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I am the Messiah!
~ Omega

Omega is a massive Reploid created during the four years of the Elf Wars. He is Dr. Weil's greatest creation and was made to be the perfect ruler, namely by storing and using the Dark Elf in order to mass-control Reploids remotely, thus preventing them from becoming Mavericks. Although seeming only to be a servant of Weil, this is proven false by Weil himself at the end of the game revealing him to be a god. He plays a major role in Mega Man Zero 3 as the secondary antagonist and also appears as a secret boss in Mega Man ZX. Despite only appearing in one game in the series, he is the secondary antagonist of the Mega Man Zero series as a whole as what he does sets up the plot a century before the series itself begins.



Before the start of the Elf Wars, the Maverick Hunters were trying to find a way to counter the Sigma Virus. Zero, after discovering that his own body was leaking the virus, offered his body for research. The body was put under hibernation, and his memory chip was removed and put in a new body. Two renowned scientists, one of them being Dr. Weil, successfully created the Mother Elf, whose code was able to counter the virus. With this the Maverick Wars was finally over. However, Dr. Weil was unsatisfied with the result, as he believed the reploids should be punished for all of the wars they waged. By analyzing the body of Zero, Dr. Weil discovered his true nature, that Zero's true purpose was to be a machine of destruction. He reprograms Zero's body, turning him into Omega, who would be his messiah for his new order. He takes the Mother Elf and “curses” her by inserting the Sigma Virus on her, turning her into the Dark Elf. With the combined powers of Omega and the Dark Elf, he was able to take control over every reploid on the world, thus starting the Elf Wars. Omega alone wiped out most of the humans and reploids on the planet, leaving a wasteland behind. X and Zero fought Omega, and after a fierce battle, managed to defeat him with a combined attack. Omega was imprisoned on a ship and set to outer space, while X took upon himself the duty of guarding the Dark Elf. Weil was put in a mechanical body that regenerated him, condemned to live forever on the wasteland he created.

Confronting the X Guardians

Centuries later, the reploid Elpizo releases the Dark Elf. Weil was waiting for this moment, so he took action immediately. Some time later, the ship with Omega felt back on Earth, so Weil went there to reclaim his seeming puppet. The X Guardians and Zero also arrive at the place.

Confronting Zero

Zero finds Omega, who is beating the three guardians with little effort. Zero fights with Omega, who doesn't seems to be sustaining damage. Harpuia helps him, but then Weil appears, along with Copy X, whom he reconstructed. Weil challenges Zero to get the Dark Elf before him. The elf is spotted on a residential area, so Copy X sends a rocket with Omega aboard to get it.

Absorbing the Dark Elf

Omega's Second Form.

After the rocket crashes, Omega absorbs the Dark Elf, thus resuming Weil's plans. After Zero fights Copy X, the latter explodes, because Weil had planted a bomb on him. Weil assumes control over Neo Arcadia as ruler of the humans with Omega as the true ruler of the reploids, replacing Copy X, and Zero goes after him, finds Omega and once again fights him.

Rematching Zero

Omega Fusion

Weil alerts Zero about Omega's true nature and his own. Omega morphs into a gigantic robot, while the place they were in starts falling down. Zero destroys this form, and when they hit the ground, he finally sees Omega's true form, discovering that Omega is his true body, and his most powerful form of all. Zero asks why the original Zero is Weil's slave, before Weil reveals that Omega is not his servant at all, but a bloodthirsty God of destruction, and all Weil did was draw his power out to its extent.

Zero vs. Omega Zero

Omega's True Form.

Zero fights him once again in the toughest battle yet, and takes the Dark Elf out of his body. The Elf, now freed from his curse, uses his power to paralyze Omega, but Weil taunts Zero about destroying his true body. The X Guardians arrive at the place and attack Omega, getting their own share of revenge on him. The Cyber Elf X also appears, encouraging Zero to finish him. Zero, with a single strike, destroys Omega, but the ensuing explosion takes X and the Guardians. Zero is saved by the Mother Elf, who carries him back to the resistance base.

Powers and Abilities

Omega is a powerful foe who not only possesses all of the Dark Elf's powers but also a number of attacks and weapons:

  • O-Saber: Stronger version of the Z-Saber.
  • O-Buster: Stronger version of the Z-Buster.
  • O-Knuckle: Stronger version of the Z-Knuckles.



Mega man logo.png Villains
Mega Man Classic

Wily Labs
Dr. Wily | Dr. Cossack | Bass | Devil Series | Gamma | Mega Man Killers (Enker | Punk | Ballade) | Quint | Copy Mega Man | Doc Robot | Dark Man | Ra Moon | Mettaurs | Sniper Joes

Robot Masters
Light Numbers: Cut Man | Guts Man | Ice Man | Bomb Man | Fire Man | Elec Man | Time Man | Oil Man | Concrete Man | Tornado Man | Splash Woman | Plug Man | Jewel Man | Hornet Man | Magma Man | Galaxy Man

Wily Numbers: Metal Man | Air Man | Bubble Man | Quick Man | Crash Man | Flash Man | Heat Man | Wood Man | Needle Man | Magnet Man | Gemini Man | Hard Man | Top Man | Snake Man | Spark Man | Shadow Man | Gravity Man | Wave Man | Stone Man | Gyro Man | Star Man | Charge Man | Napalm Man | Crystal Man | Blizzard Man | Centaur Man | Flame Man | Knight Man | Plant Man | Tomahawk Man | Wind Man | Yamato Man | Freeze Man | Junk Man | Burst Man | Cloud Man | Spring Man | Slash Man | Shade Man | Turbo Man | Tengu Man | Astro Man | Sword Man | Clown Man | Search Man | Frost Man | Grenade Man | Aqua Man | Blade Man | Pump Man | Commando Man | Chill Man | Sheep Man | Strike Man | Nitro Man | Solar Man | Block Man | Fuse Man | Blast Man | Acid Man | Tundra Man | Torch Man | Impact Man | Bounce Man | Genesis Unit (Buster Rod G | Mega Water S | Hyper Storm H)

