to.
  • Anti-Armor: His Electric Spark can break through Armored Armadillo's armor.
  • By the Lights of Their Eyes: A variation; his entrance animation involves darkening the room and then flashing the lights on his body before revealing himself.
  • Cross Counter: A charged X Buster will send Spark Mandrill reeling back if hit during his dash punch.
  • The Dragon: To Vile in the Mega Man animated series.
  • Dumb Muscle: From his information bio: "Possesses immense strength and a powerful electrical shock attack, but doesn't seem to be the sharpest tool in the shed."
    • He even admits he is not very smart and does not like thinking, but feels that what Sigma is doing is right.
  • Eternal Engine: A different one from Flame Mammoth's stage, his is set in a power plant that experiences rolling blackouts.
  • Good Old Fisticuffs: Has a dashing punch as one of his attacks.
  • Ground Punch: His Electric Spark is done this way, by punching the ground with an electrified fist that sends 2 electric balls creeping along the floor and wall.
  • Heel–Face Turn: In the manga, after being defeated and realizing X was the ultimate Reploid, Mandrill immediately gave up and surrendered before he is killed by a hologram of Sigma.
  • Killer Gorilla: Although he is more of killer mandrill.
  • Mandrill Popsicle: If he is hit by his weakness weapon.
  • Shock and Awe: His Electric Spark weapon.
  • Smart Bomb: In the remake, the charged Electric Spark creates a full screen blast that decimates all enemies.
  • Stealth Pun: His drill punch attack in Maverick Hunter X may have something to do with his name.
  • Stock Animal Behavior: Swinging on the wires above like a monkey.
  • This Is a Drill: In Maverick Hunter X, he can turn his right arm into a drill knuckle.
  • Warm-Up Boss: He can be defeated easily if you have Chill Penguin's weapon, which will Stun Lock him.

    Sting Chameleon (Sting Chameleao) 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_sting_chameleon_5574.jpg
Spirit Sharp-Shooter of the Haunted Forest
"Maverick, Schmaverick! I don't care so long as I make my mark!"
A Maverick Hunter in charge of the 9th Special Forces under Sigma. He's sly and respects only the strong, which may have been his motivation for joining Sigma.
Weapon: Chameleon Sting (X), the Laser weapons system (Vile)
Weakness: Boomerang Cutter
Voiced by: Hiroshi Shimozaki (JP), Roger Rhodes (EN)

  • The Cameo: Appears as one of Metal Shark Player's attacks (from X6).
  • Combat Pragmatist: His credo is "to fight by any means necessary".
  • Confusion Fu: His pattern is rather unpredictable, with him leaping to random directions in the air, or leaping right towards you on the ground, or becoming invisible and reappearing close to you for his tongue lash attack.
  • Cycle of Hurting: If you hit him with his weakness, he'll respond by dropping to the ground, and then doing his 'hang from the ceiling and shake to make spikes fall' attack. Thing is, he hangs low enough to get hit by his weakness when doing this, and the actually-damaging portion of that maneuver doesn't start until after his Mercy Invincibility wears off, so X can very easily lock him into one of these.
  • Frickin' Laser Beams: Chameleon Sting shoots green laser beams.
  • Giggling Villain: Giggles a lot in his boss fight.
  • Green and Mean: In fact, he practically trolls X when they met, at least in the remake.
  • Hollywood Chameleons: His camouflage is nearly perfect, only distorting the wall behind him, a la The Predator.
  • Invisibility: Blends into the background to vanish.
  • I Shall Taunt You: In Maverick Hunter X, most of his in-battle sounds are basically "nyeh nyeh" taunts, presumably trying to goad or mock X (and annoy the player).
  • Jungle Japes: His stage is set in a jungle with a small swamp near the end.
  • Light 'em Up: His Chameleon Sting is a spread of high-level optical laser beams.
  • Light Is Not Good: Has light based abilities (invisibility cloak), a light based weapon (see above), and is one of the villains.
  • Lizard Folk: Being a chameleon robot makes him one.
  • Logical Weakness: Hanging by the tongue makes him vulnerable to a cutting weapon.
  • Maniac Tongue: On top of being a chameleon with the tongue to match, he's also quite the maniac.
  • Multipurpose Tongue: Uses it to attack X as well as hang from the ceiling.
  • Overly Long Tongue: He's a chameleon.
  • Spread Shot: His Chameleon Sting shoots in three directions. Vile's default laser weapon Cerberus Phantom is its practical duplicate.
  • Stock Animal Behavior: Attacking you with his tongue, as well as turning invisible.
  • Unusual Weapon Mounting: He apparently fires Chameleon Stings from his tail.
  • Utility Weapon: Charging up Chameleon Sting effectively makes you completely invulnerable for a brief period of time.
  • Wall Crawl: When turning invisible.

    Storm Eagle (Storm Eagleed) 
https://static.tvtropes.org/pmwiki/pub/images/x1_-_storm_eagle_9859.jpg
Prince of the Skies
Once a noble and popular Reploid leader of the Maverick Hunter's 7th Air Cavalry unit, he was forced into submission after a failed attempt at stopping Sigma. Because of this loss, Storm Eagle loyally, yet reluctantly agreed to follow Sigma in his rebellion.
Weapon: Storm Tornado (X), Speed Devil armor enhancement (Vile)
Weakness: Chameleon Sting
Voiced by: Daisuke Kageura (JP), Tommy James (EN)

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Mega Man X2 Mavericks

    Bubble Crab (Bubbly Crablos) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_bubble_crab_5158.jpg
Pulverizing Demon of the Ocean Depths
A crab-based Reploid. Crab was a Maverick Hunter and served in the 6th Naval Unit along with Wheel Gator. Being extremely avaricious, Crab's only motivation in life was to amass great wealth, joined Sigma's rebellion seeing it as his big break. He was put in charge of transportation, and tasked with defending the Mavericks' deep-sea submarine base.
Weapon: Bubble Splash
Weakness: Spin Wheel

  • Aquatic Mook: You fight him underwater, although the water level changes every now and then.
  • Bubble Gun: His Bubble Splash.
  • Expy: A partial one to Bubble Man, as they both attack with bubbles and are weak to a circular sawblade-like weapon.
  • Fish People: Well, crab person. Being a humanoid robot crab makes him one.
  • Giant Enemy Crab: Actually he is one of the smaller bosses, but is still a crab and bigger than you.
  • Greed: Joined Sigma's forces and the X-Hunters solely because he wanted to get rich.
  • Laser Crab Claws: Extends them from the orbs on his head and jumps to attack you when you're above him.
  • Logical Weakness: A spiked wheel could crack a crab's shell and pop bubbles.
  • Making a Splash: Bubble Splash shoots a stream of bubbles.
  • Only in It for the Money: His main motivation to join Sigma's forces was to amass huge amounts of money.
  • Penny-Pinching Crab: A crab-themed boss who only worked for the villains because they paid him enough.
  • Power Pincers: Despite being a crab, he actually lacks these normally. When he does generate them, they're only used as spiked shoulders to pierce X, not pinch him.
  • The Remnant: One of the Maverick Hunters who defected during Sigma's rebellion.
  • Spiked Shoulders of Doom: Which he can project laser crab claws from.
  • Stock Animal Behavior: Blowing bubbles, as well as walking sideways.
  • Tactical Suicide Boss: Will do an upwards attack every single time X goes directly above him. Thing is, this attack forces him to drop his shield, meaning a player who's mastered X's aerial movement can literally compel Bubble Crab to drop his (otherwise only vulnerable to his weakness) shield as much as they want.
  • Under the Sea: His stage has you going to the sea, trying to catch up with his submarine.
  • Underwater Boss Battle: The water level does vary every now and then during his fight.
  • Utility Weapon: Charging up Bubble Splash gives you a bubble shield, which makes you jump higher underwater.

    Crystal Snail (Crystar Mymine) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_crystal_snail_26.jpg
Crystal Magician
A garden snail-based Reploid whose origins and motives are a mystery. He guards the Energen Crystal mine under Sigma's command.
Weapon: Crystal Hunter
Weakness: Magnet Mine

  • Big Creepy-Crawlies: He is a human-sized snail maverick.
  • Boss Vulnerability: Can't be damaged in his shell.
  • Crystal Landscape: His stage is set in a cave full of colorful crystals.
  • Crystal Prison: His Crystal Hunter does this to X.
  • Dirty Coward: Without his shell to protect him from X's attacks, he doesn't even try to fight and will ignore X to try and climb back inside, only resuming attacking once he's safe again.
  • Gameplay and Story Segregation: His speed is listed as 500rp, by far the slowest of any boss in the game. This is a complete lie — not only does he rocket around the room using his shell as a booster pack, but when blown out of his shell by a Magnet Mine he begins rapidly jumping and dashing around the room to get back into it.
  • Gemstone Assault: Crystal Hunter shoots gooey crystalline drops.
  • Luckily, My Shield Will Protect Me: Can't be damaged when in his shell.
  • Removable Shell: Hit him with the Magnet Mine and it separates him from his shell.
  • Shed Armor, Gain Speed: If you manage to knock his shell off with Magnet Mine, he'll move much faster, trying to get the shell again.
  • Stealth Pun: Everything about him (well, except for when he's without the shell) plays in "a snail's pace". If you don't have/use Magnet Mine or the buster upgrade, your fight with him will be dragged on for long due to his protective shell, his Crystal Hunter stuns its victims in place and its charged version slows everything down.
  • Stock Animal Behavior: Retracting into his shell.
  • Time Master: Subverted- While he looks like he's slowing down time, the manga shows that he actually causes crystals to form around X's body and hamper his movements. Charged Crystal Hunter naturally does the same, giving you the illusion of slowing the enemy movements.
  • Utility Weapon: Enemies frozen by Crystal Hunter can be used as improvised platforms.
  • Villainous Breakdown: When you knock him out of his shell with a Magnet Mine, he goes nuts and starts bounding around the room and dashing about trying to get back to it, foregoing all methods of attack until he's safely back inside.

    Flame Stag (Flame Stagger) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_flame_stag_7791.jpg
Heat Knuckle Champion
A white-tailed deer-based Reploid. Stag was a former member of the 17th Elite Unit who followed along with Boomer Kuwanger to join Sigma's first rebellion. Afterwards, his whereabouts became unknown, but later resurfaced occupying an active volcano with the intent of triggering an eruption that would block out the sun with volcanic ash, starting a new ice age.
Weapon: Speed Burner/Rushing Burner
Weakness: Bubble Splash

    Magna Centipede (Magne Hyakulegger) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_magna_centipede_3901.jpg
Crimson Assassin
A common centipede-based Reploid. Centipede was a former member the 0th Special Unit that was captured by Sigma's forces during a mission and brainwashed. After becoming a Maverick, Centipede was stationed at a computer center, where he began transmitting the Maverick Virus around the world.
Weapon: Magnet Mine
Weakness: Silk Shot/Scrap Shoot

  • Beware My Stinger Tail: He uses this to hack X and reduce his capabilities.
  • Big Creepy-Crawlies: A giant centipede.
  • The Cameo: Appears as one of Metal Shark Player's attacks (from X6).
  • Ceiling Cling: Can teleport to appear upside-down on the ceiling and flip from ceiling to floor and back up at will.
  • The Cracker: He hacked the Central Computer to transmit the Maverick Virus around the world.
  • Creepy Centipedes: A Maverick centipede and a pretty skilled hacker of a villain.
  • Cyber Ninja: He is a robot ninja with the ability to hack his enemies, teleport, and throw homing mines.
  • Energy Absorption: Charged Magnet Mine is able to absorb enemy's shots towards itself.
  • Magnetism Manipulation: His Magnet Mine homes in on X.
  • Multi-Armed and Dangerous: Has four arms.
  • Ninja Pirate Zombie Robot: A ninja hacker centipede robot!
  • Ninja: Is capable of teleportation and stealth operations, such as sneaking into the central computer system and hacking it. He also was part of the 0th special unit, which specializes in covert operations.
  • One Bullet at a Time: If he grabs X with his pincers, he'll debilitate X and prevent him from charging or firing multiple buster shots at once.
  • Optional Stealth: His stage has sensor lights that will go off and activate the security systems if you're detected. You don't have to play stealthily, but doing so will make it easier to reach the end.
  • Player-Guided Missile: His Magnet Mine can be controlled to go up or down by the player.
  • The Remnant: One of the Maverick Hunters who defected during Sigma's rebellion.
  • Rock Beats Laser: A technologically-skilled robot that teleports and uses homing mines is weak to scrap metal. In fact, it disables his tail.
  • Sticky Bomb: His Magnet Mine can stick onto walls, ceilings and enemies before exploding.
  • Teleport Spam: Warps around the room throughout the battle.
  • Woolseyism: Odd non-localization example: His Japanese name is "Hyakulegger", or "Hundred Legger", because developers figured Japanese children wouldn't recognize any variation on the English word "centipede"

    Morph Moth (Metamor Mothmeanos) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_morph_moth_8796.jpg
Fallen Angel of the Island of Dreams
A bagworm moth-based Reploid of an unknown origin. He has the ability to transform/evolve his body by absorbing scrap from other Reploids, robots, and machinery. Under Sigma's orders, Moth occupied the Robot Junkyard, using the scrap materials there to resurrect fallen Reploids.
Weapon: Silk Shot/Scrap Shoot
Weakness: Speed Burner/Rushing Burner

  • Abnormal Ammo: He manipulates scrap metal as weapon.
  • Airborne Mook: During the second half of the fight.
  • Alliterative Name
  • Big Creepy-Crawlies: He is obviously a giant bagworm moth.
  • Body of Bodies: His cocoon form is made of scraps absorbed from destroyed Reploids and Mechaniloids. The Garakuta enemies in his stage are essentially a mishmash of robot bodies put together.
  • Chasing Your Tail: In his cocoon form, he fires a line of junk that you must avoid by going in a circle.
  • Down in the Dumps: His stage is set in a recycling factory around a junkyard.
  • Extra-ore-dinary: Silk Shot mainly collects and shoots scrap metal. Sometimes, however, it might attract rocks, leaves or crystals depending on the stage.
  • Logical Weakness: Junk-based robots don't take well to incineration. Cocoon/Moth On Fire is the result.
  • Macabre Moth Motif: Based on a moth, and a Maverick. He even has the metamorphosis theme played straight too.
  • Metamorphosis Monster: The entire battle is him metamorphosing into an adult moth.
  • Moth Menace: A moth Maverick who builds himself from scrapped Reploids and resurrects them.
  • Sequential Boss: First you fight his larvae form, then he morphs into his moth form for the second half of the fight.
  • Situational Damage Attack: Depending on the stage, the weapon he gives X can take on different forms, sometimes stronger or weaker.
  • Stock Animal Behavior: Dropping sparkling dust in his moth form as he flies around.
  • Utility Weapon: Using a charged Silk Shot in secret rooms to attract large amounts of Life Energy.
  • Wave-Motion Gun: In his moth form, he can shoot a laser beam from his palms.
  • Weak to Fire: Due to being made of junk, he gets incinerated by the Speed Burner, taking extra damage and even catching fire when hit by it.
  • Winged Humanoid: Comes with the wings in his moth form, being a moth robot and all.
  • You Will Not Evade Me: Thought yourself very clever by just clinging to the wall in the fight against Morph Moth? No biggie. He'll just fly up to where you are and poke you to death.

