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Characters / Sonic the Hedgehog - Eggman Empire

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Every hero needs a good villain and none provide that better than these guys. These are the primary antagonists of the series, led by the comically ego-driven Dr. Ivo "Eggman" Robotnik. This list includes the not-so good doctor himself, as well as the various creations under his command.

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    Dr. Ivo "Eggman" Robotnik 

See his page here

    Metal Sonic
Click here for his transformation in Knuckles Chaotix. 
Click here for Neo Metal Sonic. 
Click here for Metal Madness. 
Click here for Metal Overlord. 
"Long time no see, Sonic... my loathsome copy!"

Debut: Sonic CD
Voiced by: Junichi Kanemaru (Japanese, games), Ryan Drummond (English, 2004)

A recurring robotic replica of Sonic, designed to not only match but exceed his speed and power in every way, later gaining the ability to analyze and imitate the data of any lifeform he sees. Despite constant defeat, he is a stubbornly persistent recurring foe of Sonic who, while initially just another mindless badnik, slowly gained a vengeful, egotistical personality over time, which prompts him to disobey his creator on a few occasions in the past if it serves his needs.

  • A.I. Is a Crapshoot: It's generally assumed that Eggman made an upgrade to Metal that made him go mad with power and ego in Heroes. To elaborate, Metal deluded himself into believing he was the real Sonic, and that Sonic was his "loathsome copy"!
  • All Your Powers Combined: As part of his DNA copying in Heroes. He gets the speed, power, and flight of Team Sonic, as well as Shadow's Chaos powers (particularly Chaos Control) and Chaos' shapeshifting abilities (via Froggy and Chocola), with his lines implying that he successfully copied all pertinent data from the rest of the cast.
    Metal Madness (to Team Chaotix): You're all useless now that I've copied all your data.
  • Always Someone Better: Sonic ends up being this to him, which drives him absolutely nuts.
  • Amplifier Artifact:
    • The gem he finds during Episode Metal, which enhances his powers significantly and lets him fire lightning blasts from his hands.
    • In Sonic Mania, the Plus update changed the final phase of the fight into Eggman throwing the Phantom Ruby at him, causing Metal Sonic to transform into a vicious-looking Humongous Mecha resembling his transformation in Knuckles Chaotix.
  • Arch-Enemy: His literal sole purpose is to kill Sonic and replace him as the only Sonic around.
    Metal Sonic: Sonic... I was created for the sole purpose of destroying you.
  • Art Evolution: The original design is more simplistic and puppet-like, while his post-Sonic Adventure 2 design gave him a little more detail and played with his proportions a little.
  • Ax-Crazy: Though it depends on the game, Metal Sonic's obsession with defeating Sonic can drive him to borderline-murderous lengths in order to do so. By his return in Sonic Heroes, he's descended to the point of turning himself into a giant monster to Take Over the World, even attacking innocents like Team Rose when they attempt to stop him.
  • Badass Automaton: One of Eggman's best (if not the best) robots, capable of both matching and in some regards exceeding Sonic.
  • Badass Baritone: When he's Suddenly Voiced in Sonic Heroes, but as mentioned below, it's Sonic's voice with an electronic makeover and mostly spoken in a Creepy Monotone.
  • Badass Boast: He's got plenty as both Metal Madness and Metal Overlord, but one in particular stands out:
    • English version:
    Super Sonic: It's not over yet! Let's show him what we're made of!
    Metal Overlord: See me as I am, no longer afraid of anything! I shall become the ultimate overlord, ruling as the world's most supreme being!
    • Japanese version:
    Super Sonic: Just a little more! Let's show him what we're made of!
    Metal Overlord: Show me, then! Show me what you're made of against this brand new me! I am no longer afraid... I shall never be afraid of anything!
  • Badass Longcoat: Neo Metal Sonic sports one.
  • Batman Gambit: The entire plot of Sonic Heroes was one for him. He issued a challenge to Team Sonic while impersonating Eggman just to copy their data and defeat them. What makes it so unique is that he was only after Team Sonic. Team Dark, Team Rose, and Team Chaotix got involved by themselves; but due to them giving him the means to copy data on the Ultimate Lifeform (Shadow) and Chaos (through Froggy and Chocola) to make himself even stronger, it still worked in Metal's favor.
  • Big Bad: In Sonic Heroes.
  • Bishōnen Line: Neo Metal Sonic is distinctly more humanoid than his regular look.
  • Bootstrapped Leitmotif: Stardust Speedway Bad Future from Sonic CD. While it was originally used mainly as the Bad Future track for the titular zone, it was also used as the BGM for the Metal Sonic boss battle (which took place in said level). As Metal Sonic's Ensemble Dark Horse status grew, it became increasingly iconic for its association with him. Every boss fight with him from Generations onward uses the same theme or a remix of it (more frequently the JP/EU version, though the NA version does occasionally get reused as well).
  • Breakout Villain: He went from a boss battle in Sonic the Hedgehog CD and just in a long line of robotic ripoffs of Sonic, to the most iconic villain in the franchise next to Eggman thanks to fandom popularity.
  • Can't Kill You, Still Need You: Arguably the only reason Eggman hasn't scrapped him for his repeated disloyalty. His stubbornness, cunning and sheer speed and strength make Metal by far one of the strongest and most competent minions he has.
  • Card-Carrying Villain: In Sonic Heroes, due to his massive ego.
  • Characterization Marches On: Initially, Metal was just a well-constructed but otherwise mindless knockoff of Sonic. Then Sonic Heroes gave him a personality, revealing him to be a cold-blooded, domineering egomaniac. Even after Eggman's subsequent reprogramming of him after his defeat, Sonic Free Riders shows that he still has enough personality to willingly go behind Eggman's back and study the other racers in disguise, all just to challenge Sonic to a one-on-one race. Metal Sonic also talked in Heroes, but any later appearances and adaptations featuring the characters make him silent; Cubot and Orbot talk for him in Mario & Sonic at the London 2012 Olympic Games.
  • Chest Blaster: His Plasma Pulse Attack in Knuckles' Chaotix, and a chest laser in Fighters. As Metal Overlord, he can fire crystals from the hole on his chest.
  • Cool Plane: Pilots one in Sonic the Hedgehog 4.
  • Conjoined Eyes: Being based on Sonic, he follows the hedgehog design scheme.
  • Costume Copycat: Disguised himself as Eggman for the majority of Sonic Heroes. The real Eggman gave orders to Team Chaotix during that time in order to free himself.
    • Also repeated in Sonic Free Riders, where he disguised himself as a blue E-10000 in order to copy everyone's data and prove himself the best user of Extreme Gear.
  • Crippling Overspecialization: He was created to exceed Sonic's speed, which he does very well due to having a jet engine sticking out of his torso. However, since this causes him to outright fly, he often has trouble stopping.
    • In addition, that kind of speed puts a huge strain on his insides — Metal Sonic is prone to overheating after traveling faster than Sonic for too long, and he then has to spend time to cool down. In Sonic Generations, this is his one biggest weakness.
  • A Day in the Limelight: A mini-Episode of Sonic 4 focuses on his return after his defeat in Sonic CD. He's even the playable character.