Cossack Numbers: Bright Man | Toad Man | Drill Man | Pharaoh Man | Ring Man | Dust Man | Dive Man | Skull Man

Stardroids: Terra | Sunstar

King Army: King | Dynamo Man | Cold Man | Ground Man | Pirate Man | Burner Man | Magic Man

Evil Robot

Mega Man X

Sigma | Vile | Armored Armadillo | Berkana | Bit | Boomer Kuwanger | Bubble Crab | Byte | Chill Penguin | Crystal Snail | Cyber Peacock | Dark Dizzy | Double | Duff McWhalen | Dynamo | Flame Mammoth | Flame Stag | Gareth | Geemel | Grizzly Slash | Infinity Mijinion | Izzy Glow | Launch Octopus | Magma Dragoon | Magna Centipede | Mechaniloids | Metal Shark Player | Morph Moth | Nightmare Phenomenon | Overdrive Ostrich | Spark Mandrill | Spider | Split Mushroom | Squid Adler | Sting Chameleon | Storm Eagle | Wheel Gator | Wire Sponge | X Hunters | Zain

Doppler Army: Dr. Doppler | Blast Hornet | Blizzard Buffalo | Crush Crawfish | Gravity Beetle | Neon Tiger | Toxic Seahorse | Tunnel Rhino | Volt Catfish

Repliforce: General | Colonel | Web Spider | Storm Owl | Slash Beast | Frost Walrus

Nightmare Investigators: Gate | Isoc | High Max | Blaze Heatnix | Ground Scaravich | Rainy Turtloid

Red Alert Syndicate: Red | Soldier Stonekong | Splash Warfly | Flame Hyenard | Wind Crowrang

New Generation Reploids: Lumine | Bamboo Pandamonium | Burn Rooster

Rebellion Army: Epsilon | Colonel Redips

Mega Man Zero

Neo Arcadia: Copy X | Craft | Crea & Prea | Dark Elf | Dr. Weil | Eight Gentle Judges | Einherjar | Fefnir | Four Guardians | Mutos Reploids | Omega

Resistance: Elpizo

Mega Man ZX

Aeolus | Atlas | Master Albert | Model W | Pseudoroids | Serpent | Siarnaq | Thetis

Mega Man Legends

Birdbots | Bola | Bonne Family ( Teisel Bonne, Tron Bonne, and Bon Bonne) | Glyde Loathe | Klaymoor | Lex Loathe | Megaman Juno | Mistress Sera | Reaverbots | Servbots

Mega Man Battle Network

World Three
Operators: Lord Wily | Mr. Match | Ms. Madd | Higsby | Count Jack Zap | Yahoot | Anetta | Takeo Inukai | Rei Saiko | Noboru Sunayama | Professor | Baryl | Joe Mach | Captain Blackbeard | Vic | Prosecutor Ito | Yuika
NetNavis: FireMan.EXE | NumberMan.EXE | ColorMan.EXE | ElecMan.EXE | MagicMan.EXE | StoneMan.EXE | BombMan.EXE | PlanetMan.EXE | NapalmMan.EXE | PharaohMan.EXE | FlameMan.EXE | PlantMan.EXE | BeastMan.EXE | FlashMan.EXE | DesertMan.EXE | BubbleMan.EXE | DrillMan.EXE | Bass.EXE | Colonel.EXE | BlastMan.EXE | DiveMan.EXE | ElementMan.EXE | JudgeMan.EXE | CircusMan.EXE | StarMan.EXE | SwordMan.EXE | Zero.EXE | GravityMan.EXE | Cybeasts
Others: Life Virus

Operators: Sean Obihiro | Magnus Gauss | Arashi Kazefuki | Speedy Dave | Dusk | Princess Pride
NetNavis: MagnetMan.EXE | AirMan.EXE | QuickMan.EXE | ShadowMan.EXE | CutMan.EXE | FreezeMan.EXE | KnightMan.EXE

Nebula: Dr. Regal
Darkloids: LaserMan.EXE | ShadeMan.EXE | CosmoMan.EXE | BlizzardMan.EXE | CloudMan.EXE | Dark MegaMan.EXE | Dark ProtoMan.EXE | Duo.EXE | Nebula Grey

Alpha | BrightMan.EXE | BurnerMan.EXE | BowlMan.EXE | ClockMan.EXE | ColdMan.EXE | DarkMan.EXE | HeatMan.EXE | JapanMan.EXE | LarkMan.EXE | MistMan.EXE | Serenade.EXE | SparkMan.EXE | VideoMan.EXE

Mega Man Star Force

Cepheus | Gemini | Taurus | Cygnus | Libra | Cancer | Andromeda | Crown | Ophiuca | Wolf | Patrick Sprigs | Jammers

Murian Empire
Dr. Vega | Hyde | Rich Dotcom | Gerry Romero | Shaman | Hollow | Solo | Condor | Plesio | Le Mu | Laplace

Mr. King | Joker | Queen Tia | Jack | Virgo | Corvus | Omega-Xis Copy

Apollo Flame | Chrys Golds | Diamond Ice | Dread Joker R | General Auriga | Harp Note IF | Sirius


Constellation Droids | Dimensions | Dr. Wily (Mega Man TV Series) | Proto Man (Mega Man 1994 Cartoon) | R-Shadow | Robosaur Park Dinosaurs | Slur