    Overdrive Ostrich (Sonic Ostreague) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_overdrive_ostrich_5379.jpg
Swift Runner of the Sandy Plains
An ostrich-based Reploid, he was formerly a member of the 7th Airborne Unit who resigned after an accident that cost him the ability to fly. Sigma later sought to recruit him, seeing use for his superior speed. Ostrich, sensing appreciation for his abilities, pledged his loyalty to Sigma and was stationed at an abandoned missile base in a desert.
Weapon: Sonic Slicer
Weakness: Crystal Hunter

  • Alliterative Name: in the western version at least.
  • Bird People: An ostrich robot.
  • Death from Above: He has 2 attacks coming from above - 1) he comes back in by running in the background then jumping into the air and landing on X, and 2) he fires Sonic Slicers upwards that then rain down. Charged Sonic Slicer for X does a similar thing.
  • Dented Iron: Joking aside, he is formidable despite being partially crippled after his accident.
  • Expy: of Quick Man, as they both are based on running fast, and attack by firing boomerangs.
  • Feathered Fiend
  • Foe-Tossing Charge: Get hit by him while he's running and you'll be knocked far backwards!
  • Handicapped Badass: He was once able to fly but got in an accident. Also a nod to real-life, where ostriches are incapable of flying.
  • Logical Weakness: An enemy all about speed isn't nearly so threatening when he can't move.
  • Razor Wind: His Sonic Slicer.
  • The Remnant: One of the Maverick Hunters who defected during Sigma's rebellion.
  • Revenge: In the manga, Ostrich joins Sigma to avenge Storm Eagle (not knowing that Sigma was the reason Storm Eagle had to fight X in the first place).
  • Riding the Bomb: In a scripted event, X jumps onto a missile and destroys it before dropping down to the desert to encounter Ostrich.
  • Spread Shot: Normal Sonic Slicer fires 2 shots that reflects off walls, floors and ceilings. Charged up, 5 bigger shots are fired up which then fall down, covering a wide area.
  • Shifting Sand Land: His stage is set in a desert, where you can find Ride Chasers that lets you ride through sandstorms.
  • Stock Animal Behavior: Running around really fast.
  • Super Speed: Runs so fast he can knock you across the screen.

    Wheel Gator (Wheel Alligates) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_wheel_gator_8952.jpg
Evil Fanged Heavy Tank
An alligator-based Reploid who serves as an officer of 6th Naval Unit. Gator was later discharged, hunted as a Maverick and a traitor after viciously attacking a fellow Hunter. To satisfy his destructive impulses, he joined Sigma's army and was given control of a massive dinosaur-modeled tank, which he tried to use to raze an entire city.
Weapon: Spin Wheel
Weakness: Strike Chain

  • Blood Knight: Due to his ferocious nature, Gator attacked a fellow Hunter during a mission and was later hunted as a traitor. To satisfy his destructive impulses, he joined Sigma's Maverick army.
  • Deadly Disc: His Spin Wheel attack.
  • Desperation Attack: Jumps into the air, and spins like a drill to drill non-lethal spikes into the wall.
  • Eat the Bomb: He can eat semi-charged buster shots and spit them back out as energy projectiles.
  • Lizard Folk: A robotic version at least, being an alligator robot and all.
  • Logical Weakness: When gators are caught in the wild, one of the first things to do is tie/chain its mouth shut.
  • Multi-Directional Barrage: Charged Spin Wheel shoots out multiple laser beams from a big wheel to 8 directions.
  • Never Smile at a Crocodile: He's always got a grin on.
  • Oil Slick: His arena is a pool of oil (at least it looks like oil) that slows X down and leaves him open for a bite.
  • The Remnant: One of the Maverick Hunters who defected during Sigma's rebellion from the first game.
  • Shoulders of Doom: Like Metal Man, his shoulders have buzzsaws on them. Unlike Metal Man, he can actually fire blades from there.
  • Stock Animal Behavior: Using the death roll to drill the wall, as well as leaping out of the oil to grab X.
  • Tank Goodness: His level is an enormous dinosaur-based tank. You're basically raiding it to get to him.
  • Utility Weapon: Spin Wheel can dig through false floors/walls, revealing secret areas.

    Wire Sponge (Wire Hetimarl) 
https://static.tvtropes.org/pmwiki/pub/images/x2_-_wire_sponge_6111.jpg
Little Demon of the Green Forest
A luffa-based Reploid. He was created in one of Sigma's Maverick producing factories, an accident resulted in him having a personality disorder which causes him to be childish and easily amused. Sponge was placed in charge of the Weather Control Station, where he found delight in passing the time playing with the weather system.
Weapon: Strike Chain
Weakness: Sonic Slicer

  • Chain Pain: His Strike Chain shoots a chain out.
  • Death by Cameo: His body was apparently left to rot after being defeated, and by Mega Man ZX his body had grown into a giant stalk that dominates the Tower of Verdure.
  • Desperation Attack: Electrifies himself and sends down a lightning storm.
  • Grappling-Hook Pistol: When X gets Strike Chain from him, it allows him to use the chain as a grappling hook. Wire Sponge himself also uses his chains to grapple towards the ceiling and walls.
  • Half the Man He Used to Be: If you land the finishing blow with the Sonic Slicer. Oddly, despite this only being the second game, he's the only Maverick in the series who actually has a unique death scene if you kill him with his weakness.
  • Logical Weakness: Both plants and wires can be easily cut through with a sharp blade.
  • Manchild: An production accident resulted in him having a personality disorder, which causes him to be childish and easily amused.
  • Plant Person: He is based off a Loofah/Luffa sponge ("Hechima" in Japan, hence his Japanese name), not a sea sponge.
  • Seldom-Seen Species: Let's be frank, how many of you confuse him with the dish-washing sponge? Or a sea sponge?
  • Shock and Awe: His Desperation Attack.
  • Spin to Deflect Stuff: Spins his Strike Chain in front of him to block attacks.
  • Spared by the Adaptation: The only X2 Maverick boss in the manga who is spared from being killed by X. Justified, since Dr. Cain told X that Wire Sponge is too scared to fight at this point.
  • Turns Red: Literally, at a certain point in the battle, combined with Burning with Anger, as steam will come out of...well where his ears should be during the process.
  • Utility Weapon: Strike Chain is a retractable Grappling-Hook Pistol that can be used to either zip to the wall or grab items from a distance. Downplayed in that, aside from some Sequence Breaking to get the X-Buster upgrade early on, there's no time when you need to use the Strike Chain to reach an area.
  • Warm-Up Boss: With a simple attack pattern, he's an ideal Maverick to select first. In addition, all of upgrades in the stage can be collected in one go if one has foreknowledge.
  • Weather-Control Machine: Can summon lightning, and his stage features crystals that change the weather of the region.

Mega Man X3 Mavericks

    Blast Hornet (Explose Horneck) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_blast_hornet_7549.jpg
Flying Spy of Shadow
An hornet-based Reploid and former second in-command of the Maverick Hunter's Special 0 Unit. When his superior Zero received an invitation to go to Dopple Town, Blast Hornet went in his place as Zero was busy. Blast Hornet fell victim to the Sigma virus there and became a Maverick, joining Dr. Doppler's army.
Weapon: Parasitic Bomb
Weakness: Gravity Well/Bug Hole

    Blizzard Buffalo (Frozen Buffalio) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_blizzard_buffalo_2208.jpg
Silvery Snowman
A bison-based Reploid who was a gentle servant at a ski resort. Despite his foreboding appearance, Buffalo was said to be very artistic. However, after coming to Dopple Town upon invitation, Buffalo was infected with the Maverick Virus and became a member of Dr. Doppler's army.
Weapon: Frost Shield
Weakness: Parasitic Bomb

  • A.I. Breaker: Can be made to repeatedly ram the wall behind him if you stay higher in the air than his height, which can be accomlished with the upward air dash.
    • Warm-Up Boss: Because of the above and simplistic AI, he is a good starting boss for those new to the game.
  • Alliterative Name: In the western version at least.
  • A Load of Bull: He is a humanoid buffalo Reploid.
  • Ascended Extra: He appears not just one, but two manga adaptations of the third and fourth games.
  • Back for the Dead: Shows up in the X4 manga to assist X in fighting Frost Walrus...only to end up Taking the Bullet for X.
  • Brainwashed and Crazy: Both in the game and in the manga.
  • Bullfight Boss: He charges at you constantly.
  • The Cameo: Appears in Frost Walrus' stage in X4, frozen in the background at the very beginning.
  • Desperation Attack: Fires a Freeze Ray that traps X in ice.
  • Freeze Ray: His desperation attack has him fire out one, and if this hits X, it freezes him in place.
  • Gentle Giant: Before becoming infected by the virus, at least.
  • Harmless Freezing: If his ice beam gets you.
  • Heel–Face Turn: In the manga, he returns to his former self and joins the Maverick Hunters.
  • Horn Attack: Can use it to grab X and ram him into the wall.
  • Horned Humanoid: He is a buffalo robot and thus comes with the horns.
  • An Ice Buffalo: Attacks with ice balls and even an ice beam.
  • Impaled with Extreme Prejudice: In the X4 manga, Buffalo goes with X to confront Frost Walrus, who had been ruthlessly hunting Reploids for sport. Walrus swiftly defeats X, battering him so bad that it left him unconscious. Buffalo steps in to help and save X, and Walrus viciously kills Blizzard by impaling him with a giant icicle using the Frost Tower attack.
  • Logical Weakness: His weakness to the Parasitic Bomb may seem odd, until you realize that buffalo in Real Life tend to be hounded by loads of parasites, and even need birds to clean them off. Also, explosives > ice.
  • Slippy-Slidey Ice World: His stage is set in a city during winter.
  • Spikes of Doom: Frost Shield's uncharged attack can create ice spikes on the ground.
  • Stock Animal Behavior: Charging at you.
  • Taking the Bullet: Dies saving X from Frost Walrus' deathblow in the X4 manga.
  • Utility Weapon: Charging up Frost Shield in the water will create a large ice block that X can stand on to float to the surface.

    Crush Crawfish (Scissors Shrimper) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_crush_crawfish_3098.jpg
Destruction God of the Seven Seas
A violent clawed lobster/shrimp-based Reploid created for combat. There was an error in Crawfish's progamming that made him unable to distinguish between allies and enemies, and thus he attacked anyone indiscriminately. Due to his violent nature, he was sealed away in a warehouse. However, during Dr. Doppler's uprising, someone revived Crawfish and let him loose. He is now stationed at a shipyard.
Weapon: Spinning Blade
Weakness: Triad Thunder

  • Alliterative Name: Times two.
  • Ax-Crazy: An AI flaw made him unable to distinguish between allies and enemies, causing him to become violent.
  • Boom, Headshot!: How X killed him in the manga.
  • Deadly Disc: His Spinning Blade.
  • Desperation Attack: Performs a very painful bum rush if X is on the ground.
  • Giant Enemy Crab: A crayfish robot that is bigger than X and most certainly not a friendly character.
  • Graceful Loser: In the manga, he was impressed that X's withdrawal from battle is actually part of a plan to snipe him in the head at a safe distance.
  • Hostage Situation: Does this in the manga after almost getting beaten by X.
  • Logical Weakness: Triad Thunder. Not only is he based on an aquatic sea creature, but as much fun as it might be to crush/chop up an opponent, it is not so much fun if they fry you on contact.
  • Player-Guided Missile: Charged Spinning Blade fires a disc that can be moved around by the player, making it look like a yo-yo.
  • Power Pincers/Shear Menace: His main method of attack is via his sharp claws.
  • Psycho for Hire: Due to a flaw in his AI that made him unable to tell enemy from ally, he was violent and leaned towards being a Maverick. He was locked up in a warehouse before he was released by Dr. Doppler.
  • Robotic Psychopath: Thanks to his AI flaw, he was already violent and psychopathic even before he met Dr. Doppler — no Sigma Virus needed.
  • Ship Level: The later part of his stage is set inside a ship he's in. You later get to blow the ship's core, causing the stage to be rotated 90 degrees.
  • Stock Animal Behavior: Pinching the player character with his huge claws. Painfully.
  • Spam Attack: What happens if he grabs you. Mash the buttons to get out quickly!
  • You Will Not Evade Me: Attempt to Wall Jump away from his deadly pincer move and he'll throw a net to get you back down.