  • Continuity Snarl: His role in Sonic the Hedgehog 4: Episode Metal retroactively introduces one to the series. The game explicitly points out that Metal Sonic was left abandoned for a long time on Little Planet after he was defeated on Stardust Speedway, and wasn't revived by Eggman until the modern era. Problem is that Metal Sonic makes several other appearances in the spinoff Sonic games of the classic era (i.e. Sonic the Fighters, Sonic Triple Trouble, Sonic Drift), and per word of Sega staffer Aaron Webber, "Everything is canon." While there's nothing stopping Eggman from simply building other Metal Sonics to replace it, the series always seemed to treat Metal Sonic as one consistent being and not an identical series of robots (aside from the similar Mecha Sonics), and it's rather odd that Eggman would go out of his way to seek out the original Metal Sonic to revive it when he could have just easily cobbled together another one.
  • Determinator: His resolve is almost as strong as Sonic's. No matter how long it takes or how many defeats he suffers, he will defeat Sonic. To quote his only line of dialogue from Generations:
  • Disney Villain Death: Subverted. He falls several thousand feet from the sky when defeated as Metal Overlord, but he survives.
  • The Dragon: To Eggman when Orbot and Cubot aren't filling the role.
  • Dragon with an Agenda: Despite being programmed to serve Eggman, his drive to defeat Sonic tends to override his loyalty to Eggman. This is especially shown in Sonic Free Riders, where he goes behind Eggman's back and disguises himself as a blue E-10000 to copy everyone's racing data.
  • Dragon Ascendant: In Heroes, he locks Eggman in a room and decides to conquer the world for himself. Unfortunately, he's defeated and-
  • Evil Counterpart: To Sonic, of course.
  • Evil Knockoff: Provides the trope image. However, in Heroes, his desire to prove himself to be better than Sonic had progressed to the point that he thought he was the real deal.
    Metal Overlord: Guooooo! Why?! I had it all! I am the ultimate overlord, Metal Sonic... I AM THE REAL SONIC!
  • Evil Is Petty: His entire plan and motive in Sonic Heroes evolved out of his desire for revenge on Sonic for losing to him so many times.
  • Evil Sounds Deep: In his Sonic Heroes appearance. Surprisingly, it's just Ryan Drummond's Sonic voice in monotone, with the pitch deepened and with a synthesized reverberation added. Hear it unaltered.
  • Eviler Than Thou: He tends to be a greater and more serious threat than his creator.
  • Eyes Do Not Belong There: Trades his hedgehog-style eyes for two individual ones on his forehead when he turns into Metal Madness/Metal Overlord.
  • Failure Is the Only Option: No matter how hard he tries, he can never defeat Sonic.
    Sonic: Give it up, man! I've beaten you in every race, every fight, and even that time you turned into that stupid dragon thing!
  • Finger Firearms: He can fire his claws like missiles as Metal Madness. If it hits a character, he or she is trapped in a crystal dome. If all three characters are trapped, they lose a life.
  • Finger Wag: Considering the original Sonic does it, it's only appropriate that his robotic clone did it as well - First in Sonic the Hedgehog CD before his race, and then again in Sonic Mania before the Advancing Wall of Doom begins chasing after you in the second phase of his boss fight.
  • Flight: Thanks to a jet engine on his back.
  • Fire-Breathing Weapon: Metal Madness's right hand is a flamethrower that he uses against Team Rose and Team Dark.
  • Fragile Speedster: He was designed to be faster and stronger than Sonic, both of which he gets down, but he's prone to overheating after attacking and can be neutralized by flying into a wall.
  • Good Wings, Evil Wings: Metal Overlord has some sharp and scary-looking wings.
  • The Heavy: In most games he this, he does most of the grunt work for Doctor Eggman. Usually the plot kicks of with his involvement, and his antagonism to Sonic.
  • Heroic Sacrifice: Yes, heroic. In Sonic Rivals 2. He rips out his own power source to allow Shadow to use it to transport them both out of the Ifrit's dimension.
  • High-Altitude Battle: The fight with Metal Overlord in Heroes takes place in the sky over the Egg Fleet.
  • Humongous Mecha: His Metal Madness and Metal Overlord forms, as well as his transformation from Knuckles Chaotix. And again in Mania, thanks to the Phantom Ruby.
  • I Just Want to Be You: Implied to be his beef with Sonic, although it overlaps heavily with There Can Only Be One, as Metal's goal of defeating Sonic and proving his own self-worth is his sole purpose for existing.
  • Image Song: Metal Sonic has many themes, which fit him extremely well:
  • Inferiority Superiority Complex: Heavily implied to have this. He was created with the sole purpose of defeating Sonic, but no matter how hard he tried, he could never pull it off, even when he found that Amplifier Artifact in Sonic 4. By Sonic Heroes, his inferiority complex and obsession with defeating Sonic had grown so out of control that it drove him completely insane and caused him to copy the powers of Sonic and his friends and attempt to Take Over the World just to prove he's better than Sonic.
  • The Juggernaut: Metal Overlord. It's saying something that it took 12 characters to put him down. Nine of them had to distract him so Team Sonic could use their super powers. Then the three of them had to finish him off.
    • In his debut appearance in Sonic the Hedgehog CD, Sonic can't even harm him due to his electrified force field, and Metal can effortlessly smash through obstacles that Sonic has to work around. Sonic has to rely on a combo of the raceway's closing gate and Eggman's instant kill laser to bring him down.
  • Kick the Dog: Your first clue that he's bad news is a hologram recording in Palmtree Panic of Metal Sonic stepping on a squirrel for no reason.
  • Kill and Replace: Metal Sonic's ultimate goal is to not only kill Sonic, but replace him as the only Sonic.
  • Killer Robot: He's a robot version of Sonic hell-bent on destroying the original (at least in Sonic Heroes).
  • Kneel Before Zod: Demands that everyone bows to him in Sonic Heroes.
    Metal Sonic: All living things kneel before your master! (English)
    Metal Sonic: Now begins the time that all living things shall kneel before me! (Japanese)
  • Knight of Cerebus: For Sonic Heroes, the game is pretty lighthearted until he shows up. In general, he's portrayed as one of the darkest villains in the franchise, being ruthless and not engaging in any unnecessary theatrics that Eggman is prone to.
  • Large Ham: He chews the scenery with almost every one of his lines in Heroes, including the portions where he was disguised as Eggman. "All living things, KNEEL BEFORE YOUR MASTER!"
  • Leitmotif: Tends to have the Bad Future Stardust Speedway tracks (particularly the Japanese/European one) play in his fights. A notable exception was Sonic the Hedgehog 4, which introduced a new theme exclusive to his boss battles not based on any previous ones.
  • Loophole Abuse: Metal Sonic has only one main directive: defeat Sonic. If something will bring him closer to that goal, he will do it... whether ordered to or not. This has leads to him disobeying Eggman in Sonic Heroes, and again in Free Riders.
  • Macross Missile Massacre: Metal Madness and Metal Overlord can fire missiles from the spikes on his back.
  • The Mind Is a Plaything of the Body: In Sonic Heroes. As Neo Metal Sonic assumes his Metal Madness form, he is shown roaring, despite still having the capacity for human speech.
  • No Mouth: In his normal and Neo forms. Subverted with all his transformations besides Neo Metal Sonic.
    • Strangely averted in the American and European box art for Sonic CD, which gave him a rather awkward-looking mouth[1][2], but it didn't stick.
  • Ominous Visual Glitch: In the official music video for his theme in Sonic Forces, Metal Sonic is shown to have the same red glitchy aura as Infinite, even using his energy cubes.
