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Take a good look at yourself, Sonic. (…) It's the last look you'll get before I close your eyes forever! Hoo hoo hoo!
~ Eggman prior to the Death Egg battle in Sonic Generations.
Wow… Will I really get that crazy?
~ Robotnik's response to Modern Eggman's laughing.

The classic counterpart of Dr. Eggman is a younger version of his modern self from an alternate dimension. He desires to destroy Sonic the Hedgehog and conquer his world. Even assisting the Modern Eggman in an attempt to achieve these goals.


Sonic Generations

Classic Eggman is first heard after both classic and modern versions of Sonic enter through the first boss gate in White Space. He battles Classic Sonic aboard the Death Egg using his Death Egg Robot (or his Big Arm mech on the 3DS handheld console) but is soon defeat and trapped inside the machine’s wreckage. Before he could escape however, the Time Eater appears and kidnaps Eggman, who all the while begs Sonic to save him.

He eventually reappears before the final boss fight at the center of time and reveals himself to be one of the masterminds behind the Time Eater alongside Modern Eggman. Both villains worked together to improve the Time Eater’s abilities so it can erase their past failures and enemies. But using the Chaos Emeralds, both Sonic’s achieved their super forms and defeated the mad scientists once again.

Classic Eggman is then left trapped in White Space to wander aimlessly with Modern Eggman. He questions his older self about his future and is left a little less hopeful when discovering that he never wins against Sonic the Hedgehog.

Sonic Mania

After learning about an unusual power source on Angel Island that wasn’t the Master Emerald, Dr. Eggman sent out a group of elite EggRobos to retrieve it. Meanwhile the doctor traveled to Green Hill Zone with his Death Egg Robot in an attempt to eliminate Sonic and/or his allies. Upon his defeat, Eggman met with the EggRobos he sent out earlier, which have been transformed into the Hard-Boiled Heavies by a gemstone they obtained called the Phantom Ruby. Eggman orders the Heavies to give him the stone but resorts to just snatching it when they ignore his demands. Throughout the game, Eggman tried various vehicles to destroy the heroes and used the Phantom Ruby’s power to hinder their progress. Eventually he had a final showdown with his foes in Titanic Monarch Zone, piloting his Phantom Egg vehicle while receiving some extra help from the Heavies. Depending if the player has all Chaos Emeralds as Sonic, Eggman will either be left to throw a tantrum after his defeat or he will fought again at Egg Reverie Zone alongside the Phantom King for the Phantom Ruby.

Sonic Mania Plus

In Encore Mode, Dr. Eggman will again try to conquer the world with the ruby. This time however, should the player collect all the modes Chaos Emeralds and beat the Phantom Egg, Eggman will attempt to make his escape in a rocket sled before being knocked aside by the heroes in their super forms and get sucked into portal made by the Phantom Ruby.

Sonic Mania Adventures



Doctor Eggman has a round egg-shaped body, large arms, very thin legs with long feet and sports a huge brown mustache that grows out just under his long pink nose. He is always seen wearing a pair of round blue glasses that covers his eyes while the rest of his consists of a red shirt with a yellow cape which parts into two triangular shapes around the front of the outfit, a pair of white gloves and black pants/leggings that have two big silver buttons near the rim.


Classic Eggman’s personality is very similar to his modern counterpart but is less unhinged and more calm and calculating. This is because the pressures from numerous defeats have yet to really take their toll on his mind. After witnessing a display of madness from his alternate self, Eggman began to question his future and worries that he would also become just as crazy one day. However these thoughts did not seem to change the doctor, as he continues his attempts at global conquest.





  • It is currently presumed that the Classic Eggman’s world became a separate dimension from the main “Modern” one after the Time Eater created a point of divergent in the time-stream during Sonic Generations; in accordance with the many worlds interpretation theory. The “Classic” world now stands as an alternate take on Sonic’s history from that point. While after Sonic 3 & Knuckles is the Sonic the Hedgehog 4 Episodes in the Modern world’s history, the Classic world’s history moves onto Sonic Mania instead.
  • It is speculated that Classic Eggman will make an appearance in the next Modern Sonic game as he was knocked into a Phantom Ruby portal at the end of Sonic Mania's Encore mode, Similarly to how classic Sonic was before being transported to Modern Sonic's world in Sonic Forces.


           Sonic Villains

Eggman Empire
Dr. Eggman | Orbot | Cubot | Metal Sonic | Mecha Sonic | Silver Sonic | Mecha Knuckles | Badniks | Tails Doll | E-100 Alpha | E-101 Beta | EggRobo | Eggman Enterprises | MeteorTech | SCR-HD | Master Core: ABIS | Time Eater | Jackal Squad | Infinite | Replicas

Team Dark
Shadow the Hedgehog | Rouge the Bat | E-123 Omega

Team Hooligan
Fang the Sniper | Bark the Polarbear | Bean the Dynamite

Babylon Rogues
Jet the Hawk | Wave the Swallow | Storm the Albatross

Eggman Nega's Forces
Eggman Nega | Metal Sonic 3.0

Deadly Six
Zavok | Zazz | Zeena | Master Zik | Zomom | Zor

Black Arms
Black Doom | Devil Doom | Eclipse the Darkling

Nocturnus Clan
Imperator Ix

Dr. Eggman | Hard-Boiled Heavies (Heavy King) | Metal Sonic

Sonic Boom
Charlie | D-Fekt | Dave the Intern | Dr. Eggman | Hypnobot | Lyric the Last Ancient | Metal Sonic | Morpho | Shadow the Hedgehog | Swifty the Shrew

Babylon Guardian | Bearenger the Bear | Biolizard | Black Knight | Captain Whisker | Carrotia the Rabbit | Chaos | Dark Gaia | Dark Gaia's Minions | Dr. Fukurokov | Erazor Djinn | Fockewulf the Wolf | King Boom Boo | Iblis | Ifrit | Super Sonic | Mephiles the Dark | Merlina | Scorpius | Solaris | Wendy Witchcart