    Gravity Beetle (Gravity Beetbood) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_gravity_beetle_3551.jpg
Steel Revenger
A rhinoceros beetle-based Reploid. Beetle was a Maverick Hunter from the 17th unit, but after the death of his brother, Boomer Kuwanger, he wanted to avenge him and joined Dr. Doppler's forces in X3 to fight against X.
Weapon: Gravity Well/Bug Hole
Weakness: Ray Splasher

    Neon Tiger (Shining Tigerd) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_neon_tiger_1128.jpg
Guardian Deity of the Jungle
A tiger-based Reploid and poacher hunter designed to ensure no one attempted to steal and/or harm the small amount of remaining natural wildlife, but became a Maverick after being infected with the Maverick Virus. Utilizing solar energy as a power source, his power is said to be unlimited as long as there is sunlight available.
Weapon: Ray Splasher
Weakness: Spinning Blade

    Toxic Seahorse (Acid Seaforce) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_toxic_seahorse_6405.jpg
Water Dragon President
An unknown spiny seahorse-based Reploid who took control of Monarch dam, one of the world's most prominent man-made structures, and used it to restrict the supply of drinking water for humans.
Weapon: Acid Burst/Acid Rush
Weakness: Frost Shield

  • Acid Attack: He fires acid balls that splash on contact with walls. Later on he fires bouncy acid balls as well, and acid does not work that way in real life.
  • Blob Monster: He is able to shapeshift into a liquid form, thanks to being made of liquid metal.
  • Desperation Attack: Fires out two strong, hard-to-destroy bouncing balls of acid.
  • Down the Drain: His stage is set in a dam.
  • Elemental Shapeshifter: Thanks to being made of liquid metal, h is able to shapeshift into an acid-like substance and back. However, this also makes him vulnerable to freezing.
  • Expy: An acidic, aquatic boss who occupies a dam? Sounds like Toad Man.
  • Fish People: Being a seahorse robot, he fits as one.
  • Logical Weakness: Acid is still a liquid, so it can be frozen with an ice weapon. Due to being made of liquid metal, he would also freeze very easily.
  • Seahorses Are Dragons: He is at least called a "dragon" in his nickname.
  • Spread Shot: The Acid Burst will splash smaller shots out when it hits a wall.
  • Together in Death: Toxic Seahorse appears in the X3 manga, cutting off water to the humans on Dr. Doppler's orders. X and Zero fight him after running afoul of his hidden ambush attacks in the sea. Toxic Seahorse has drowned an entire town, poetically proclaiming it to be "holy ground", upon which our heroes X and Zero should stay away. He also ominously says that he is "already dead". They do battle across the town, and eventually come out victorious, forcing Seahorse to flee. When X and Zero follow him, they see he has escaped to the top of a tree, and is quietly hugging a frozen, female Reploid, who was his girlfriend. Seahorse is also about to liquefy his programming, which would kill him. X wants to stop him and take him into custody, but Zero convinces him not to, saying they have finished their task of defeating Seahorse and fixing the dam he ruined. Seahorse then perishes, together in death with his beloved.
    Narrator: It was then when X remembered. Seahorse had called his dam his "holy ground" and he had said that "he was already dead"... But there was no way X could have understood the true meaning of those words. The honorable dam recovered its original function again. The ruins fell into silent sleep. And Seahorse too became unknown... The metal liquid gently embracing the Reploid who stands still.

    Tunnel Rhino (Screw Masaider) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_tunnel_rhino_1703.jpg
Barbarian of the Earth's Depths
A rhinoceros-based Reploid. Rhino was an energen crystal miner who became a Maverick after being invited to Dopple Town. Under Doppler's orders, Rhino occupies a rock quarry and uses his Tornado Fang for destructive purposes.
Weapon: Tornado Fang
Weakness: Acid Burst/Acid Rush

    Volt Catfish (Electro Namazuros) 
https://static.tvtropes.org/pmwiki/pub/images/x3_-_volt_catfish_7704.jpg
Rescue Power Plant
A playful electric catfish-based Reploid. An incredible generator was built in his body, making him a veritable walking power plant. He was active in providing power to cities during times of crisis. However, after being invited to Dopple Town he became Maverick. He began to take over power plants all over the world and siphon their energy to Dr. Doppler's research facility.
Weapon: Triad Thunder
Weakness: Tornado Fang

  • Attack Drone: Triad Thunder creates 3 drones that shoots electricity.
  • The Catfish: Albeit a humanoid electric catfish.
  • Desperation Attack: Turns invulnerable and sprays sparks all over, then tries to rush you.
  • Eternal Engine: Like Spark Mandrill's, his stage is set in a power plant that he tries to take electric power from.
  • Fish People
  • Heroic Sacrifice: In the manga, after being defeated by X, Volt Catfish used his body as a replacement generator to return the electricity he stole, at the cost of his life.
  • Invulnerable Attack: During his Desperation Attack, Catfish is invincible to every attacks save for the Tornado Fang.
  • Manchild: In his "intro video" (Playstation version only) he is shown sliding out of a water slide, smiling widely.
  • Psycho Electric Eel: He is based off an electric catfish.
  • Seldom-Seen Species: Based off an Electric Catfish, which isn't seen often in media.
  • Shock and Awe: Like his name suggests, he attacks with several electrical attacks.
  • Utility Weapon: Charging up his Triad Thunder will allow X to use a Ground Pound, destroying certain background objects.

Mega Man X4 Mavericks

    General 
  • Boss Banter: They usually do this every time they showed up. Most of them were cut in the English version, however. The trend would later continue from X6 onwards.
  • Not Brainwashed: The Mavericks under Repliforce were not infected and brainwashed by the Sigma Virus, only becoming Maverick due to Just Following Orders from superiors that were branded as Maverick, although some such as Frost Walrus had very questionable behavior before they joined.

    Cyber Peacock (Cyber Kujacker) 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_cyber_peacock_3472.jpg
Network Guardian
"You’re really something, aren’t you? Making it all the way here. But you cannot win against me! Prepare yourself!"
A digitized peafowl-based Maverick. He was originally an AI that protected the network from hackers before he was corrupted by Sigma. He then begins corrupting the network himself, to draw the Maverick Hunters attention as he was tasked to measure their potential.
Weapon: Aiming Laser/Rakuhouha
Weakness: Soul Body/Ryuenjin
Voiced by: Issei Futamata (JP)

  • Agent Peacock: Quite literally. He is a pretty elegant fellow in combat.
    Cyber Peacock: "Here I come!"
  • A.I. Is a Crapshoot: Justified, as Peacock's programming was rewritten by Sigma.
  • Camp Gay: Sort of. He would even say "How cruel!" note  when hit with Soul Body or Ryuuenjin in the Japanese version.
  • The Cracker: A hacker AI maverick skilled at corrupting networks.
  • Crosshair Aware: During his Desperation Attack he'll put a crosshair on the player and then he'll be constantly targeted by homing tail feathers.
    • When X acquires his weapon, it comes with a crosshair that can target enemies on a half circle (180 degrees) in front of him; after locking to up to 3 enemies, he can then fire a continuous laser at them.
  • Cyberspace: His stage is set in one. The first half consists of 3 "trials" where the player have to move forward to the "finish lines" as quickly as possible; if the player get the S rank, they will get rewards, i.e the Heart Container, the E-Subtank and Dr. Light's capsule. Along the way X/Zero find yellow cyber-balls that will slow them down and are indestructible (except for Split Mushroom's weapon). The second half is in the deeper part of the cyberspace where there are buttons that change the layout of the level, turning things upside down.
  • Desperation Attack: Fires his tail feathers at the player.
  • Digitized Hacker: He is an AI who is able to hack networks.
  • Feathered Fiend: A Peacock maverick and a skilled hacker of a villain.
  • Feather Flechettes: Homing exploding feathers proticle
  • Homing Projectile: When low on health he'll lock onto the player character and fire exploding feathers that home in on them. Unfortunately, these are not destructible.
    Cyber Peacock: "You cannot escape!"
  • Logical Weakness: Thanks to holographic projections not being "real", it disrupts his code's structural integrity.
  • Peacock Girl: Even though Peacock is a male, he acts a little camp.
  • Power Floats: Floats around the room during most of his attacks.
  • Spread Shot: Zero's weapon, as his Giga Attack that covers the whole screen.
  • Stock Animal Behavior: Expanding his tail feathers to attack you.
  • Teleport Spam: His main movement is via teleporting, usually on top of X or Zero to do Collision Damage.
  • This Cannot Be!: His response to X's potential being "limitless".
    Cyber Peacock: "His potential ability... is immeasurable!? Unbelievable."
    X: "Who are you? Why would you do such a thing?"
    Cyber Peacock: "I was asked to by a certain someone. To investigate you, he said."
    X: "What!?"
    Cyber Peacock: "Well then, here I come!"
  • Weaponized Teleportation: Has a very huge tendency to teleport on X's or Zero's position to deal Collision Damage.
  • Years Too Early: His intro Boss Banter in the Japanese version.
    Cyber Peacock: "You're ten years too early to pick me as your opponent."

    Frost Walrus (Frost Kibatodos) 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_frost_walrus_103.jpg
Roughneck of the North Pole
"I must have been taken lightly, for my opponent to be such a kid. Whatever, I’ll tear you apart!"
A walrus/Steller sea lion-based Reploid. Frost Walrus has an ill-tempered and destructive behavior that got him identified as a Maverick, but he was saved when General invited him to join Repliforce. As a Repliforce member, Walrus was under the impression that rioting around crazily was a military man's duty. When the war between Repliforce and the Maverick Hunters began, he was extremely grateful of the coup d'etat, and was later put in charge of a secret military base in snowy region that was developing new weapons.
Weapon: Frost Tower/Hyouretsuzan
Weakness: Rising Fire/Ryuenjin
Voiced by: Kazuo Oka (JP)

  • Adaptational Badass: In the manga version of Mega Man X4, Walrus is able to easily defeat both X and Blizzard Buffalo in battle, pulverizing X so badly that he loses consciousness. Buffalo steps in to fight Walrus himself, and when X wakes up, he finds Buffalo killed, impaled by a large icicle attack from Walrus. X then tracks down Walrus's base and confronts him again, this time prepared with Ride Armor. Walrus is able to swiftly destroy the Ride Armor with his Frost Tower attack with little effort, but X damages him heavily by setting him alight with the fuel tank of the broken Ride Armor... and Frost is still able to gain the upper hand on X. Before he can kill him, though, he is brutally shot down by General for his previous misconduct and to save X's life. Compare that juggernaut to the game version, who is considered a Warm-Up Boss of the game by a good majority of players and can be shredded easily even without his weakness due to how slow and big he is.
  • Big "YES!": In the Japanese version, he would say "Oh yeah!" while doing the Frost Tower attack.
  • Blood Knight: He was very angry and destructive before joining Repliforce. Indeed, his destructive nature got him marked for termination as a Maverick, but before he could be punished, the General did him a favor and saved him by inviting him to join Repliforce. This is something Colonel reminded Walrus of when he rebuked him in the X4 manga for causing riots unrelated and unhelpful to the Repliforce's coup plans.
  • Desperation Attack: Creates a giant ice crystal that falls to the ground and explodes into a rain of icicles. It's copied as both X and Zero's weapons.
  • Elemental Barrier: X can use his weapon like this. It can also be dropped from above, if done in midair.
  • Fangs Are Evil: One of the more evil members of Repliforce and being a Wily Walrus, he's got the fangs. Made of ice, no less.
  • Fat Bastard: Big and likes to look down on others weaker than him. Especially in the manga.
  • Hunting the Most Dangerous Game: In the X4 manga, after Colonel comes to his headquarters and berates him for causing unnecessary riots unhelpful to the Repliforce's coup d'etat, he goes on a tantrum and releases dozens of Reploid prisoners and tells them to run as fast as they can. He later hunts them down and brutally kills all of them, save one, who was saved by X and Blizzard Buffalo.
  • An Ice Person
  • Just a Kid: Says this before confronting X/Zero, which is ironic since the two are the oldest Reploids in existence.
    Frost Walrus: "I must have been taken lightly, for my opponent to be such a kid. Whatever, I’ll tear you apart!"
    • Zero takes offense at this.
      Frost Walrus: "I wondered what sort of guy would come, and it’s just some blonde kid! I can’t go all out like this!"
      Frost Walrus: "W-What!? Damn brat, I'll flatten you!"
    • His intro dialogue against Zero in the English version is even more straightforward.
      Frost Walrus: "What's that blonde kid up to?! I don't have time for you junior!"
      Frost Walrus: "Oh... That does it, you're goin' down!"
  • Large and in Charge: Of his Repliforce weapons warehouse.
  • Logical Weakness: Like a lot of Ice-based bosses, he is weak against fire based weapon. Walrus On Fire is the result.
  • Mighty Glacier: Big and slow, but his ice attacks pack a whallop. Along with him having ice powers, he's a Mighty Glacier in every sense of the word.
  • Monstrosity Equals Weakness: He is the biggest Maverick in the game (and the whole series until he was eclipsed by Rainy Turtloid in X6) but is pretty easy.
  • Prepare to Die: Only in the Japanese version as one of his intro Boss Banters.
    Frost Walrus: I'll crush you! Get ready!
  • Shoulders of Doom: Has big round shoulders adorned with icicles.
  • Slide Attack: Slides on his belly to rush at you. He may sometimes jump first and then fall belly-first before doing so if you're in midair (pretty much anticipating your evading attempt).
  • Slippy-Slidey Ice World: The first half of his stage is set in an icy mountain with lots of snowy winds, and the second half is set in a base in said mountain which houses frozen robots.
  • Smart Bomb: Charged Frost Tower summons a lot of big falling ice chunks that can potentially fill the whole screen.
  • Sociopathic Soldier: He was already dangerously sociopathic before joining the Repliforce.
  • Stock Animal Behavior: Slides around like a walrus would.
  • Sword Plant: Zero's acquired move, used with a big icicle.
  • Weak to Fire: As an ice-based boss, he doesn't take too well to Rising Fire or Ryuenjin, taking extra damage and even catching fire when hit by them.
  • Wily Walrus: A gigantic walrus who looks down on the weak and loves rampaging around.