  • Omnicidal Maniac: Implied, but not outright stated. During the Final Battle with him in Sonic Heroes, he mentions wanting to rule a robot kingdom, slightly implying he wanted to destroy all organic life. The Bad Ending in Knuckles Chaotix also implies that he used his One-Winged Angel form to burn down an entire city.
  • One-Winged Angel: Metal Madness and Metal Overlord in Sonic Heroes, and before that there was his unnamed transformation in Knuckles Chaotix note . And as of the Plus update for Mania, he does it again with the help of the Phantom Ruby, turning into Titan Metal Sonic, a blue version of his Chaotix transformation.
  • Our Dragons Are Different: Metal Madness and Metal Overlord resemble western dragons.
  • Out of Focus: He was fairly prominent in the 90's, being the secondary antagonist of Sonic CD and starring in a few spin-off games. After Sonic Adventure, he was mostly relegated to cameo appearances, Sonic Heroes being the only real exception. He's slowly been making a comeback after the second Episode of Sonic 4, however, and stars as one of the villains of Sonic Forces.
  • Overdrive: The V. Maximum Overdrive Attack, as its name would suggest, is stated to be rather taxing on Metal's systems — enough so that sustained use could potentially destroy him.
  • Person of Mass Destruction: His Neo Metal Sonic and Metal Overlord forms. Also Metal Sonic Kai from Knuckles Chaotix, depicted in the bad ending burning down a city during the credits.
  • Power Copying: His main superpower, used to copy the abilities of everyone in Sonic Heroes. And he does it again in Sonic Free Riders, diguising himself as a blue E-100000 to copy everyone's Extreme Gear data.
  • Psycho Electro: A Robotic Psychopath with electric powers.
  • Rage Quit: In Sonic Free Riders. After challenging Sonic to a race and, predictably, losing spectacularly, Metal runs off in a rage.
  • Ramming Always Works: His V. Max Overdrive attack, where he overclocks his systems to make himself hazardous to touch and zoom across the stage.
  • Red Eyes, Take Warning: Along with the black sclera, it really makes him look imposing.
  • The Resenter: To Sonic.
  • Ridiculously Human Robots: Depends on the game, but this is most evident in Heroes. He's almost indistinguishable from a reploid in terms of cognitive ability and emotional expression, as well as the capacity to go completely insane.
  • Robot Me: Really now?
  • Robotic Psychopath: The most aggressive and violent automaton in the series — yes, even surpassing Omega.
  • Sanity Slippage: Shown in Sonic Heroes. He was created for the sole purpose of defeating Sonic, but each defeat caused his hate and resentment towards Sonic to build until it reached critical mass. It eventually all goes to hell, driving him mad with power and ego and causing himself to believe that he was the real Sonic.
  • Satellite Character: A downplayed example. Metal does have a personality and motive separate from his creator, but he is, for the most part, treated as Eggman's attack dog when it comes to keeping Sonic at bay. He very rarely strikes out on his own as an antagonist, mostly due to him being programmed to be loyal to Eggman.
  • "Second Law" My Ass!: Pulled this one out in Sonic Heroes; Fed up with Dr. Eggman's failures, he threw the doctor into a room and took over the Eggman Empire himself to go about his own plans.
  • Shock and Awe: Most of his attacks, such as the V. Max Overdrive Attack and the Ring Spark Field, deal with electricity. Neo Metal Sonic can fire lightning from his hands, and as shown in Sonic the Hedgehog 4, he's still capable of this to some degree.
  • Smug Snake: He may not be the real Sonic like he claims to be, but at least he's got all of Sonic's ego.
  • Some Kind of Force Field: To make up for his lack of special moves in Sonic Adventure 2 Battle, Metal Sonic is given the Black Shield ability, which makes him completely indestructible.
  • Spikes of Villainy: Neo Metal Sonic wears a spiked belt. His Metal Overlord form has spikes on his back. And they aren't just for show.
  • The Starscream: In Sonic Heroes, although by his defeat, Eggman reprogrammed him to ensure this would never happen again — although that may not have been foolproof, since Sonic Free Riders shows he still has hints of free will, going behind Eggman's back to copy the racers' data, and promptly challenge Sonic to a new race.
  • Super Speed: Naturally. He is a robot of Sonic, after all. Eggman built him to be even faster than Sonic, and was quite successful.
  • Terminator Impersonator: Metal Sonic is a robot made in mockery of its enemy who keeps coming back no matter how often it's destroyed. His black eyes with glowing red irises resemble the Terminator's own red eyes which it kept hidden under a pair of sunglasses. Taken even further in Sonic Heroes, where he's now made of liquid metal and can shape-shift.
  • There Can Only Be One: It's never outright stated, but it's pretty clear that Metal's main goal is to destroy Sonic for good by his own hand, and become the only supersonic blue hedgehog around.
  • The Only One Allowed to Defeat You: To Sonic. He takes it Up to Eleven in Sonic Heroes, where he's not only obsessed with defeating Sonic, but believes that he is the real Sonic.
  • This Was His True Form: While he didn't actually die in Heroes, after he's defeated, he shrinks from his Neo Metal Sonic form into the Sonic CD appearance we're all more familiar with before he shuts down.
    Metal Sonic: (is forcibly reverted back to his original state) It's no use... but why can't I defeat you...?!
  • True Final Boss: Of Sonic Heroes.
  • Turned Against Their Masters: Does this to Dr. Eggman in Sonic Heroes. After receiving an upgrade that lets him think and feel like a real being, Metal comes to the conclusion that his creator isn't capable of taking over the world with all the times he's previously failed. With that, he imprisons Eggman deep within the Final Fortress and takes command of the Eggman Empire; setting about destroying Sonic and friends by his own hand, and then creating a worldwide empire of machines with himself at the helm.
  • Villainous Breakdown: When defeated in Sonic Heroes.
    Metal Overlord: Guooooo! Why?! I had it all! I am the ultimate overlord, Metal Sonic. I AM THE REAL SONIC!
  • Villain Protagonist: In Episode Metal.
  • The Voiceless: In all appearances barring Heroes (where he's Suddenly Voiced after receiving an upgrade). If he ever tries to communicate, it'll be in Unintelligible computer noises. He also speaks in Sonic Free Riders while disguised as a blue E-10000.
  • Voluntary Shapeshifting: He gained this ability circa Sonic Heroes, at least the ability to superficially imitate them in appearance. He gets the ability to outright morph, T-1000 style by copying Chocola Chao and Froggy's data (who had the DNA of Chaos in them), and Sonic Free Riders shows that he can still pull this off to some degree.
  • Walking Spoiler: Metal Sonic served as this for a while, in the wake of his role in Sonic Heroes, although it's greatly diminished over time.
  • We Can Rebuild Him: Claims to have done this to himself before the events of Heroes to defeat Sonic.
  • With Great Power Comes Great Insanity: Read the above.
  • Xanatos Gambit: His Batman Gambit to Team Sonic in Sonic Heroes can be seen as this. If Team Sonic answers his challenge, he can copy their data; if they don't, he can conquer the world with the Egg Fleet he stole control of from Eggman. Either way, he wins.
  • X-Ray Sparks: In Sonic & All-Stars Racing Transformed, he shows a skeleton when electrified, despite being, well, a robot. This is likely a goof on Sega's part and not intentional, however.
    • It could just be an endoskeleton considering he's a highly advanced robot that is able to properly mimic Sonic's moves. A robot without an endoskeleton probably would not be able to perform such moves.