    Jet Stingray (Jet Stingren) 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_jet_stingray_2175.jpg
Aqua Destroyer
"Hmph. I can’t believe I've been followed… But this is as far as it goes. Here I come, X!"
A stingray-based Reploid and member of Reploid Navy. Jet Stingray worked his way up the ranks to become a member of the Repliforce's navy. He had great respect for both General and Colonel. When the Repliforce started their coup d'état, Stingray attacked a city's underground power station to draw attraction from the Maverick Hunters.
Weapon: Ground Hunter/Hienkyaku
Weakness: Frost Tower/Hyouretsuzan
Voiced by: Osamu Hosoi (JP)

  • A Father to His Men: In the X4 manga, Stingray clearly cares about his subordinates serving under him, telling them to withdraw and retreat so he can fight Zero alone, who came to confront Stingray after he blew up a city power plant as a diversion. When Stingray and Zero are nearing the end of their battle, his men interrupt them, having rode in with Ride Chasers to help their boss. Before they can, though, they (and Stingray) are all blasted in a surprise attack from the Reploid Self-Defense Forces, who had come to stop Repliforce's coup. Stingray is clearly anguished over seeing his men blasted to oblivion, and he laments their deaths before succumbing to his own wounds from the blasts and perishing as well.
  • Airborne Mook/Aquatic Mook: He is able to fly, as well as move underwater unimpeded.
  • Arm Cannon: Used for the Weapons That Suck below.
  • Attack Drone: The Ground Hunter.
  • Authority Equals Asskicking: A high ranking member of the Repliforce Navy and a powerful combatant in his own right.
  • Auto-Scrolling Level: Both parts of the level have you speeding on a Ride Chaser that automatically goes forward. Getting squished by the obstacles and the left edge of the screen will kill you.
  • Badass Boast: Says this to X/Zero as one of his intro Boss Banters. This is only exclusive to the Japanese release.
    Jet Stingray: "Farewell! A sea grave awaits you!"
  • Desperation Attack: Two of them. The first has him suck you near him with a whirlpool, and charges at you if you get too close. The second has him fly offscreen, then fly vertically into you from top and bottom.
  • Fish People: He is a stingray robot, which technically still counts since stingrays are fish.
  • Flying Seafood Special: A flying stingray Reploid.
  • Flunky Boss: He sends out his Ground Hunter stingray drones to harass X or Zero.
  • "Get Back Here!" Boss: The second half of the level is spent trying to stop him while you ride on the Ride Chaser.
  • Hidden Depths: X4's manga adaptation shows him destroying the city mentioned above. He also had his Repliforce troops evacuate the city of humans beforehand, which was not mentioned in the game. Jet is clearly saddened at the destruction, making it a case of I Did What I Had to Do.
  • Hero-Worshipper: The manga reveals that the Colonel once saved Stingray's life by taking a blast meant for him during a Repliforce mission, which made Stingray have the utmost respect for him. It also formed the core of his Undying Loyalty to General and Colonel, as he views them both as the standard by which he set himself as a career military fighter.
  • Increasingly Lethal Enemy: If his Ground Hunter drones aren't destroyed, they'll collect on the arena floor and swarm back and forth. If you're not careful or fast enough, X and Zero will get shredded by a few dozen of them running around on the arena floor.
  • Land, Sea, Sky: Representing Sea (Repliforce's Navy).
  • Leg Cannon: He apparently shoots his Ground Hunter from his leg.
  • Logical Weakness: He likes being in water and thus he gets frozen easily. Also, the Frost Tower literally creates a large, tough block of ice, which naturally presents a problem to someone who attacks by launching themselves around at a high speed.
  • Making a Splash: His whirlpool attack.
  • Nice Hat: Along with Storm Owl and Web Spider.
  • Player-Guided Missile: Ground Hunter can be commanded to fall down quicker to the ground after being fired. Charged version is a variant: by pressing up or down as it goes, the enhanced projectile can fire smaller Ground Hunters up or down.
  • Ramming Always Works: Several of his attacks consist of charging at X or Zero.
  • Underwater Boss Battle: Only half the time, however.
  • Undying Loyalty: Jet Stingray had great respect for both General and Colonel, so when General announced his move for Reploid independence there were no question to where his loyalties lay.
  • Videogame Dashing: Zero's acquired "technique" is a mid-air dash similar to Stingray's flying dashes.
  • Weapons That Suck: He can create a whirlpool to suck X or Zero towards him.

    Magma Dragoon (Magmard Dragoon) 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_magma_dragoon_4062.jpg
Martial Artist of Exploding Flame
"That’s right! Get mad, X! Show me your true power!"
A Japanese dragon-based Reploid. He was a member of the 14th Special Unit until he betrayed the Maverick Hunters, becoming a Maverick himself, all for a chance to duel with X and Zero. Under the promise of obtaining what he desired most, he followed Sigma's orders and sabotaged the power generator of the floating colony.
Weapon: Rising Fire/Ryuenjin
Weakness: Double Cyclone/Raijingeki
Voiced by: Takashi Nagasako (JP)

  • An Offer You Can't Refuse: He was offered a chance to fight X and Zero in exchange of blowing up the Sky Lagoon. Guess who made the offer.
  • * Big Ol' Eyebrows
  • Blood Knight: He destroyed the Sky Lagoon and killed thousands of innocent people just so that he could fight X and Zero!
  • Breath Weapon: His Rising Fire lodged in his mouth, which fires a stream of fireballs from his mouth.
  • The Cameo: A digitized, toned down version appears as the Training Mode boss in X5.
  • Calling Your Attacks: Whenever he uses Hadouken or Shoryuken, he'll call out "Hadouken!" and "Shoryuken!" respectively.
  • Death Equals Redemption: Zig-Zagged. His Final Speech invoked this, but he was still rebuilt in the Final Weapon and once again fights X/Zero (though given the entry for Came Back Wrong, what you're fighting is probably just a shell).
  • Death from Above: His Desperation Attack is firing many fireballs to the sky and then they fall down like meteors.
  • Diving Kick: Uses one covered in fire to attack X or Zero. It's based off Akuma's Tenmakujinkyaku.
  • Draconic Humanoid: A humanoid dragon Reploid.
  • Expy: He serves as one for Akuma. Both of them have a Blood Knight nature, have necklaces of large beads around their necks, have "Heavenly Sky" symbols, and perform similar attacks such as the Hadouken, Shoryuken, Tenmakujinkyaku, and Tenma Gou Zankuu.
  • Face–Heel Turn: As mentioned, he was a member of the 14th Special Unit before Sigma offered him to destroy the Sky Lagoon and betray the Hunters.
  • Fallen Hero: Was once a Maverick Hunter until Sigma showed up gave him an offer he can't simply refuse.
  • False Friend: When X/Zero first meet him, he frantically tells them the Sky Lagoon's systems have been destroyed and they need to get out while they still can. Sounds nice of him...until he gleefully reveals later that not only was he the one who destroyed said systems (in fact, the way it's framed seems to indicate they reached just as he was finishing up) but the entire reason he wanted them out was because otherwise he wouldn't get his reward for doing so if they died in the crashing.
  • Final Speech: Notable for being the only standard-8-animals-Maverick boss to have one. This extends to the Zero series, too: Technically, none of the bosses you fight there are "Maverick".
  • Fireballs: He can create one, then throw it into the magma pool of the sides of his arena to create a geyser of lava. This also conveniently can prevent you from (at least as X) unleashing Charge Shots while using Wall Jump on the side of his arena to avoid getting pummeled in close quarters.
  • Guttural Growler: His voice is really raspy.
  • Half the Man He Used to Be: During his Final Speech, only his upper body remains intact. It quickly goes with the rest of him once he says his piece.
  • Instant Awesome: Just Add Dragons!: The second dragon boss in the game and he leaves quite an impact on the story.
  • Kamehame Hadouken: Attacks with fiery hadoukens, high and low.
  • Lethal Lava Land: He hides himself in a volcano, and you have to chase him there.
  • Lava Pit: His battlefield is a small island surrounded by lava on both sides.
  • Lightning Bruiser: Strong, tough and fast enough to deliver heavy-hitting Spam Attacks!
  • Logical Weakness: Wind blows away fire.
  • The Mole: It's not clear for how long he was being influenced by Sigma, but it was definitely before the fateful events of the Sky Lagoon incident.
  • Ninja Pirate Zombie Robot: A fiery dragon martial artist robot.
  • Not Brainwashed: Possibly. We're never told if Sigma infected him with the Maverick Virus, or whether he was just manipulated by Sigma appealing to his Blood Knight nature.
  • The Only One Allowed to Defeat You: Says this word for word against X/Zero before the boss fight in the Japanese version.
    Magma Dragoon: "This time, I'll win against you!"
  • Our Dragons Are Different: Here, we have a robot dragon martial artist who betrayed his teammates out of sheer desire to fight.
  • Playing with Fire: Fights exclusively with fire based attacks. Even all his martial arts moves have flames covered on them! Ties into Magma Man with the aforementioned lava geyser attack.
  • Rewarded as a Traitor Deserves: Betrayed the Maverick/Irregular Hunters and the game itself heavily enforces the player to fight him first (due to the Ride Armor and the fact that his weapons are useful). Further, he's even made into a training dummy in X5.
  • The Social Darwinist: One of his intro Boss Banters in the Japanese version implies that he believes in this.
    Magma Dragoon: "Power is everything!"
  • Shoryuken: One of his moves, which can knock you off the wall easily if you tried to cling to it to avoid his attacks. Zero's Ryuenjin is based on this. X's charged Rising Fire also becomes this.
  • Shotoclone: And a pretty blatant one at that.
  • Turn Coat: See his bio above.
  • Utility Weapon: Rising Fire/Ryuenjin can burn down wood and ice, allowing the player to uncover Heart Tanks.
  • Warm-Up Boss: X and Zero can enter the fight in a Ride Armor, which severely limits his challenge. This does not apply to the rematch against him at the end of the game, but by then the player definitely has his weakness.
  • Worth It: If playing as X, his Final Speech has him tell X that the evil he committed to incite the fight (and subsequent death) "was worth it...for a final duel..."

    Slash Beast (Slash Beastleo) 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_slash_beast_7813.jpg
Steel King of Destruction
"You’re quite the lively one, attacking my unit. Looks like I can have some fun for the first time in a while!"
A lion-based Reploid and the captain of the Reploid Army who enlisted in Repliforce only to freely exercise his combat abilities, but despite this attitude he showed dauntless courage in battle, fearing no one. During the coup, Slash Beast was put in charge of guarding Repliforce's military supply train.
Weapon: Twin Slasher/Shippuuga
Weakness: Ground Hunter/Raijingeki
Voiced by: Takashi Nagasako (JP)

  • Ain't Too Proud to Beg: In the X4 manga, Beast is confronted by X in his train headquarters during the Repliforce coup d'etat. He charges confidently at X to attack, who has just received an upgrade with the Ultimate Armor. The next time we see him, he has been utterly blown to smithereens, and according to X, begged for his life before his death.
  • Authority Equals Asskicking: Slash is in charge of the unit protecting Repliforce's supply train, and is a far better fighter than the rest of his unit.
  • Bad Boss: In the X4 manga, Beast savagely kills one of his Repliforce underlings in anger after he reported to Beast that one of their trains had been lost to the Maverick Hunters, one of whom was stronger than they thought, referring to Zero.
  • Blood Knight: Slash enlisted in Repliforce only to freely exercise his combat ability. In the Japanese version, he even says something like this before the boss fight.
    Slash Beast: "Hey, kid! I hope you'll entertain me for a while!"
    Slash Beast: "I'm so happy! It's been a while since the last time I fought!"
  • Boisterous Bruiser: He excels in combat techniques, and is proud of his abilities.
  • Counter-Attack: When his health is below half, he can sometimes prepare a special stance; attack him and he'll retaliate with the Twin Slasher.
  • Deadly Lunge: Has a powerful lunging attack that goes back and forth that he uses once his health go below half. Zero's Shippuuga is based on this. Also see Desperation Attack below.
  • Desperation Attack: Two of them. The first is the above-mentioned Counter-Attack. The second one has him lunge at X/Zero, if this connects, he then grabs the player and smashes them into the wall.
  • Death from Above: Has a stomping attack after jumping high.
  • Dynamic Entry: He shows up Racing the Train X/Zero is on, jumping up and then destroying the crate in front of them upon landing.
  • King of Beasts: He is a lion-based Reploid in charge of a military unit.
  • Land, Sea, Sky: Representing Land (Repliforce's Army).
  • Lightning Bruiser: His attacks hurt if you're hit and is also fast enough to catch up with a train.
  • Locomotive Level: His stage is set on his military train that is carrying supplies.
  • Logical Weakness: A fighter who is fast on his feet will get tripped by a ground projectile; he probably won't see it coming.
  • Lost in Translation: He is a lion, but the English version cutting the "leo" out of his name makes him an Ambiguous Species instead.
  • Racing the Train: His battle intro when you first fight him.
  • Razor Wind: His flash kick causes waves of energy to be shot out.
  • Roar Before Attacking: Tends to do this often before executing an attack.
  • Shout-Out: Uses a move similar to Guile's Flash kick.
  • See You in Hell: In the Japanese version of X4, this is one of Beast's pre-battle quotes.
    Slash Beast: "I'll send you to Hell on the super express!"
  • Spread Shot: Twin Slasher is shot out to 2 directions. If charged, it fires 8 shots that covers a wider area.
  • Stock Animal Behavior: Roaring before attacking. Also, his desperation attack has him grab the player in his mouth.
  • Utility Weapon: A charged Twin Slasher is the only way to remove the blocks in front of the Body Armor capsule.
  • Wolverine Claws: Uses them as a Desperation Attack. It can be shattered by Ground Hunter, robbing him of most of his moves.

    Split Mushroom 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_split_mushroom_8456.jpg
Little Devil of the Ruins
"You must be quite strong to get all the way here! I love fighting strong people!"
A mushroom-based Reploid, he was once in charge of operations at a bio laboratory, but when the lab was decommissioned he was disposed of. During the great Repliforce war, Mushroom was resurrected by someone (presumably Sigma) as a Maverick. He turned the abandoned lab into a stronghold, and attacked anyone who entered for his own amusement. His activity gained the attention of the Maverick Hunters, and he was ordered to destroy X and Zero.
Weapon: Soul Body/Kuuenbu and Kuuenzan
Weakness: Lightning Web/Raijingeki
Voiced by: Mari Maruta (JP)

  • Abandoned Laboratory: His stage is set in a decommissioned ruins of the laboratory he is stationed in, filled with traps and multiple robotic plants.
  • Desperation Attack: Does a head slam into the ground and releases deadly spores.
  • Doppelgänger Attack: He can create a fully-similar clone of himself (as opposed to a Hard Light) that he'll use to confuse the player. X's charged Soul Body does a similar thing, only that it creates an unarmored X that moves independently (but restricted to the screen) while the real X is invincible (but immovable) the whole time.
  • Everything's Better with Spinning: Several of his attacks involve him spinning around.
  • Expy: Of Gemini Man due to his ability to duplicate his body.
  • Hard Light: Can create holographic clones that hurt. X's uncharged Soul Body does the similar thing, with it destroying enemies just by collision. They can be dispersed in one hit if struck by his weakness.
  • Mushroom Man: The only fungus-based maverick in the entire series.
  • Pintsized Powerhouse: Don't let his size fool you. He can be a real pain in the ass.
  • Psychopathic Manchild: Split Mushroom enjoys make-believe and is actually playing Superhero in the Japanese version, thinking of X/Zero as villains. This aspect is not present in the English one due to the removal of certain spoken lines.
    Split Mushroom: "Hurry up and let's play!"
    Split Mushroom: "Let's play "hero"! You're the "bad guy", okay?"
  • Rolling Attack: Zero's weapon, based off of his midair rolling.
  • The Social Darwinist: The Japanese version outright stated that he doesn't need "weak friends".
  • Use Your Head: His Desperation Attack causes him to land on the ground headfirst and emit dangerous spores.
  • Wall Crawl: More like wall-cling, but still.
  • X-Ray Sparks: When electrocuted. If he is summoned his full clone when it happens, the clone will also act like it's been shocked.

    Storm Owl (Storm Fukuroul) 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_storm_owl_5778.jpg
Staff Chief of the Skies
"You’ve really, REALLY turned my unit to scrap, huh? I’ll return the favor in kind!"
A horned owl-based Reploid and one of the Repliforce's most resourceful generals. Storm Owl regarded the entire staff as family and was extremely resentful when he and his associates were branded as Mavericks by the Hunters. After the Repliforce coup began, he launched the air brigade of hammerhead shark-shaped airship to divert the Maverick Hunters' attention.
Weapon: Double Cyclone/Tenkuuha
Weakness: Aiming Laser/Rakuhouha
Voiced by: Kazuo Oka (JP)

    Web Spider (Web Spidus) 
https://static.tvtropes.org/pmwiki/pub/images/x4_-_web_spider_578.jpg
Guerrilla Commander of the Jungle
"How dare you branded us Mavericks! I won't let you pass! If you value your life, leave!"
An orb-weaver spider-based Reploid. Spider was formerly a member of 0th Special Unit who works for Repliforce as commander of their guerrilla unit. When Repliforce began their coup he remained loyal and was stationed in the jungle charged with guarding a powerful beam cannon hidden there.
Weapon: Lightning Web/Raijingeki
Weakness: Twin Slasher/Ryuenjin
Voiced by: Issei Futamata (JP)

  • Adaptational Villainy: He is much more evil and villainous in the X4 manga. Just like in the game, he is stationed in the jungle guarding Repliforce's giant beam cannon weapon. However, he is planning on using it to burn down a nearby city and kill the humans residing there, and he ruthlessly slaughters a group of Maverick Hunters who went to investigate the weapon before X shows up and puts him down.
  • Alas, Poor Villain: In the X4 manga, a dying Spider laments about how he feels that meaningless battles between Reploids and humans, as well as among Reploids themselves, will never end. He explains he went along with Repliforce's coup because he didn't want Reploids to be doomed as "mechanical puppets" wandering in an "endless hell". It is hard to not feel sympathy towards him.
  • All Webbed Up: Getting hit by his electrical webs makes X/Zero get caught in them and take continuous damage.
  • Authority Equals Asskicking: The commander of Repliforce's guerrilla unit and quite the competent fighter.
  • Big Creepy-Crawlies: He is a human-sized spider Reploid.
  • Big "NO!": If the Twin Slasher is used to cut off the web he is hanging on.
  • Desperation Attack: Creates a giant web network and starts moving around it, while attacking and sending out small spider drones.
  • Elemental Barrier: Like Storm Owl, he puts up an electric barrier whenever he is hit that blocks shots.
  • Evil Cannot Comprehend Good: While not outright evil, he would ask X/Zero why "he doesn't know when to quit" if his health is low in the Japanese version.
    Web Spider: "You just don't know when to quit, do you?"
  • Expy: of Bospider, the first fortress boss of first game, as they both frequently disappear off the top of the screen and attack by creating numerous small spider bots. Also of Search Man for his guerrilla theme.
  • Flunky Boss: When low on health, he can send out small spiders to attack X or Zero.
  • Giant Spider: He is a human-sized spider Reploid.
  • High-Class Glass: Like Storm Owl, he appears to have a monocle on his eye, although it could be more of a targeting device.
  • Impaled with Extreme Prejudice: Zero's weapon.
  • Jungle Japes: The first half of his stage is set around the jungle's rivers, while the second part is in the deeper woods, with lots of robot snakes, bees and spiders.
  • Logical Weakness: In X's case at least. That little eletrified string of web he hangs from can easily be severed by a cleanly aimed Twin Slasher. Averted in Zero's case, as that weakness won't hit the string.
  • Nice Hat: Along with Jet Stingray and Storm Owl.
  • Outside-the-Box Tactic: X can use the Twin Slasher to cut the web he is hanging from, causing him to fall to the ground for heavy damage.
    • Logical Weakness: No web is very useful if it gets shredded to pieces. Zigzagged somewhat, though, since only one cutting weapon can be used against it, even if there are others (see: Zero's own Z-Saber).
  • Remember the New Guy?: He used to be a Maverick Hunter and he and Zero personally know each other, yet this is the first time that we actually meet him.
  • Shock and Awe: His weapon is a web of electricity.
  • Spread Shot: Charged Lightning Web spreads out to 8 directions after its initial projectile stops.
  • Stock Animal Behavior: At low health, he sticks in a giant web and moves around it. Also hanging off of a string of (electric) web.
  • Turn Coat: He used to be Maverick Hunter but he transferred into Repliforce some time before this game.
  • Undying Loyalty: To Repliforce, unsurprisingly. He even told Zero that he refused to call off the coup d'état because "he knew where his loyalties lie".
  • Utility Weapon: Lightning Web can provide a temporary wall for a Wall Jump.
  • Warmup Boss: He has very simple patterns, and can be easily beaten without his weakness; good for a starting boss. He does, however, has a homing attack (his own Lightning Web) that actually hurts, which can shock beginners who don't know what to expect.
  • We Used to Be Friends: With Zero, judging by their intro dialogue.
  • You Shall Not Pass!: His intro dialogue against X and his intro Boss Banter in the Japanese version suggests this.
    Web Spider: "I cannot allow you to go through!"

Mega Man X5 Mavericks

    General 
  • Named After Somebody Famous: Their initial English names are based off Guns N' Roses, save Skiver who is named after Michael "High in the Sky" Monroe (a temporary partner of the band used in concerts). For 17 years, the Japanese names were more or less left alone in the instruction manual. With the release of the Mega Man X Legacy Collections, all of the English names were changed to keep in line with the Maverick naming tradition. Thus, the original English names will be the ones listed in parenthesis.
  • Suicide by Cop: Most of them (except for Dark Necrobat, Spike Rosered and arguably Burn Dinorex) got recently infected with the Sigma Virus, and they ask X/Zero to destroy them/have one last good fight before they go mindless.

    Burn Dinorex (Mattrex) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_burn_dinorex_8990.jpg
Jurassic Inferno
"Let’s fight and enjoy ourselves! Just like we always do!"
A Tyrannosaurus-based Reploid and a member of Repliforce's disaster prevention team, and is among the survivors of the Repliforce incident in X4. He was stationed in Sunhouse Mountain, a volcano situated in Kenya, and without Repliforce's knowledge, had created an illegal warehouse to hide weapons he had created using magma energy. The Hunters are visiting him for the booster engine he has among his possessions for the shuttle project.
Weapon: Ground Fire / Quake Blazer (Danchien)
Weakness: Wing Spiral / W-Shredder (Shipuu)

    Crescent Grizzly (Grizzly Slash) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_crescent_grizzly_4635.jpg
Rampaging Iron Claw
"I'm already being taken over by the virus… It's just a matter of time before I go Maverick. It's my fate to have a duel with you… please, fight me while I still have my wits! I don't want to kill you when I've lost all of my consciousness!"
A grizzly-bear based Reploid. An arms broker who resides in his secret weapon warehouse situated in northern Russia, he made a living by battling strong Reploids and seizing their weapons, then selling those weapons on the black market. He felt this was his purpose in life, though recently it has been keeping him busy. Despite selling weapons to the black market, Grizzly seems to not like violence, saying that he is just an arms broker and that both Mavericks and Maverick Hunters are the same; both are too violent and overconfident. His right eye was scarred during an earlier battle with Zero. Grizzly possesses the Crystal Ball of Orichalcum necessary for the Enigma Cannon the Maverick Hunters are creating to shoot down the space colony Eurasia.
Weapon: C-Shot / C-Sword (Mikazukizan)
Weakness: Spike Ball / Twin Dream (Sogenmu)

  • Arms Dealer: Grizzly sells weapons to the black market after seizing them.
  • Bears Are Bad News: Kind of subverted, he is the easiest boss in the game and he gives a good weapon/technique.
  • Deflector Shields: Somewhat; charged C-shot covers X in 2 rings of energy that blocks enemy shots and damages enemies by touching them.
  • Desperation Attack: Shoots out 2 large crescent waves of energy.
  • Dig Attack: When his health drops to 2/3, he'll go on a rampage and tunnels into the ground, periodically appearing either from above to drop down on the player, from below with a drill sticking out, or from the background where he swipes with his claw.
  • Good Scars, Evil Scars: Has a scar going down his right eye after a past battle with Zero.
  • Husky Russkie: An unusually large bear-based Reploid who resides in Russia.
  • Locomotive Level: In a variant, his stage is set on multiple cargo trucks that are moving towards his hideout in a cavern.
  • Mighty Glacier: He is still pretty slow even when he Turns Red. That side, his big claw is nothing to laugh at.
  • Monstrosity Equals Weakness: He is one of the biggest mavericks in the game and yet is one of the easier, if not easiest fights.
  • Noodle Incident: When playing as Zero.
    Crescent Grizzly: "Zero! My scars ache at the sight of you…"
    Zero: "You should hurry up and get that fixed."
  • Red Right Hand: More like a Red Left Hand, but worth qualify.
  • Rolling Attack: Zero's weapon, along with a Double Jump like Kuuenzan before it.
  • Sword Beam: More like Claw Beam. It's the basis for the weapon/technique from him.
  • This Is a Drill: One of the functions of his red left hand.
  • Utility Weapon: His weapons are the only thing that can destroy the plasma ball generators in Shining Firefly's stage, one of which leads to Dr. Light's capsule.
  • Warmup Boss: The best boss to start the game with, since he is much, much easier than his contemporaries.
  • You Can't Fight Fate: Believes this to be the case.

    Dark Necrobat (Dark Dizzy) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_dark_necrobat_9972.jpg
Forgotten Soldier of Darkness
"Keke! That's none of my concern at all, right? At this rate, me, you, the Mavericks, everyone will be dead. Kekeke! I’ll start the death toll with you!"
A vampire bat-based Reploid created by Sigma three years prior to the events of Mega Man X5. However, he fled from Sigma when he saw an opportunity. Having judged that Necrobat was not a particularly strong warrior, Sigma let him go and eventually forgot about him. Eventually, Necrobat took refuge in a planetarium located somewhere in Sudan and guarded the fuel tanks that our heroes needed for the Shuttle.
Weapon: Dark Hold (both characters)
Weakness: F-Laser / C-Flasher (Messenkou)

    Shining Firefly (Shining Hotarunicus/Izzy Glow) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_shining_firefly_5393.jpg
Radiance of Intelligence
"This body of mine... has already infected by the "poison"... I'm well aware that what I'm saying is wrong. At the very least... allow me to go out on my own terms. This is the end... put me at peace."
A reclusive firefly-based Reploid scientist and the world's leading researcher in laser technology who resides in his lab near the Kuril Islands. He rarely allowed any of his work to see the light of day, out of fear that they would be used to create weapons. X and Zero have to take the laser device from him for the Enigma laser cannon.
Weapon: F-Laser / C-Flasher (Messenkou)
Weakness: Tri-Thunder / E-Blade (Denjin)

    Spike Rosered (Axl the Red) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_spike_rosered_2975.jpg
Scarlet Witchcraft
"Hey, hey… You’re in for it now! I’ll do anything to win! Game time!"
A rose-based Reploid, his creation is actually the result of a freak mutation between a Reploid, the nature control unit in the thick jungle of Ukraine and the Sigma Virus. Since there is a high chance that mutated Reploids like him will be Maverick, he has the potential to pose as a new threat instead of the virus. Rosered took refuge in an abandoned Repliforce base situated somewhere in Ukraine, where the Maverick Hunters headed to pick up an orbiter engine for the shuttle they were working on to take out Eurasia.
Weapon: Spike Ball / Twin Dream (Sogenmu)
Weakness: Ground Fire / Quake Blazer (Danchien)

    Spiral Pegasus (Spiral Pegacion/The Skiver) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_spiral_pegasus_9220.jpg
Air Force Prince
"Here, the remnants of the Repliforce are seeing their last days… To be honest, all I can do now is entrusting everything to you… But, you’ll need to convince me that you’re the man for the job… through battle!"
A pegasus-based Reploid who was a young and passionate director of the Repliforce air brigade, and he greatly looked up to Colonel. Occasionally his youth and enthusiasm caused him to make mistakes. During the massive outbreak of the Sigma Virus, the Maverick Hunters come to Pegasus for an Orbital Wing he possesses. However, since he still has unresolved issues towards the deaths of Colonel and Iris and he is in the beginning stages of going Maverick, he refuses to give the Maverick Hunter an Orbital Wing and asks them to be taken out in duel.
Weapon: Wing Spiral / W-Shredder (Shipuu)
Weakness: Dark Hold

    Tidal Whale (Tidal Makkoeen/Duff McWhalen) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_tidal_whale_8223.jpg
Guardian Deity of the Oceans
"X, my boy… I'm a man of the sea… And I won't give the ocean freely. I understand I'm acting like a fool. I just wanted to have a fight with you, like a man!"
A whale-based Reploid who was a great lover of the ocean, and served as both the curator of an oceanic museum and the commander of a maritime garrison. His great sense of responsibility for the ocean even brought him to frequent arguments with the Repliforce Navy. Whale guards the ocean (mainly the North Atlantic), which is needed to produce the Hydrogen necessary for the Enigma laser cannon. During the Sigma Virus outbreak incident, X and Zero approached Whale for access to the ocean so they could extract its hydrogen. Having already been infected with the virus, Whale asked them to battle him as a final request.
Weapon: Goo (Gel) Shaver / F-Splasher (Hisuisho)
Weakness: C-Shot / C-Sword (Mikazukizan)

  • Advancing Wall of Doom: He creates a pattern of ice blocks that pushes the player. Later, his ice blocks push you towards a spiked wall.
  • Animals Not to Scale: As noted from the interviews from the developers, he (a whale) looks smaller than Frost Walrus.
  • Aquatic Mook: Is fought underwater, being a whale.
  • Authority Equals Asskicking: He is both the strongest and the leader of his navy.
  • Dash Attack: Zero's F-Splasher modifies his air dash into a damaging one.
  • Desperation Attack: He goes to the other side of the screen, and now his ice blocks push you into a spiked wall of instant death.
  • Fish People: Whale person, specifically.
  • An Ice Whale
  • Jurisdiction Friction: As the captain of a maritime security force, he and Repliforce's Navy would often get into disputes due to his own headstrong nature having him charge into crises without a second thought.
  • Large and in Charge: Of his maritime garrison as well as the Reploid museum.
  • Marathon Boss: Even his weakness weapon only do slightly more damage than X's full charge shot. Combined with how his ice blocks push you away, the fight with him is going to be longer than others. C-Shot's charged version, at least, speeds up the process.
  • Mighty Glacier
  • Smart Bomb: Somewhat similarly to charged Sonic Slicer, charged Goo Shaver fires off many ice blocks upward which then fall to the ground, covering a large area.
  • Under the Sea: The whole stage is set in the seas, where you fight a submarine called U-555; you destroy its front, then its "tailfin" and then its top, all filled with cannons. The middle part of the stage also explores a ship wreckage.
  • Underwater Boss Battle
  • Utility Weapon: His weapon is used to hit the bomb beyond a small gap that blows up the barrier blocking you from the Dr. Light capsule.