    Orbot and Cubot
Orbot on the left, Cubot on the right.

Orbot's Debut: Sonic Unleashed
Cubot's Debut: Sonic Colors
Orbot Voiced by: Mitsuo Iwata (Japanese), Chris Collet (English, 2008), Kirk Thornton (English, 2010-present), Tony Marot (2013-present)
Cubot Voiced by: Wataru Takagi (Japanese), Wally Wingert (English), Benjamin Pascal (2013-present)

Dr. Eggman's robotic assistants.

  • Anti-Villain: Working for Eggman is really the only reason they can be considered evil. In Sonic Lost World, Cubot apologizes for attacking Tails, and Orbot asks Sonic if he can be his new sidekick if they don't get Tails back.
  • Alas, Poor Yorick: Orbot quotes this almost verbatim in Sonic Lost World while holding Cubot's decapitated head. Of course, since they're robots, Cubot is fine.
  • Art Evolution: In Sonic Unleashed, Orbot had a white casing. From Sonic Colors onwards, his casing was red to better contrast the yellow Cubot.
  • Breakout Character: Orbot was originally just a robot with no real plot importance in Sonic Unleashed, mostly there for explaining the plot and making fun of Eggman, which netted him popularity with the fanbase. He then went on to show up in Sonic Colors afterward, and has since become a recurring character.
  • Bumbling Henchmen Duo: Eggman's comedic pair of minions.
  • Characterization Marches On: Orbot was very disrespectful to his master in Sonic Unleashed, snarking on his inability to do things right, as well as being physically different from having a different color. In Sonic Colors, he's much more like a butler with much more subtle sarcasm, possibly due to having a new voice chip, or just being a new Orbot altogether. In Sonic Lost World, however, he regains shades of his original snarky self, asking Sonic if he can leave Eggman to be his new sidekick, within earshot of Eggman.
  • Cloudcuckoolander: Cubot. Though his faulty voice chip doesn't help.
  • Cloudcuckoolander's Minder: Orbot.
  • Co-Dragons: In recent games, the two have been Eggman's main, though ineffectual, backup. They're demoted to Bumbling Sidekick status when Metal Sonic shows up, though.
  • Comic Trio: They form with Eggman, with Eggman as the Schemer, Cubot as The Fool, and Orbot as the Only Sane Man.
  • Deadpan Snarker: Orbot.
  • The Ditz: Cubot is a downplayed example, being just competent enough to do his job.
  • Expy: The concept of robot buddies to work off a somewhat comically inept Eggman likely comes from at least two adaptations. Orbot and Cubot have since taken this role across all mediums.
  • Foil: To each other; Orbot obeys Eggman faithfully, but doesn't really like him very much, while Cubot does like Eggman, but is lazy and tries to get out of doing any work.
  • Harmless Villains: Aside from piloting a few of Eggman's machines, the duo do nothing but slapstick. Justified by the fact that they aren't built for combat.
  • I Can't Feel My Legs: Cubot says this in Sonic Lost World when Orbot puts his decapitated head on a snowman's body... Except he never had legs to begin with.
  • Iconic Sequel Character: Exaggerated. Orbot and Cubot didn't appear until 17 and 19 yearsnote  into the series respectively, yet they have cemented themselves as Dr. Eggman's lackeys, far more than the lackeys he was given in cartoons and other adaptations.
  • Losing Your Head: Cubot is decapitated when the Deadly Six turn on Eggman. Being a robot, he survives.
  • Mecha-Mooks: Eggman's new pair of elites.
  • Mook Lieutenants: They act as this in Sonic Runners, giving orders to Eggman's other robots.
  • Motor Mouth: Cubot, especially when he gets his old voice back. In Lost World, however, he talks normally.
  • Machine Monotone: Orbot spoke this way in Unleashed, but from Colors onward, his voice sounds much less robotic, and he expresses a wider variety of emotions.
  • Non Action Guys: They're built to personally assist Eggman and perform simple tasks, not for combat.
  • Odd Friendship: Both with each other and with Eggman, and the latter makes Orbot think of joining the heroes.
  • Only Sane Man: Orbot acts as this to Eggman and Cubot.
  • Plot Armor: In Sonic Lost World The two seemed to be immune to the Deadly Six's ability to manipulate electromagnetic fields. Though it's possible that the Six either can't control sentient robots or just didn't bother to control them due to their ineffectiveness in combat (and everything else).
  • Plucky Comic Relief: They're this in every post-credits scene from Unleashed onwards.
  • Portmanteau: "Orbot" is one of "orb" and "robot", while "Cubot" is "cube" and "robot".
  • Punch-Clock Villain: Despite being loyal to Eggman, they don't really have anything personal against Sonic and have actually been quite friendly towards him.
  • Red Oni, Blue Oni: Cubot is the red, Orbot is the blue.
  • Remember the New Guy?: Both of the robots started appearing without any fanfare, as if they've been around to witness Dr. Eggman's failures for a while.
  • Ridiculously Human Robots: Unlike Eggman's other sapient robots, who still speak or behave in robotic fashions, Orbot and Cubot speak and behave like humans.
  • Robot Buddy: They're pretty much the closest thing Eggman has to friends.
  • Robot Maid: Eggman created Orbot to wait on him hand and foot.
  • Sarcastic Devotee: Orbot.
  • Servile Snarker: Orbot in spades. Cubot to a lesser extent.
  • Shoo Out the Clowns: In Sonic Forces, they appear in the opening scene in Eggman's lab, and then never again for the rest of the game, not accompanying Eggman when he goes out to confront the Resistance. This was likely done because having them at Eggman's side would clash with the Darker and Edgier tone the game was aiming for.
  • Sleep-Mode Size: When not in use, they compress themselves into a sphere and a cube, respectively.
  • Snarky Non-Human Sidekick: Orbot.
  • Something We Forgot: A recurring side-plot in Colors is Orbot and Cubot trying to find the latter's original voice chip, because every substitute chip used changes his voice and personality to be gradually worse. Near the end of the game, Cubot finally restores his old voice.
    Eggman: "Now I remember why we changed his voice chip."
  • Terrible Trio: Forms one with Eggman.
  • Unexplained Recovery: As seen in Sonic Generations, Eggman left them in space. Despite this, they reappear in Sonic Lost World.
  • Visual Pun: Cubot is a blockhead.
  • Vocal Evolution: Cubot's voice at the end of Colors had a somewhat high pitch and fast pace. In Lost World onward, while his voice remains the same, it's deeper, and he talks normally. This may be justified by Cubot simply being excited to have his original voice back.
  • Voice for the Voiceless: In the London Party mode of Mario & Sonic at the London 2012 Olympic Games, they act as the voice for Metal Sonic.
  • Yes-Man: Despite Orbot's snarky attitude, he's always willing to follow Eggman's orders.

    Mecha Sonic
Counterclockwise from the top left - Sonic 2 (16-bit), Sonic 2 (8-bit), and Sonic 3.

Often confused with Metal Sonic, Mecha Sonic is Sonic's other robotic replica(s). Unlike Metal Sonic, Mecha Sonic is notable for having a drastic redesign in every major appearance: Sonic the Hedgehog 2 (Master System), Sonic the Hedgehog 2 (Mega Drive), and Sonic (3) & Knuckles. Lack of a solid background means no one can seem to decide if this is one recurring resilient robot that keeps getting rebuilt, or really entirely separate robots with the same designation. The 16-bit Sonic 2 incarnation of Mecha Sonic made a surprise modern appearance in the Sonic Dimensions DLC of LEGO Dimensions, though the Lego Dimensions incarnation is considered a different character from the Sonic 2 one. Not to be outdone, the original 8-bit incarnation of Mecha Sonic, reidentified as Silver Sonic, made an appearance alongside Metal Sonic in Sonic Mania.