    Volt Kraken (Squid Adler) 
https://static.tvtropes.org/pmwiki/pub/images/x5_-_volt_kraken_8163.jpg
Super Electromagnetic Trap
"You're always so pushy… I’m glad I resigned my position as a Hunter. I don't want to be rude too."
A giant squid/kraken-based Reploid. A while back, Kraken was a Maverick Hunter and worked in the 6th Naval Unit. He was a friend/relative of Launch Octopus. However, after doubting the purpose of his duties as a Maverick Hunter, he resigned and later began research at an energy engineering facility near the Korea Strait. During the Sigma Virus outbreak, he was approached for his energy cartridge to use to complete the Enigma cannon. He was willing to hand it over, but turned completely Maverick at that very moment.
Weapon: Tri-Thunder / E-Blade (Denjin)
Weakness: Goo (Gel) Shaver / F-Splasher (Hisuisho)

  • Airborne Mook: He is always seen flying in battle, and only touches the ground when he uses his ground pound attack.
  • Combat Tentacles
  • Defector from Decadence: He resigned from the Maverick Hunters because he was starting to disagree with what they were doing, devoting himself to energy research as a more "peaceful" lifestyle.
  • Desperation Attack: Extends his tentacles to fire out a barrage of wall-crawling electricity.
  • Diabolus ex Machina: He got infected by the Maverick virus on the spot when talking to X/Zero.
  • Fish People: More of a squid person, but being a squid robot makes him one.
  • Flying Seafood Special: and he likes to fly near you too!
  • Ground Punch: He can electrify the floor by doing this.
  • Logical Weakness: Water can short-circuit electrical currents. Somewhat inverted, however, in that you wouldn't expect an airborne boss to be weak to the weapon that travels along the ground.
  • Personal Space Invader: Once Kraken loses some of his health, he begins to chase his opponent to cause contact damage.
  • Shock and Awe: Kraken utilizes electric-based attacks in combat.
  • Shoryuken: Zero's acquired technique, the E-Blade.
  • Spread Shot: Tri-Thunder goes forward, upward and downward each shot.
  • Temporary Platform: He can create a floating cube in his boss fight, that interacts with his electric shots. He can also make an electrified floating cube.
  • Tragic Monster: The only Maverick where you actually see the Virus take him over. He was actually willing to deal with you peacefully before that.
  • X-Ray Sparks: if he's hit by his Weakness.
  • You Killed My Father: Actually subverted, his brother/friend Launch Octopus was destroyed by the Maverick Hunters, but he doesn't hold it against them. In fact, he says that doing so was part of the Maverick Hunters' duty. Once the Sigma Virus takes him completely, though, it becomes a double subversion, with Kraken screaming at X about how he intends to avenge Launch Octopus.

Mega Man X6 Mavericks

    General 
  • Back from the Dead: They've been mentioned as being dead long before the events in the game, and they're revived by Gate.
  • Calling Your Attacks: Some of them yell out attack names, like Commander Yammark's FORMATION!, Metal Shark Player's various summons, and more famously Blaze Heatnix's MAGMA STREAM! and GOD BIRD!
  • Make It Look Like an Accident: Most of them were retired under sabotaged incidents or labeled as Mavericks and are killed on the spot.
  • Undying Loyalty: Majority of them are loyal to Gate.
  • Utility Weapon: Most of their weapons are useful against the Nightmare Phenomenons that occur after you exit/finish their stages. For example, Magma Blade vs. the falling fireballs or Metal Anchor vs. the moving iron blocks.
  • Woobie, Destroyer of Worlds: Most of them were retired without them doing anything wrong to justify it, beyond their really high specs. Especially for Turtloid and Sheldon. Granted, Heatnix and and Mijinion are quite assholes and Player's actions are questionably ethical, but still.

    Blaze Heatnix 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_blaze_heatnix_7232.jpg
"Brainwashing Reploids is lame, don't you think? Let's just fight to see who comes out on top!"
An arrogant phoenix-based Reploid who was specifically created to withstand extremely hot temperatures to search out for subterranean hotspot. Heatnix later become a member of a diaster relief team that was formed to minimize damage from an active chains of volcanoes. However, because Heatnix was so much more powerful than the other members, he would ignore his coworkers (seeing them as weak and useless) in dangerous situations, disregard them if they ran into danger, resulting in those who fell behind to die. As a result, Heatnix was eventually disposed of for his behavior. Gate later revived him to use him in the Nightmare investigation, and sent him to the magma area.
Weapon: Magma Blade/Shoenzan
Weakness: Ground Dash/Sentsuizan
Voiced by: Shin-ichiro Miki (JP)

  • Airborne Mook: He is always seen flying.
  • Awesome Mc Coolname: His name is definitely among the cooler fire boss names in the series.
  • Blood Knight: He likes being a Maverick and cuts loose on the player.
  • Death from Above: His Nightmare Phenomenon triggers a rain of fireballs, even in Blizzard Wolfang's level.
  • Desperation Attack: He disappears, then flies from one side to the other while covered in massive amount of flames. This is then repeated in a reversed way.
  • Feathered Fiend: A phoenix-based Reploid, and is an arrogant individual to begin with.
  • Gravity Screw: Can somehow summon purple non-lethal magma (that deals a large amount of damage) from above that stays there.
  • Jerkass: Most of the Investigators have this nature of loyalty or wanting to be left alone, only killed because of spite. The player can have some form of sympathy with them. Heatnix however relishes on his uncaring actions.
  • Lethal Lava Land: Somewhat. It does have spewing flames in the earlier part of the stage, as well as rising lava and later a lava pool, but the theme is downplayed compared to the previous volcano levels.
  • Logical Weakness: Earth can be used to douse fire. In spite of there having water-based and ice-based weapons.
  • Marathon Level: The stage will take long as you're going to fight 5 of 6 minibosses on the stage before you fight him.
  • Might Makes Right: His mentality.
  • Not Helping Your Case: Before Heatnix was revived by his creator, Gate's jealous colleagues were already looking for anything they could use against him. Heatnix's cocky attitude did not help matters then.
  • The Phoenix: He's got the bird features and the Playing with Fire powers. About the only thing he doesn't have is Resurrective Immortality.
  • Playing with Fire: Heatnix utilizes flame-based attack in combat.
  • Shoulders of Doom
  • Smart Bomb: Charged Magma Blade summons a lot of flying fire projectiles from behind X that covers much of the screen.
  • Smug Super: He was very aware he was the most powerful member of his squad and viewed the rest of them as weak burdens at best for it. Unfortunately, his sheer arrogance didn't do him any favors in endearing him to others, especially when it caused problems that costed lives.
  • The Social Darwinist: Was proud enough of his power to view others as weak and worthless in comparison to himself, and when confronted by X and Zero he compliments their strength and expresses a desire to test how they stack up to himself.
  • Winged Humanoid
  • Wreathed in Flames: In his Desperation Attack, though he's already quite burning normally.

    Blizzard Wolfang 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_blizzard_wolfang_8807.jpg
"Forgive me, but you will die here, Maverick Hunter!"
A wolf-based Reploid created by Gate. Wolfang was the leader of an investigation team stationed at the North Pole Area. One day, his team members were attacked by Mavericks and all were killed, except Wolfang, who was able to dispose of all the Mavericks himself. Researchers who opposed Gate took advantage of the incident and schemed to dispose Wolfang, deceiving Alia into throwing him into the cold sea, making it look like an accident. Gate later revives Wolfang, making him part of his Nightmare Investigation team. And was sent to an intense cold area.
Weapon: Ice Burst/Hyoroga
Weakness: Magma Blade/Shoenzan
Voiced by: Hideo Ishikawa (JP)

    Commander Yammark 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_commander_yammark_3048.jpg
"I don't trust both Maverick Hunters and Reploid researchers! I don't know what you're thinking, but I won't end up being betrayed and killed again! I'll get rid of you first!"
A dragonfly-themed Reploid created by Gate to lead an observation team for a nature preservation project and the leader of an ecological observation team. While on duty, Yammark accidentally set a fire that burnt a large portion of the forest. He wasn't accused of the accident, but sometime later, someone sabotages his flight system, leading to a crash that killed him. Due to these factors, Yammark has developed an understandable paranoia and distrust of Reploid researchers, and, for unknown reasons, Maverick Hunters. Gate resurrects him later on to aid in the investigation of the Nightmares, and was sent to the jungle to examine the Nightmare.
Weapon: Yammar Option (both characters)
Weakness: Ray Arrow/Rekkoha
Voiced by: Wataru Takagi (JP)

    Ground Scaravich 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_ground_scaravich_3100.jpg
"My, oh my... if isn't officer X. Why do you even bother coming here? Why do I have to fight someone such as you?"
A dung beetle-themed Reploid treasure hunter who was wanted by the Maverick Hunters for damaging historic ruins. In his work, he discovered a lot of data on ancient robots and Gate assisted him in exchange for this information. When Gate sent Scaravich to a forbidden area (the laboratory where X was discovered), Alia was forced to intercept and dispose of him. Alia felt bad for her action, but Gate appeared to have not care about what happened to him. Scaravich was later resurrected by Gate in X6 as part of his Nightmare Investigation team, and was sent to Central Museum to examine the Nightmare.
Weapon: Ground Dash/Sentsuizan
Weakness: Yammar Option
Voiced by: Takeshi Aono (JP)

    Infinity Mijinion 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_infinity_mijinion_1858.jpg
"You can't be serious! I was still conducting a test on it, and I was planning on using my sweet Illumina to get rid of idiots like you! Now you've done it! I'll kill you, and get a promotion from Gate to boot!"
A water flea-based Reploid created by Gate to test pilot large manned weaponry. Mijinion was often arrogant and hasty, and would completely ignore the testing program, which put many of his associates in peril. Eventually Mijinion was killed in a sabotaged test that was made to look like an accident. Later on, during the Nightmare incident, Gate revived Mijinion as an investigator and sent him to a weapons manufacturing plant. Once there, Mijinion immediately began constructing a massive humanoid robot called Illumina.
Weapon: Ray Arrow/Rekkoha
Weakness: Guard Shell
Voiced by: Wataru Takagi (JP)

  • Airborne Mook: He is always seen flying.
  • Ax-Crazy: A borderline example.
  • Blown Across the Room: If the Guard Shell's reflected projectile (or its charged shots) hits him, he'll be slammed towards the wall and then automatically clone himself. Sometimes X's full charge shot or Zero's Z-Saber combo will send him backwards too.
  • Blackout Basement: Triggering Mijinion's Nightmare Phenomenon would result in X/Zero having to traverse certain levels in the dark.
  • Big Creepy-Crawlies: He is modeled after a water flea.
  • Cool Helmet
  • Doppelgänger Attack: His clones can create a swarm of slowly homing fluorescent surprisingly-durable bubbles.
  • Energy Ball: He can shoot these to 8 directions, or fire them along the ground while many small lasers fall from above. They're the only 2 things he shoots the Guard Shell can reflect.
  • Frickin' Laser Beams: His Ray Arrow.
  • Humongous Mecha: He is in charge of maintaining one, Illumina. He apparently called the mech as "her". The whole stage is spent trying to stop it as it attacks from the background.
  • Hypocritical Humor
    Mijinion: Bah! Those other investigators are worthless fleas!
  • Increasingly Lethal Enemy: He'll clone himself every so often, so if you take too long, it'd be harder to hit him since he'll be hidden within his clones and those bubbles.
  • Informed Species: He looks less like a water flea and more like a little fat man in a spacesuit.
  • Insufferable Genius: Very convinced he was the best there was at what he did. He certainly was smart, but his sheer arrogance caused plenty of problems, especially when he was willing to forgo testing to rush out his works which put people in peril.
  • Mad Scientist: More like Mad Engineer, but close enough.
  • Make It Look Like an Accident: How he was killed off.
  • Marathon Boss: Due to how he flies around the stage, getting easily hidden between his clonesnote , and his Weakness weapon is difficult to use against him, it'll take a good while to defeat him (at least without Ultimate Armor).
  • Nonstandard Character Design: Downplayed; for some reason, all of his sprites are drawn in a profile view, rather than the more traditional 3/4ths view that most other Maverick boss sprites use.
  • Pillar of Light: Charged Ray Arrow summons a bunch of these to cover X. Also used with Zero's Rekkoha.
  • Seldom-Seen Species: He is a water flea. Probably one of the very few instances you'll see one in a video game, much less any form of media.
  • Self-Duplication: He can create duplicates of himself in order to confuse the player and provide extra firepower. These duplicates can also take a decent beating before dying, and if you're not careful it's possible to result in a swarm of them on-screen all at once.
  • Smart Bomb: Zero's Rekkoha.
  • Stock Animal Behavior: Water fleas are known for their Explosive Breeder quality, and Mijinion does something similar here.

    Metal Shark Player (Metalshark Prayer) 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_metal_shark_player_9823.jpg
"Heh heh heh. You have impressive DNA, don't you think? Just for once, I would like to analyze your DNA."
A hammerhead shark-based Reploid created by Gate to work as member of a recycling research team. His job was to oversee the analysis and control of DNA at the facility and was very skilled in his work. Player's abilities in DNA analysis soon led him to experiment in the recreation of Reploids using the DNA of retired Mavericks. Gate still used and encouraged his work despite "DNA Resurrection" being deemed illegal by the government. Player's activities were eventually discovered and he was disposed of as punishment. Gate later revives him as one of his Nightmare Investigators, putting him back in charge of the recycling plant.
Weapon: Metal Anchor/Rakukojin
Weakness: Meteor Rain/Ensuizan
Voiced by: Mugihito (JP)

  • Anchors Away: Player utilizes an anchor as his weapon.
  • Death from Above: He can sometimes fall to the ground head-first to smash X/Zero. Zero's acquired technique takes cues from this.
  • Eternal Engine: His stage is set in a recycling plant with lots of Descending Ceilings that acts as press disposer.
  • Extra-ore-dinary
  • Logical Weakness: This trope is zig-zagged as him being weak to water doesn't make sense when you think that he is a shark, but it does make sense when you think that he uses metal as weapon, and water rusts metal. It is implied that Meteor Rain is actually an acid rain, just like the rain in Rainy Turtloid's stage, which can - and does - kill aquatic lives, as well as corroding metal.
  • Necromancer: He excels in "Reploid DNA Resurrection" and he can create clones from various old Mavericks out of junk. In fact, X can pick up his robo-Necromancy by charging his Metal Anchor to summon a barrage of iron Storm Eagles statues.
  • Shark Fin of Doom: When he swims beneath the junk metals, his sticking out fin could hurt you.
  • Shark Man: A shark-based Reploid.
  • Smart Bomb: Charged Metal Anchor summons falling Storm Eagles that cover the whole screen. Be careful, however, as it leaves X immobile and vulnerable, and the Storm Eagles disappear instantly if he's hit.
  • Temporary Platform: Player's Nightmare Phenomenon.
  • Threatening Shark He is modeled after a hammerhead shark and is a Maverick.

    Rainy Turtloid 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_rainy_turtloid_5236.jpg
"I've been resurrected to carry out a very important task given by my master... He let me live despite the shame I've brought upon his name. That's why...I must complete this task, even if it means risking my life to do it."
An amphibious turtle-based Reploid created by Gate as a member of a water purification team. He was designed to explore areas with high levels of pollution too great for humans and other Reploids to investigate. As such, his defense systems were greatly heightened. However, concerns grew that his defensive capabilities were too great, and the other researchers demanded he be weakened. Gate refused to comply and was punished, and as a result, Rainy Turtloid felt responsible for this, not wanted to continue being a burden to his creator, and take his own life. During the Nightmare incident, Gate resurrected Turtloid as a member of the investigation team and sent him to Inami Temple.
Weapon: Meteor Rain/Ensuizan
Weakness: Ice Burst
Voiced by: Hideo Ishikawa (JP)

  • Animals Not to Scale: What's the biggest Maverick in the series? The bear? The rhino? The mammoth? The whale? Nope, it's the turtle.
  • Attack Its Weak Point: Attack and destroy the two crystals on his back to make him vulnerable. They will regenerate after a while, though, so repeat the process.
  • Badass Back: His in-game sprite always has him facing out of the screen, showing off his large shell. Which also conveniently exposes his main weakpoints.
  • Death from Above: Charged Meteor Rain summons many globs of water from above that can cover most of the screen.
  • Driven to Suicide: Out of concern to his creator getting in trouble due to him otherwise.
  • Hostile Weather: Turtloid's Nightmare Phenomenon is acid rain that gradually whittles down X/Zero's health.
  • I Did What I Had to Do: Even if it costs his life.
  • Large and in Charge: The biggest standard Maverick boss in the series.
  • Logical Weakness: Aside from being water-elemental, his stage is also riddled with rain, making him susceptible to ice attacks.
  • Luckily My Shell Will Protect Me/Heavily Armored Mook
  • Macross Missile Massacre: Turtloid can fire several missiles from the jewels on his back.
  • Making a Splash: Turtloid utilizes water-based attack in combat, although it is only used after he has 1/2 of his health left.
  • Mighty Glacier: Aside for being known for his excellent defense, he has the strength to complement it, but he's pretty slow, being a turtle. This was actually the reason his creator was asked to tone down his defense in the past (which he never did).
  • Rolling Attack: He can retract into his shell, then jut out spikes from the sides, and then roll around the stage, sometimes rolling up the wall and ceiling in higher difficulties. Zero's acquired technique does something similar.
  • Stock Animal Behavior: Retracting into his shell.
  • Super Toughness: X and Zero can't even scratch him until they destroy the two crystals in his back, and that can take awhile unless you use his weakness weapon.
  • Temple of Doom: His stage is a preserved old temple riddled with acid rain.
  • Turtle Power: A massive turtle who boasts some of the most impressive durability of any Reploid out there.
  • Undying Loyalty: To the point he was willing to kill himself just to make sure his boss wouldn't suffer.

    Shield Sheldon (Shieldner Sheldon) 
https://static.tvtropes.org/pmwiki/pub/images/x6_-_shield_sheldon_4235.jpg
"I couldn't do a thing to prevent the professor from going Maverick. I was forced to kill him because of my incompetence as a bodyguard. But I've been granted a second chance... and this time, I'll fulfill my duty without fail. I'll protect him, even if it costs my life!"
A giant clam-based Reploid created by Gate to serve as a bodyguard for important people (mainly chiefs of other research institutes). Sheldon feels he failed in his job as bodyguard when Dr. Jim, a laser researcher he was protecting, went Maverick. Sheldon had no choice but to dispose of Jim, but his actions were misinterpreted by the Maverick Hunters that arrived on the scene and he was charged as a Maverick himself. He could not deal with the stress and shame of the incident deciding to take his own life, believing that he was useless. Gate later revived Sheldon as a member of the Nightmare Investigators and sent him to the laser research institute. Seeing this as a second chance, he tries to fulfill his duty as a bodyguard protecting Gate, even at the costs of his life again.
Weapon: Guard Shell (both characters)
Weakness: Metal Anchor/Rakukojin
Voiced by: Hirotaka Suzuoki (JP)

Mega Man X7 Mavericks

    Flame Hyenard 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_flame_hyenard_4806.jpg
Crazy Warrior Cloaked in Flames
"BURN! BURN TO THE GROUND!"
A hyena-based Reploid who was gone mad due to the Maverick Virus.
Weapon: Circle Blaze (+ Double Bullet)/Bakuenjin
Weakness: Splash Laser/Suiretsusen
Voiced by: Wataru Takagi (JP), Peter von Gomm (EN)

    Ride Boarski (Hellride Inobusky) 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_ride_boarski_3466.jpg
Charging Man
"Oink-wa—! You brat! I oughtta take the likes of you and...!! A duel! Just you and me! Yeah!"
Weapon: Moving Wheel/Zankourin
Weakness: Circle Blaze/Bakuenjin
Voiced by: Tessho Genda (JP), Ryan Drees (EN)

  • Ax-Crazy
  • Bowdlerise: Just look at the first part of his Japanese name. Too much for some, perhaps.
  • Full-Boar Action
  • Hair-Trigger Temper: He has an extremely touchy personality, well-befitting the actual nature of a wild boar. So much that his speech can degenerate to Angrish easily at times. His temper is so out of control, he goes berserk at the drop of a hat, and if given the slightest insult, proceeds to run down the target of his aggression, complete with the added injury of tearing it to ribbons. With his fierce, rebellious attitude, there's absolutely no way of reasoning with him, giving the Maverick Hunters little other option than to do him in.
  • King Mook: Speculated to be related to the Crash Roader enemies. Lampshaded by Zero:
    Zero: Are you guys remnants of the Road Attackers?note 
    Boarski: Argghaa! How dare you group us with those punks! You'll get it for this!
    Zero: Oh, so you must be the Road Riders, then?note 
  • Logical Weakness: Extreme heat can melt typical rubber tires.
  • Mad Bomber: The Highway mission has the Hunters try to disarm the bombs planted by Boarski. In the battle itself, Boarski can throw bombs as he rides around the arena.
  • Names to Run Away from Really Fast: His Japanese name.
  • Stock Animal Behavior: Charging around.
  • Stealth Pun: He is a boar robot who can transform into a motorcycle. He's a hog bike!
  • Transforming Mecha: Boarski can transform into alternate bike-like mode.

    Snipe Anteator (Snipe Ariquick) 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_snipe_anteator_2304.jpg
Keeper of the Electronic Labyrinth
"Hohoh!! Now, I want you to fight like normal. I need to get good data on you, boy!"
Weapon: Sniper Missile/Hieijin
Weakness: Moving Wheel/Zankourin
Voiced by: Mugihito (JP), Barry Gjerde (EN)

    Soldier Stonekong 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_soldier_stonekong_8014.jpg
Strongarm of the Deepest Green
"Now, no more talk! Let our swords speak for us! Only the victors will be viewed as righteous in the eyes of history."
A gorilla-based Reploid who lives in the thick jungle of North Africa, and acts somewhat like a medieval knight. He is one of three Red Alert members who is fully aware that he is being manipulated by "the Professor" (the other two being Red and Tornado Tonion). However, unlike the other two, he doesn't seem to regret being used for evil (something noted by and scolded by Axl), as he only fights for loyalty, not justice.
Weapon: Gaea Shield/Gokumonken
Weakness: Explosion/Hadangeki
Voiced by: Tessho Genda (JP), Walter Roberts (EN)

  • BFS: Stonekong wields a large sword in combat, which he will swing at you if you get too close. It can be easily destroyed by shooting at it or stabbing it if you are playing as Zero.
  • Blood Knight: Stonekong himself says that he only lives to fight.
  • Dishing Out Dirt: He'll conjure up a boulder that splits in two if he clings to the pillar in the center of the boss arena.
  • Graceful Loser: When he loses to you, his last words have him yell "Good job!" (English) or "Migotoda!" (Japanese for "Amazing!")
  • Killer Gorilla: A combat Reploid based on a gorilla, King Kong to be exact, and a fierce and competent fighter as well.
  • Logical Weakness: Even the sturdiest of boulders can easily fall to explosives.
  • Luckily, My Shield Will Protect Me: Somewhat subverted, he uses his shield to attack the player by throwing it, but never uses it to block attacks.
  • Only Sane Man: Stonekong was aware that Red Alert is actually being manipulated. He only chooses to fight because of his loyalty to the group.
  • Sequential Boss: The stage's Mini-Boss, a number of statues that circle and attack the heroes, will be immediately followed by the confrontation with Stonekong.
  • Undying Loyalty: Stonekong knows that Red Alert is being manipulated by the Professor, but since it has already happened, he will stay with them as he fights for loyalty.
  • The Walls Are Closing In: One of his attacks does essentially the same thing.

    Splash Warfly (Splash Wafly) 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_splash_warfly_4100.jpg
Pursuer from the Blue Sea
"Rusted old machines should stay home and play with their toasters! Kee-hee-hee, take this!"
Weapon: Splash Laser/Suiretsusen (+ D-Glaive)
Weakness: Volt Tornado/Raijinshou
Voiced by: Hirotaka Suzuoki (JP), Ryan Drees (EN)

  • All According to Plan: Said word-for-word against Zero. It Makes Sense in Context.
  • Blade on a Stick: What Zero will get from him.
  • Double Weapon
  • Fish People: He is based on a flying fish.
  • Hit-and-Run Tactics: After making an attack or getting hit with the weapon he's weak to, Warfly will jump back into the water surrounding the platform he's fought on.
  • In Your Nature to Destroy Yourselves: Warfly voices this opinion of Reploids if X battles him.
    Splash Warfly: Kee-hee-hee! So you're the famous X?! I thought you were out of commission!
    X: I was put back on the job, thanks to you creeps!
    Splash Warfly: So you're saying we're playing too rough? Fool! This is our natural state - just like you!
    X: No!
  • Jerkass: He is pretty rude to all three hunters. Axl apparently never even liked him in the first place.
  • Logical Weakness: Water is a strong conductor for electricity. Additionally, he doesn't have much room to dodge Zero's Shoryuken-style attack once he emerges.
  • Making a Splash: Warfly utilizes water-based attacks in combat.
  • Platform Battle: take extreme caution since it's a fatality in all directions, being a 3D arena and all.

    Tornado Tonion (Tornado Debonian) 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_tornado_tonion_5952.jpg
Dancing Assassin
"Around and around!"
A childish onion-based Reploid who takes over Radio Tower, where he broadcasts silly and annoying messages.
Weapon: Volt Tornado (+ Ray Gun)/Raijinshou
Weakness: Gaea Shield/Gokumonken
Voiced by: Wataru Takagi (JP), Jack Merluzzi (EN)

    Vanishing Gungaroo (Vanishing Gungaroon) 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_vanishing_gungaroo_6800.jpg
Pure Wildchild
"Stop treating me like a kid! Why I oughtta..."
Weapon: Explosion (+ G-Launcher)/Hadangeki
Weakness: Wind Cutter/Souenbu
Voiced by: Rumi Kasahara (JP), Lenne Hardt (EN)

  • Boxing Kangaroo: When his Ride Armor is destroyed, he attacks with martial arts.
  • Bratty Half-Pint: He is roughly half the height of the Maverick Hunters, and upon being told by X stop his destructive antics, his response is essentially: "Shut up, you can't tell me what to do!"
  • Deflector Shields
  • Kangaroo Pouch Ride: His Ride Armor is styled after a mother kangaroo, with its cockpit being in its "pouch".
  • Mad Bomber
  • Manchild: Gungaroo talks and acts like a spoiled child, and is belittled by Zero and Axl for such.
  • Mini-Mecha: The only boss in the X series to ever use a Ride Armor, apart from Vile.
  • Stock Animal Behavior: Punching/kicking the player character.
  • Zerg Rush: Before facing Gungaroo, the Hunters must face an onslaught of Ride Armor enemies.