  • Art Evolution: The Sonic 2 designs were bulkier silver constructs that arguably resemble Sonic more than Metal Sonic. Sonic 3 & Knuckles did away with this, giving the robot a sleeker dark purple design.
  • Big Bad: Of Knuckles's story in Sonic 3 & Knuckles. Robotnik is presumably elsewhere most of the time, or Mecha Sonic is serving as his Dragon.
  • Big Bad Duumvirate: In Sonic 3 & Knuckles, he seems to enlist the aid of an Eggrobo as his ally to try to defeat Knuckles in his story. By the time Knuckles reaches Sky Sanctuary, Mecha Sonic (presumably accidentally) destroys the Eggrobo by air-dashing right into his mobile, missing the trapped Knuckles.
  • Canon Name: For years, the distinction between him and Metal Sonic was in dispute, with both names seemingly used interchangeably. Eventually, Mecha Sonic stuck as a separate entity from Metal Sonic. Of course, this didn't stop the question of whether Mecha Sonic is a separate entity from itself between appearances.
  • Chuck Cunningham Syndrome: Barring a cameo appearance in Sonic Adventure, Mecha Sonic vanished completely after the Classic Era, until Sonic Mania.
  • The Dragon: The penultimate boss just before the Death Egg Zone in Sonic 3 & Knuckles. Notably, this is after Metal Sonic had been established as a character.
  • Dub Name Change: With the exception of Sonic the Fighters (which is labeled "Mecha Sonic Model No.29" in-game and "Rocket Metal" (Sonic) in unused fighter data), "Mecha Sonic" is nearly always the name of the robot in Japanese strategy guides. In western game media, each version of Mecha Sonic is instead given a unique name to help differentiate, at least at some point:
    • The Mecha Sonic from the 8-bit Sonic the Hedgehog 2 is originally known as the "Silver Sonic" in the Master System and International Game Gear manuals.
    • The Mecha Sonic from the 16-bit Sonic the Hedgehog 2 initially remained as Mecha Sonic on the old Story recap section of the International Sonic the Hedgehog 4 - Episode I website, but has been currently renamed "Robo Sonic" in the Sonic Dimensions DLC of LEGO Dimensions. On occasion, it is also erroneously mistaken for its 8-bit counterpart, likely due to the shared game title, and the fact the 16-bit robot did not have an official English name for a long while.
    • The Mecha Sonic from Sonic 3 & Knuckles actually had three alternate names - "Metal Sonic" on the back of the North American Sonic & Knuckles box (causing much confusion), "Robotic Sonic" in a mail-in Sega of America walkthrough, and the "Evil Sonic" in a Sonic the Comic Q Zone (mini-walkthroughs for Sega games). Unlike the above, this Mecha Sonic managed to keep his Japanese name in both the International Sonic the Hedgehog 4 - Episode I website and the Sonic Dimensions DLC of LEGO Dimensions.
  • Evil Knockoff: Arguably more so than Metal Sonic, due to him having a variation of Sonic's Spin Attack and Spin Dash move, though Metal Sonic himself got these added to his own skill set eventually.
  • Flat Character: Unlike his more famous counterpart, Mecha Sonic appears to be completely nondescript in personality; in the 16-bit Sonic the Hedgehog 2, he is even presented as a mere mindless drone to Eggman.
  • Flight: Capable of this in Sonic the Hedgehog 2 via rocket boots, but they're ditched in Sonic 3 & Knuckles in favor of being made much more agile, with fast zero gravity flight.
  • Hidden Weapons: In his 8-bit Sonic the Hedgehog 2 encounter, he has an extendable grappling arm built into his body.
  • Macross Missile Massacre: Mecha Sonic can fire the spikes on his back at Sonic during the fight on the Death Egg.
  • Nostalgia Level: In Sonic 3 & Knuckles, during the Sky Sanctuary Zone, he provides this for the first boss from Sonic 1 and the eighth from Sonic 2, and then finally for his own previous incarnation at the end.
  • One-Scene Wonder: Mecha Sonic Model No.29 only briefly appears in the Sonic the Fighters introduction, where it transforms into a rocket and launches, never to be seen again.
  • One-Winged Angel: His Super Mode form in the end of Sonic 3 & Knuckles, where he absorbs the power of the Master Emerald, granting him even faster speed, as well as a energy blast attack and the ability to launch dummy rings. This turns into a Clipped-Wing Angel, however, as using the energy blast will eventually drain his power, leaving him vulnerable while he goes to the Master Emerald to recharge.
  • Power Floats: Gains this in his Super form.
  • Robot Me: Shares this trait with Metal Sonic.
  • Rocket Boots: In Sonic the Hedgehog 2, but only used in the 8-bit version and during his entrance animation in the 16-bit version.
  • Rollerblade Good: He achieves his super speed by the wheels in his heels in Sonic the Hedgehog 2.
  • Super Mode: At the end of Sonic 3 & Knuckles, he gains one by absorbing the power of the Master Emerald.
  • Super Speed: While his 16-bit Sonic the Hedgehog 2 encounter is sluggish, he is surprisingly fast in the 8-bit Sonic the Hedgehog 2 and ups the ante in his Sonic 3 & Knuckles encounters.
  • Suspiciously Similar Substitute: To Metal Sonic, though Sonic the Hedgehog 2 and Sonic the Hedgehog CD had overlapping development periods.
  • Took a Level in Badass: Considerably in Sonic 3 & Knuckles. In Sonic the Hedgehog 2, the robot was a clunky, sluggish drone that could be taken down in less than ten seconds. In Sonic 3 & Knuckles, it received a considerable upgrade, getting a sleeker design, as well as super speed both on the ground and in-flight, a devastating air-dash move, the ability to slide backwards, and is much more durable, managing to survive his encounter with Sonic during the game, and later taking on Knuckles.
  • Transforming Mecha: Shows up solely to do this at the beginning of Sonic the Fighters... and doesn't come back after that.


A minor antagonist of the series, a Badnik modeled after the good old Doctor himself note , the Big Bad of Sonic 3 & Knuckles in Knuckles's Story who instills chaos in Angel/Floating Island after Sonic defeats Eggman and possibly intended to reacquire the Master Emerald with the help of Mecha Sonic. Other than a playable appearance in Sonic R, and reappearances of his kind in Sonic Generations, this character has made very few appearances in the series.

  • Big Bad Duumvirate: With Mecha Sonic in Knuckles story in Sonic 3 & Knuckles.
  • Chuck Cunningham Syndrome: Inexplicably dropped from the series after 1997 aside from minor roles in party games, though it eventually made a reappearance in Sonic Generations. Sonic Mania prominently brought Eggrobos to the spotlight and even had implications that Heavy King was the Eggrobo of Knuckles story.
  • Dub Name Change: Only for one game — in the Japanese version of Sonic R, it is renamed Eggman Robo.
  • Dropped a Bridge on Him: Eggrobo. After spending the entirety of Knuckles's story as the primary antagonist, he gets destroyed by the Mecha Sonic right before the final boss battle begins. It managed to retain some minor roles since then but never as important as its initial role.
  • Energy Weapon: His only means of attack is a slow firing laser gun.
  • Flat Character: It is completely devoid of anything resembling a personality.
  • Flight: He can fly either with a built-in jetpack or by piloting the Eggmobile.
  • Game-Over Man: In the bad ending for Sonic, Eggrobo rises from the wreckage of a bunch of badniks.
  • Hoist by His Own Petard: The Sonic 3 & Knuckles Eggrobo is unceremoniously destroyed by Mecha Sonic just before you fight him — it was apparently intending to just hit Knuckles while Eggrobo pinned him in place with a giant claw arm machine, only for Knuckles to glide out of the way in time and cause Mecha to smash right through Eggrobo.
  • King Mook: The Eggrobo in Knuckles storyline looks identical to the other Eggrobo mooks in Sky Sanctuary, but unlike them is a recurring boss and doesn't appear to be powered by an animal.
  • Mecha-Mook: It's a robotic version of Robotnik.
  • Nonstandard Character Design: He is somewhat humanoid in appearance, quite a contrast from every other Badnik, which are almost always animal based.
  • One-Hit Point Wonder: The normal Eggrobos can be killed in one hit, but the recurring Eggrobo is usually protected from attacks by the Eggmobile — unless the opponent in question is Mecha Sonic.
  • Promoted to Playable:
    • In Sonic R.
    • Eggrobo is playable in Sonic Adventure 2's kart racing minigame, in the original as DLC, in Battle as a Secret Character.
  • Robot Me: Built in the image of Dr. Eggman himself.
  • Spell My Name with an "S": Originally EggRobo and occasionally Egg Robo before settling on Eggrobo. The physical instruction booklet of Sonic Mania even goes with yet another possible spelling, Egg-Robo.
  • Spiritual Successor:
    • The E-100s of Sonic Adventure are said to be based on Eggrobo, as laser firing humanoid robots based upon their creator. Notably many of Gamma's concept designs were a dead ringer for the Eggrobos.
    • The Egg Pawns from Sonic Heroes and onward are quite similar to the Eggrobos in conception and carry out the same purpose, but are much larger in number and variety.
  • Suspiciously Similar Substitute: To Dr. Robotnik in Knuckles' story in Sonic 3 & Knuckles, sans the boss encounter in Flying Battery.
  • Taught by Experience: He uses better versions of the bosses Sonic fought early in the Floating Island.

    Hard Boiled Heavies
Clockwise, from top-left: Heavy Gunner, Heavy Magician, Heavy Shinobi, Heavy King, Heavy Rider (and Jimmy).

An elite group of Eggrobos created by Dr. Eggman to investigate a mysterious new source of power, before growing into something not even the good doctor could predict.

  • Affably Evil:
    • Heavy Magician never fails to lift her Nice Hat in a gesture of courtesy to her enemy before trying to kill them.
    • Heavy King shows up at the end of Encore Mode with a huge bowl of ice cream.
  • A.I. Is a Crapshoot: Because they wouldn't be Eggman robots if this didn't happen to them.
  • Bad Ending Man: Heavy King takes Dr. Eggman's place as the one who juggles the Chaos Emeralds you failed to collect in the Bad Ending of Encore Mode in Sonic Mania Plus. Oddly, he doesn't juggle the Phantom Ruby with them, despite claiming it in the Ending cinematic.
  • Boss Rush: The standard final boss has the player alternate between attacking Eggman's machine and fighting four of the Heavies, although the battles aren't the same as the first time around.
  • The Comically Serious: Heavy Shinobi comes off as this, having the least amount of goofy moments and sprites while still being fairly silly (Ex. he's seen bouncing the Phantom Ruby on his head when the Heavies first appear and his design screams McNinja).
  • Continuity Nod: Heavy King does several to the Eggrobo of Knuckles storyline.
    • It has a unexplained grudge against Knuckles who is the only character able to fight outside of Encore mode.
    • He makes frequent use of the same claw-arm machine that the Eggrobo frequently used in S3&Knuckles.
    • He powers up with the Master Emerald identically to how Mecha Sonic used at the end of Knuckles path.
  • Cool Bike: The upgraded version of Jimmy is a robotic motorcycle ladybug, which admittedly looks pretty dang awesome.
  • Dirty Coward: Heavy Gunner is this Played for Laughs. When Sonic reflects one of Heavy Gunner's missiles, he freaks out and scatters, leaving an Eggrobo troop without the sense to flee to get hit by the missile instead.
  • Dragon with an Agenda: The Heavies actually start out as plain Eggrobos until the Phantom Ruby grants them unique personalities and appearances. They remain loyal to Dr. Eggman, but after Eggman loses the final battle at Titanic Monarch, Heavy King views him as an unfit leader and they start fighting over the gemstone.
  • Dual Boss: Super Sonic fights both Eggman and Heavy King for the final boss.
  • Dirty Cop: Heavy Gunner is designed to resemble a cop, not helped by the fact that the Eggrobos flanking him are all armed with nightsticks.
  • Epic Flail: Heavy Rider's Weapon of Choice.
  • Evil vs. Evil: Heavy King tries to overthrow Eggman during the final boss. Unlike with most usurpers throughout the series, however, Eggman keeps up a fight, with the two scuffling over the Phantom Ruby through time as they simultaneously battle Super Sonic.
  • Flunky Boss: Subverted with Heavy Gunner. Three regular Eggrobos flank him with batons, but they do nothing except block reflected rockets. When all three are gone, the next rocket defeats Heavy Gunner, effectively making them his HP.