    Wind Crowrang (Wind Karasting) 
https://static.tvtropes.org/pmwiki/pub/images/x7_-_wind_crowrang_561.jpg
Dark Winged Rival
"Hmph...I can see it in your eyes... You would prefer to avoid a fight..."
Weapon: Wind Cutter/Souenbu (+ V-Hanger)
Weakness: Sniper Missile/Hieijin
Voiced by: Katsuji Mori (JP), Jeff Manning (EN)

Mega Man X8 Mavericks

    General 
  • Back from the Dead: Averted for once; the Boss Rush is with New Series Reploids that shapeshift into them (and back into their original forms as they explode). That's right, a Mega Man Boss Rush is actually explained for once!
  • Color-Coded for Your Convenience: Their boss rematch pods each have a distinct color, and Lumine is surrounded by color-coded chips that he absorbs whenever he wants to use a specific Boss' attack:
    • Optic Sunflower: Yellow.
    • Dark Mantis: Purple.
    • Gravity Antonion: Magenta.
    • Earthrock Trilobyte: Orange.
    • Gigabolt Manowar: Light Blue.
    • Avalanche Yeti: White.
    • Burn Rooster: Red.
    • Bamboo Pandamonium: Green.
  • Fantastic Racism: Many of their pre-fight banters have some contempt for older model Reploids. Not to mention their ultimate plan is to destroy them all.
  • Not Brainwashed: As New Series Reploids, they're actually immune to the Maverick Virus...and they have bits of Sigma inside their own programs, and thus entirely open to Evilutionary Biologist ideals without succumbing to the Virus.
  • We Can Rule Together: Played straight/downplayed. As Axl is the prototype of their kind, some of them tend to treat him with respect, perhaps with the intention of swaying him to their side, while some others treat him like dirt. To some extent, they'll also comment about how their master is interested in Zero in various ways.
  • What the Hell, Hero?: Most, if not all of them will object to the heroes calling them Mavericks in various ways. Probably because they aren't infected with the virus, and the heroes are unintentionally calling them brain damaged.

    Avalanche Yeti (Ice-Snow Yettinger) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_avalanche_yeti_8001.jpg
Guardian of the Eternally Frozen Fields
"Your world... Your ideals...are incomprehensible to my master."
A Yeti-based new generation Reploid that worked at an environmental research center in Antarctica. While Yeti is concerned about the world's environment, when he became a Maverick, he tampered with the control system of the facility.
Weapon: Drift Diamond/Hyouryuushou/Ice Gatling
Weakness: Thunder Dancer/Raikousen/Plasma Gun
Voiced by: Youichi Sasayama (JP), Dave Pettitt (EN)

    Bamboo Pandamonium (Bamboo Pandemonium) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_bamboo_pandamonium_2324.jpg
Fallen Giant of the Forest
"Did you know that the earliest form of rocketry was missiles used for war? All of history has been spent making things whose sole purpose is to destroy. Missiles... Reploids..."
A giant panda-based Reploid, Pandamonium was in charge of the rocket center in Booster Forest, a space research facility in China used before the Jakob Orbital Elevator was built. After it was abandoned, he stayed at the facility. When he became a Maverick, he collected data on the rockets in the facility for Sigma.
Weapon: Green Spinner/Youdantotsu/Blast Launcher
Weakness: Melt Creeper/Enkoujin/Flame Burner
Voiced by: Sazame Manda (JP), Jonathan Love (EN)

  • Arm Cannon/Wolverine Claws: A combo of them on each arm.
  • Armor-Piercing Attack: Zero's Youdantotsu works as this. Also X's and Axl's weapons.
  • Backpack Cannon: he fires his Blast Launcher from his back.
  • Bamboo Technology: He shoots exploding bamboo shoots at you!
  • Bear Hug: His "immobilization" attack. This does a lot of damage and you have to call in your partner to get you out.
  • Bears Are Bad News: Largest Maverick, deceptive reach and speed, a move that's pretty much a OHKO.
  • Blade Spam: Youdantotsu + D-Glaive = Renyoudan, a series of 4 wood-elemental strikes. Pandamonium himself also does this sometimes if you're close enough.
  • Death from Above: Pandamonium fires out a rocket (or two) that arcs into the air. 5+ seconds later during his next attack, it lands on top of you and blows up, and if you're trapped by bamboo shoots it may be impossible to evade. Charged Green Spinner also works like this.
  • Desperation Attack: A version of Zero's Youdantotsu that does a heavy amount of damage and can destroy ride armors in one hit. On hard mode, it is a hard-to-avoid One-Hit Kill if you haven't purchased any Life Ups, encouraging you to save his stage for later or get there in the ride armor.
  • Green Thumb: Manipulates bamboo-based weapons.
  • Grenade Launcher: the Blast Launcher.
  • Hailfire Peaks: His stage is a mix of Eternal Engine and Jungle Japes, being a space research facility inside a mountainous forest area.
  • In Your Nature to Destroy Yourselves: He often talks about how history has been spent on making destructive inventions and that it is what makes the world be in the current state now - desolate and war-torn.
  • Logical Weakness: Fire burns plants. Panda On Fire is the result.
  • Megaton Punch: His Desperation Attack, which does the most damage in the game aside from Lumine's Paradise Lost.
  • Mighty Glacier: Moves only sparingly and slowly, but has great firepower.
  • Panda-ing to the Audience: Though he might actually be a threat to the players instead.
  • Stuff Blowing Up: Many of his attacks are explosive-based.
  • Weak to Fire: As a plant-based boss, he doesn't take too well to the fire based weapons, taking extra damage and even catching fire when hit by them.

    Burn Rooster (Burn Kokekokker) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_burn_rooster_9514.jpg
White-Hot Fowl
"This is what you mean when you speak of justice? It's you who should be scrapped! There's no place for Reploids like you in the new world we will create!"
A rooster-based Reploid who worked at a waste disposal center in South America that harnesses the heat of a volcano to incinerate garbage, including retired Mavericks. He refers to the disposal center as a Reploid graveyard, and unhappy with his work, he became a Maverick and caused an uprising in the disposal center.
Weapon: Melt Creeper/Enkoujin/Flame Burner
Weakness: Drift Diamond/Hyouryuushou/Ice Gatling
Voiced by: Kyouzou Kudou (JP), Jonathan Love (EN)

    Dark Mantis (Darkneid Kamakil) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_dark_mantis_3208.jpg
Deadly Blade Lurking in Darkness
"You don't understand a thing, do you? There is no such thing as good and evil. You haven't realized that yet, have you?"
A praying mantis-based Reploid. Mantis was in charge of security for an underground military facility in Africa with an advanced security system, but when he became a Maverick, he used the facility to produce weapons for Sigma.
Weapon: Shadow Runner/Rasetsusen/Black Arrow
Weakness: Shining Ray/Tenshouha/Ray Gun
Voiced by: Tsuneyoshi Iwatsuru (JP), Tommy James (EN)

    Earthrock Trilobyte (Earthrock Torirovich) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_earthrock_trilobyte_2606.jpg
Insect Inhabiting Rich Mineral Deposits
A trilobyte-based Reploid. Trilobyte was in charge of the rare metal mine situated in North America, which has minerals essential to space development used by the Jakob Project. When he became a Maverick, he instigated a rebellion in Metal Valley and gave the extracted minerals to Sigma.
Weapon: Crystal Wall/Rekkyoudan/Bound Blaster
Weakness: Squeeze Bomb/Juuhazan/Spiral Magnum
Voiced by: Kyouzou Kudou (JP), Randall Wiebe (EN)

  • Advancing Boss of Doom: His stage has a gigantic Mechaniloid chasing after you; you then have to beat it with a moving crane. After you attack it enough, it's inverted in that it'll start running away from you.
  • Attack Reflector: What Zero will get from him; his normal slashes can reflect projectiles. Crystal Wall can also be used this way.
  • Big Creepy-Crawlies
  • Desperation Attack: Creates multiple advancing walls of doom, just like one point during the level.
  • Dishing Out Dirt
  • Gemstone Assault: Trilobyte utilizes gemstone-based attack in combat.
  • Heavily Armored Mook: You need to get rid of his armor or flip him over before you can properly damage him.
  • Logical Weakness: No amount of armor is going to be effective against an attack that destroys even the toughest of defenses.
  • Pinball Projectile: Bound Blaster
  • Removable Shell: His armor can be destroyed with his Weakness.
  • Seldom-Seen Species: Real-life trilobites are extinct.
  • Smug Snake: Trilobyte is one of the eight New Generation Reploids that Sigma chose to usher in their new world, and rubs it into Axl's face for being a "half-baked prototype".
  • Sir Swears-a-Lot: Not really swear, but Trilobyte is not above calling the hunters with something synonymous to swearing, at least by robot standards.
    Trilobyte: (To X) "Even a decaying pile of scrap like you can guess with that many hints, no?" note 
    Trilobyte: (To Zero) "You'll have to answer to my master sooner or later, you worthless pile of scrap!"note 
    Trilobyte: (To Axl) "I don't suppose a half-baked prototype like you could guess what I'm getting at." note 
  • The Social Darwinist: He has nothing but disdain for the old generation Reploids, calling them "old piles of scrap" or a variation every chance he gets.
  • Utility Weapon: A charged Crystal Wall can uncover Rare Metal upgrades if used in the correct spot.

    Gigabolt Man-O-War (Gigabolt Dokragen) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_gigabolt_manowar_8542.jpg
High Voltage Drifter
"What? What's a Maverick? Do you know what it is?"
A childish jellyfish-based new generation Reploid that supplied energy to Megalopolis. When he became a Maverick, he started causing chaos and siphoned off the energy supply of Megalopolis to Sigma. The Maverick Hunters had to chase him throughout the city with a Sirius Ride Chaser to stop his rampage.
Weapon: Thunder Dancer/Raikousen/Plasma Gun
Weakness: Crystal Wall/Rekkyoudan/Bound Blaster
Voiced by: Haruna Mima (JP), Mariette Sluyter (EN)

    Gravity Antonion (Gravitate Ant-Onion) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_gravity_antonion_5134.jpg
Twister of Time and Space
"Maverick? Once again, you attach labels to me. What arrogance! Hmpf. At any rate, if you choose to stand in my way, I'll crush you!"
An ant-based new generation Reploid who worked in an anti-gravity laboratory situated in northeast Australia. He was a very intelligent scientist, with a calm and polite demeanor. When he became a Maverick, he created a tower above the anti-gravity lab.
Weapon: Squeeze Bomb/Juuhazan/Spiral Magnum
Weakness: Shadow Runner/Rasetsusen/Black Arrow
Voiced by: Hayata Ishida (JP), Roger Rhodes (EN)

  • Armor-Piercing Attack: All the Special Weapons gained from his defeat.
  • Badass Bookworm
  • BFS: He can make one out of blocks. It is also the basis of Zero's Juuhazan.
  • Ceiling Cling/Wall Crawl: Justified as he's based off an ant.
  • Desperation Attack: Teleports away and creates multiple metal blocks that fall all over the arena.
  • Energy Absorption: His Squeeze Bomb can absorb most projectiles, making hitting him tricky. X can also use this.
  • Gravity Master
  • Gravity Screw: Can turn around the gravity of his boss room. His stage also has this as its main gimmick.
  • Ground Pound: Zero's Juuhazan is changed into this if he uses T-Breaker or K-Knuckle to perform it. He also performs it faster with those weapons.
  • Improvised Weapon: A BFS made out of those blocks in his stage.
  • Logical Weakness: Somewhat; as darkness has no weight (as it is the absence of light) and thus isn't affected by gravity (and the Squeeze Bomb). Alternately, the homing nature of Mantis' weapons are perfect for zeroing in on Antonion, who usually moves fast or burrows under the walls and ground/ceiling to appear in another place.
  • Mad Scientist: He apparently is one for anti-gravity technology.
  • The Paralyzer: Can shoot out green goo that immobilizes the player. Use Tag Assist to free yourself!
  • Pintsized Powerhouse: Despite his small size, Antonion can lift an object that is several times his size.
  • Revolvers Are Just Better: Spiral Magnum. It can blast through walls, an ability that Axl's other weapons lack.
  • Shorter Means Smarter
  • Spent Shells Shower: Spiral Magnum is the only one of Axl's weapons that do this. The closer you are to the enemy, the faster the shower become (because your firing rate becomes faster).
  • Stock Animal Behavior: Lifting a block that's bigger than him. Also walking on the ceiling and walls.
  • Strong Ants: He can create large heavy blocks that are about four times his size, pick them up from underneath, and throw them at the player character!
  • Unrealistic Black Hole

    Optic Sunflower (Optic Sunfloward) 
https://static.tvtropes.org/pmwiki/pub/images/x8_-_optic_sunflower_7979.jpg
Assassin From the Depths of Outer Space
"That's where you're wrong. We may not be the good guys, but we're no monsters. Such concepts are beyond the grasp of halfwits like you."
A sunflower-based Reploid who was originally responsible for running Troia Base, a virtual Hunter training facility stationed in Europe. When he became a Maverick, he caused the management program of the training area, "Helios", to go haywire.
Weapon: Shining Ray/Tenshouha/Ray Gun
Weakness: Green Spinner/Youdantotsu/Blast Launcher
Voiced by: "Turkey" (JP), Elinor Holt (EN)

  • Ax-Crazy: Though he claims not to be so. In fact, after you defeat at least four other Mavericks, his lines are rather normal in tone.
  • Chasing Your Tail: One of his moves has him go into one point of the room and spin a laser around the battlefield, forcing the player to move in a circle.
  • Call-Back: If you face him as Zero after beating four other Mavericks.
    Sunflower: Zero, surely you've figured it out. You must have an inkling as to what we're after here.
    Zero: Hmph. How would I know anything about how you Mavericks think?
    Sunflower: My master remembers you well. You had the chance to become the ultimate destroyer. That's ancient history now...
  • Crosshair Aware: When preparing his Kill Sat.
  • Desperation Attack: His Overdrive, where he creates an image of Final Weapon from Mega Man X4 to fire laser onto the player.
  • Dude Looks Like a Lady: Despite not being animal-like, he looks rather feminine, and sounds feminine as well.
    • This is because Elinor Holt, the English VA who voiced Lumine, provides the voice for him.
  • Kill Sat: His Overdrive. When performing it, an image of the Final Weapon from X4 can be seen.
  • Light 'em Up
  • Light Is Not Good
  • Logical Weakness: Plants use sunlight to grow and become stronger. This means Sunflower is weak to Green Spinner, even though he himself is a plant.
  • Pillar of Light: His Desperation Attack. Also used for Zero.
  • Pinball Projectile: He can fire a ball of light mesh that bounces off walls, ceilings, floor and platforms. It can trap you in if it hits you.
  • Plant Person: A sunflower-based humanoid robot.
  • Ray Gun: What Axl will get from him.
  • Self-Duplication: Can create fake clones of himself.
  • Spread Shot: Shining Ray shoots out a light projectile upwards that explodes outwardly like fireworks.
  • Take Cover!: During his Chasing Your Tail move, there'll be a floating platform (placed at random points) that can block the laser, allowing you to cover yourself.
  • Teleport Spam: He frequently teleports around in the battle.
  • Wave-Motion Gun


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