  • Gratuitous Ninja: Heavy Shinobi, who throws shurikens and cuts Sonic with a katana that freezes him cold.
  • Grew Beyond Their Programming: At first, the Heavies were ordinary Eggrobos, but contact with the Phantom Ruby not only granted them with powers they didn't previously possess but also gave them self-awareness. At the end, Heavy King turns on Eggman for control of the Phantom Ruby.
  • Huge Rider, Tiny Mount: Heavy Rider rides a Motobug named Jimmy in her boss fight. She upgrades him into a much fiercer Motorcycle in Titanic Monarch Zone.
  • An Ice Person: Heavy Shinobi's katana freezes on contact. Thankfully, though, it deals no actual damage.
  • King Mook: Heavy King in particular is literally a Eggrobo King, though unusually Eggrobos are not regular enemies in the game.
  • The Last of These Is Not Like the Others:
    • The Heavies are fought in the Mania-original zones (Heavy Gunner in Studiopolis, Heavy Magician in Mirage Saloon, and Heavy Shinobi in Press Garden), except for Heavy Rider and Heavy King, who are fought in Lava Reef.
    • Heavy King isn't fought in the Boss Rush in Titanic Monarch; instead, he's one of the two True Final Bosses.
  • Master of Disguise: Heavy Magician turns herself into Fang the Sniper, Bean the Dynamite, and Bark the Polar Bear in Mirage Saloon Zone, losing the form when she gets hit.
  • Maybe Magic, Maybe Mundane: Since Sonic Forces reveal the Phantom Ruby induces illusions, it's called into question whether they are simply just illusions brought on by the Phantom Ruby, or if they are robots corrupted by the Ruby. The true ending of Encore mode shows that despite the Phantom Ruby being MIA, the Heavy King and ostensibly the rest of the Hard Boiled Heavies still are sticking around.
  • Mêlée à Trois: The True Final Boss fight consists of Eggman and Heavy King struggling to take control of the Phantom Ruby while Super Sonic fights to keep it out of both of their hands.
  • Oh, Crap!: Heavy Gunner's eyes bug out and flash with an urgent beeping when you knock a rocket back at him.
  • Quirky Mini Boss Squad: They serve as this for Sonic Mania.
  • Red Eyes, Take Warning: Except for Heavy King.
  • Shell Game: Heavy Magician as the Phantom Magician uses this. She hides under a massive cup which is shown at the beginning, then all three cups are shuffled around. The two she isn't under fire a Wave-Motion Gun.
  • Shout-Out:
    • Heavy Shinobi's attacks have a few sound effects from The Revenge of Shinobi.
    • The group as a whole is a minor homage to Super Sentai and Power Rangers. While not abnormal for a Quirky Miniboss Squad to have a Sentai theme, the colors of the Heavies - Red, Blue, Green, Yellow, Pink - are the colors of the first team in the former series, which went on to be the most used color set when a team has five core starting members in both series as a result.
    • The Motobug that Heavy Rider uses is named Jimmy; a reference to late ROMhacker Polygon Jim, who created a hack called "Motobug The Badnik", which had you play as a Motobug with an extending wheel when jumping. Jimmy in Mania uses an updated version of the jumping sprite from the hack and frequently speeds up akin to the usage of the sheer abundance of Speed Shoes powerups added in the hack.
  • Sorcerous Overlord: The Heavy King's staff lets him cast different "spells" if it's powered up.
  • Spell My Name with an "S": Their name is spelt as Hard-Boiled Heavies in various promotional sources, but the official website, digital manual, and the final game itself all drop the hyphen.
  • Staff of Authority: Heavy King's Weapon of Choice.
  • Stage Magician: The Heavy Magician has this routine down to a T, complete with stage, curtain, spotlights and a prop. (the box she uses)
  • The Starscream: Heavy King turns on Eggman after his defeat, intending to take the Phantom Ruby for himself.
  • Super Reflexes: Heavy Shinobi will pretty much immediately counter and freeze Sonic, Tails, or Knuckles with his ice sword as soon as they even try to get near him when he's standing around, their Super Speed be damned.
  • Tactical Suicide Boss: Heavy Gunner would be unbeatable if he didn't shoot the blue, reflectable rockets.
  • Took a Level in Badass:
    • The Heavies actually start out as plain Eggrobos until they became the more powerful Hard Boiled Heavies thanks to the Phantom Ruby that is implied to be related to Infinite.
    • When battling the Phantom Egg, you're occasionally sent to fight the Heavies once again with Phantom Forms. Heavy Gunner and Shinobi have emphasized weaponry at the cost of their limbs, Heavy Magician is relatively unchanged aside from using a Shell Game, and Heavy Rider is unchanged either, except that Jimmy is now a fierce-looking motorcycle.
    • In the True Final Boss, the Phantom Ruby empowers Heavy King to the point where he becomes one of the few bosses in the series to officially hurt Super Sonic.
  • Trigger Happy: Heavy Gunner is described as "a loose cannon that packs serious firepower".
  • Two Girls to a Team: According to the digital manual, Heavy Magician and Heavy Rider are female, putting this into play.
  • The Unfought: Knuckles is the only one who confronts the regular form of Heavy King, and even then, the King uses the power of the Master Emerald. Super Sonic fights a Phantom Ruby-enhanced form, who flies and doesn't use his scepter. And since she's the last one to appear, if the player is fast enough, Knuckles will never end up facing Heavy Rider in exchange.
  • What Happened to the Mouse?: The Hard Boiled Heavies all have unresolved fates; none of them are destroyed when beaten normally, and they cannot be destroyed in the Final Boss, leaving only Heavy King's fate to any apparent resolution when defeated by Super Sonic. According to a Famitsu article, Encore mode reveals what happened: All of them were destroyed except Heavy Magician, who went to strike out on her own, ultimately reclaiming the Phantom Ruby and handing it off to Heavy King to revive the whole group.
  • Your Size May Vary: In promotional art and the opening animation, the Heavy King is about the same size as Heavy Gunner. Meanwhile, his in-game sprite shows him larger than all the other Heavies.

    E-102 Gamma

"Doctor Robotnik... Enemy. Master Registration... Deleted. E-Series... Friends. Must save..."

Voiced by: Joji Nakata (Japanese, games), Steve Broadie (English, 1998), Jon St. John (English, 2004)

An intelligent creation of Dr. Robotnik's who is convinced by Amy to rebel against his creator thanks to the memories of the bird trapped inside, and who goes on to liberate those trapped in the other E-Series robots.

  • Affably Evil: Despite working for the evil Dr. Eggman, Gamma's kindhearted nature means he doesn't do anything malicious of his own accord; anything evil is only done on Eggman's orders and he's a Nice Guy otherwise.
  • A.I. Is a Crapshoot: Inverted; he was intended to be a Killer Robot, but ended up turning good.
  • Anti-Villain: Started out as a Noble Demon before his Heel–Face Turn.
  • Arm Cannon: He has this along with his brethren.
  • Back from the Dead: He appears as a playable character in Sonic Shuffle, having been brought back through the power of Maginaryworld's dreams. It didn't stick, however.
  • Beta Test Baddie: In contrast to the original Gamma (who fought against an example, E-101 Beta), "Chaos Gamma" was such. Upon Emerl being discovered by Eggman the doctor used a Chaos Emerald presumably intended for Gamma to power him. Chaos Gamma held a grudge against Emerl over this.
  • Bittersweet Ending: Unusually for a Sonic game, Gamma's story ends like this. He succeeds in his mission to "free" the E-series, but takes critical damage courtesy of his battle with brother Beta and is soon to destruct. Before Gamma's demise, he gets a vision of the Flicky inside him with its family. As the robot explodes for his sacrificial mission, the pink flicky inside Gamma is free to reunite with its mate, the final shot of Gamma's ending being a still of the entire Flicky family flying together happily. The final story continues adds more sweetness by revealing Gamma's pink Flicky accompanied Amy to help Sonic, thus fulfilling the promise that they'd meet again in some way.
  • Came Back Wrong: He comes back without issue in the dream world in Sonic Shuffle, but in Sonic Battle, "Chaos Gamma" appears to be a rebuilt version of the original E-102 Gamma with no personality. This Gamma pulls another Heel–Face Turn after Cream reasons with him.
  • Captain Obvious: After being told to head to a (for him) unassuming destination, he stumbles upon his older brother being modified in a manner that is implied to be painful. His response upon slowly walking out and shutting the door behind him?
    "This is the wrong room."
  • Death of Personality: At the end of Gamma's story, Gamma allows himself to be destroyed along with Beta, however the Flicky inside him survived. There's an implication that the pink Flicky carried on part of Gamma's consciousness as Gamma received memories of the bird's family after seeing its mate. After Gamma's destruction, the Flicky notably retained Gamma's close bond with Amy.
  • Death Equals Redemption: Though, he never did anything truly evil while working for Eggman aside from assisting Chaos as ordered, he still decided to make everything right by destroying/freeing his brothers, before his final death. Of course, this overlaps with Heroic Sacrifice.
  • Death Seeker: If you listen closely to his theme song, the distorted voice in the background repeats: "It's my pleasure. Ready to die."
  • Duel to the Death: He had one with Sonic, until Amy intervened. The winner of the battle is unclear, however. Later he has one with an upgraded E-101 Beta. Neither of them survive.
  • Doomed Protagonist: He sets upon freeing his brethren's animal forms. As he reassesses his progress, he adds himself to his mission log, making clear he intends to kill his own robot form following it's completion. E-101 Beta does the job for him.
  • Evil Cannot Comprehend Good: When ordered by Eggman to retrieve the bird accompanying Amy, he calmly asks that she give it to him, but she refuses. He can't understand why she would care about said bird, because what use is it to her? Fortunately, this is the beginning of his Heel–Face Turn, as he frees them shortly afterward.
  • Expository Pronoun: In Japanese, he initially refers to himself as "watashi" (a formal neutral pronoun), but switches to "boku" (an informal masculine pronoun) near the end of the story. This serves to indicate that he's become more independent through his Heel–Face Turn.
  • Expy: Gamma and the E-Series are mentioned in concept artwork as being based off the Eggrobos.
  • Eyes Always Shut: His Sonic Shuffle model depicts him as such.
  • Foil: To Omega, the last robot in the E-Series. Gamma is comparatively Lean and Mean and attacks with precise and accurate shots. Omega is notably bulkier and just attacks everything at once regardless if it hits or not.
  • Heroic Sacrifice: He makes saving the animals from Badniks, mainly the E-Series, his mission. He's also a E-Series robot powered by an animal, so he self destructs at the end of Sonic Adventure, to free the last trapped bird.
    Gamma: Units remaining... (gazes at hand) ...Gamma...
  • Image Song: "Theme of 'E-102 Gamma'" though it doesn't contain any lyrics besides "It's my pleasure. Ready to die." and "Get Emerald".
  • Killed Off for Real: At the end of his story, Gamma died and stayed dead. There were a couple of half-hearted attempts to revive Gamma in spinoffs, but these stopped once Omega was introduced, and "Chaos Gamma" is really more like a Back Up Twin anyways.
  • Law of Chromatic Superiority: He's red and succeeds against his supposedly more advanced brethren.
  • Machine Monotone: Speaks in a deep, perpetually mellow voice.
    Gamma: This presents a problem...
  • Minion with an F in Evil: Ultimately turns out to be one after gaining self awareness.
  • Mutual Kill: With Beta.
  • Nice Guy: He's one of the nicest characters in the series. He even helped Amy and lets her go during his story upon meeting her.
  • Noble Demon: For most of the early half of his story, due to his limited sentience and over-logical programming, his "evil-doing" is never personal.
  • Power Floats: He can hover above the ground, and also fly with the help of a built-in Helicopter Pack.
  • Recycled In Space: Gamma's entire story arc is a dime-a-dozen "Ronin Samurai who turns against his master to strike out on his own" story retold in the form of a robot foot-soldier. Notably, his story arc was deliberately left unfinished in favor of a different character in the Archie Comic adaptation, specifically because the writers quipped that his story was "something you've seen a hundred times if you're a devotee of samurai movies".
  • Red Is Heroic: The batch of E-100 robots he belongs to are Color-Coded Characters. Gamma is only one of the five to make a Heel–Face Turn, and is naturally assigned the color red.
  • Robot Buddy: His Heel–Face Turn is pivoted by Amy becoming his friend in what little interaction they have.
  • Robot Me: Downplayed, but his shape and Red/Black coloring bring to mind his creator.
  • Samus Is a Girl: He is powered up by a pink Flicky (or to be specific, the mother of the Flickie that Amy is helping), preventing Amy from being a victim of the Smurfette Principle.
  • Token Good Teammate: He's the only one of the E-Series robots who is neither blindly loyal to Dr. Eggman nor a Robotic Psychopath, thanks to two things: Amy showing kindness to him and his seeing Beta get heavily modified.
  • The Unfavorite: Eggman claims that he's not as advanced as his "older brother" Beta, and is surprised when he beats Beta and earn the right to be part of the Egg Carrier's crew. However after he successfully locates the frog with Chaos' missing tail, this trope reverses as Gamma actually seems to hold the honor of Eggman's favorite creation for a while, even being rebuilt a few times (granted these were loyal copies with none of the original's memories).
  • Unwilling Roboticisation: He, along with his brethren, are powered by small animals inside their chassis acting as a battery. Gamma at points gets flashes of memory from its bird host. Gamma upon his Heel–Face Turn takes it upon him free the animals inside his brothers and ultimately himself.
  • We Hardly Knew Ye: He only appeared in three games, and was replaced by Omega in all subsequent games.
  • Wham Line: Spoken just before his final boss fight becomes available, when he's listing off the E-100 series units he's yet to destroy.
    Gamma: E-105 Zeta rescue complete. Units Remaining: Gamma... Beta...
  • What Measure Is a Mook?: His storyline shows an interesting perspective on the animal powered robots built to serve Eggman.
  • White Sheep: Of Eggman's army and the E-Series in general. This is the reason why Amy defends him from Sonic in Sonic Adventure. He's also nowhere near as violent or destructive as his "younger brother" and fellow Eggman-betrayer E-123 Omega.

From top left to bottom right: Buzz Bomber, Crabmeat, Caterkiller, Balkiry, Moto Bug, Nebula, Snail Blaster, Spinner and Egg Pawn.

The robots used by Dr. Ivo "Eggman" Robotnik to aid in many of his schemes, traditionally (but not always) powered by various animals as organic batteries.

  • And I Must Scream: In at least some of the games they are powered by animals who have been trapped inside them and are helpless to do anything. Fortunately Sonic can set them free by destroying the badnik.
  • The Bus Came Back: They've made a return to the series in Sonic Colors and have been featured in some subsequent games alongside the newer enemies like the Egg Pawns.
  • Demoted to Extra: In Sonic Adventure 2 the G.U.N. Robots take their place as the primary enemy encountered in most levels. As a result, the Badniks only appear in a handful of levels throughout the game.
  • Drill Mole: Starting with the Burrobots in the first game, Eggman has consistently used mole themed robots that almost always have tank treads for feet and a drill for a nose. On an interesting note, the original Burrobots were probably the most technically impressive models, showing a surprising amount of movement options for sidescrolling Video Game Mooks, being able to change direction, jump. and climb up walls with ease.
  • Elite Mooks: A lot of the late game ones are notably tougher than the norm, such as Slicers, Asterons, and Shellcrakers. Many players have been blindsided by these guys much to their frustration.
    • There's also the giant, hammer wielding Egg Pawns from Sonic Heroes. They can only be destroyed with the Power member of the team, or with a Team Blast. And those have an upgrade as well which can't be destroyed at all without either a Team Blast or attacking its very small weakpoint on its head, which is covered by a helmet that must be removed.
  • Giant Mook: Sonic Colors and Sonic Generations feature giant versions of Buzz Bombers and Moto Bugs, although they can't be destroyed in the latter, only bounced off.
  • The Goomba: Lots of first level enemies, but the most notable and iconic is probably the Moto Bug. Its only attack is to try and ram the player....veeerry slowly. The weaponless Egg Pawns as well.
  • Mecha-Mooks: Naturally.
  • Put on a Bus: The classic Badniks were mostly exercised from the series after Adventure.
  • Theme Naming: The E-100 Series are all named after the Greek Alphabet.
  • Unwilling Roboticisation: A great number of them are powered up by a trapped animal in their interior.
  • Zerg Rush: Two boss fights in Sonic Heroes is pretty much fighting an army of these guys in succession.

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