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Eggman Empire

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Welcome to the Eggman Empire!
~ Dr. Eggman, founder and ruler of the Eggman Empire.
Now begins the glorious era of the Empire of Eggman!
~ Dr. Eggman about his dream of his evil dictactorship called the Empire of Eggman (Eggman Empire).
Long live the Eggman Empire!
~ A motto of the Eggman Empire as said in the "Dark Side" teaser trailer of Sonic Adventure 2.

The Eggman Empire, also sometimes called the "Empire of Eggman" and the "Robotnik Empire", is a totalitarian empire consisting of robots and scientists led by the mad genius Dr. Ivo "Eggman" Robotnik which it is named after, and it is a recurring antagonistic faction in Sonic the Hedgehog series. The Empire's headquarters change constantly in the video games, but in the cartoons (as depicted in a Sonic the Hedgehog episode "Sonic Boom") and comic books the imperial capital is called Robotropolis. For most cases, the Eggman Empire's structure is a technocratic one. In general, as far as the social order of each continuity's Eggmanland spans out, robots and scientists employed by Eggman are granted greater social status than that of other denizens.

In the Sonic the Hedgehog universe, Eggmanland, also known as Robotnikland (per Sonic Adventure series), is a super city that Sonic the Hedgehog's nemesis, Dr. Eggman, often speaks of and is meant to serve as the capital of the Eggman Empire, from where the doctor plans to spread his rule from. In some continuities it is a country that he has already established; in others, he only has plans for it.

Wherever Eggman is setting his operations, his empire's logo appears on robotic creations, vehicles, battleships or weaponry. Many in-game obstacles and structures have Eggman's logo as well. The said logo is the smiley face of Doctor Eggman himself.

The EG Emblem

The iconic and stylish emblem of the technocratic dictatorship EG (aka the Eggman Empire).

The early known, stylistic "EG" logo can be found at wings and doors of Wing Fortress Zone in Sonic the Hedgehog 2; it can also be seen on Grounder-type badniks and on the brown driving seat of Egg Typhoon from Sonic Drift. An Eggman-looking decal is then seen in Sonic Adventure, depicting Dr. Eggman's classic design despite the good doctor getting redesigned in this game. Eggmanland logos are everywhere on Robotnik's hidden pyramid base in Sonic Adventure 2.

The Eggman Empire Decal

The iconic decal of the Eggman Empire as seen on one of the ships of the Eggman Fleet.

Sonic Heroes features another logo on the Eggman Fleet, which also appears in Shadow the Hedgehog as well. Since Sonic Unleashed, Eggman used a different logo which fits his modern appearance.

The Said logo is seen on the Flag of Eggmanland. A recent logo of his empire is then used since Sonic Colors, and the said decal has also been adapted as the official logo of his small namesake corporation called Eggman Enterprises.


While the Eggman Empire refers to all the areas under the control of Dr. Eggman, the capital of the Eggman Empire did not actually exist in the video games before Sonic Unleashed; Eggman has been striving to establish it with various plans, several of which involved the use of the Chaos Emeralds, befriending mythological deities or a combination of both.

Originally the empire has not being referenced in the English versions of the first main installments of the series, as Eggman is mostly told to being after Chaos Emeralds, kidnapping animals and turning them to his royal badniks or building the Death Egg in original instruction manuals, although it is implied that building his empire would be the next step after completing his early operations. However, the Japanese versions had Dr. Eggman trying to establish Eggmanland since the very first Sonic the Hedgehog

In Sonic CD, Dr. Ivo Robotnik temporarily succeeds in creating a complete "Eggmanland" in the future world of the Little Planet by altering the past - this dark future is mainly a bleak post-apocalyptic world with all of Robotnik's robots being broken down and the scenery rusted and deteriorating. This could either mean 2 things: either Robotnik's desired utopia is doomed to failure or that he has no regard to whatever happens to the planet environmentally, as long as it is under his control.

Eggman first mentions about his empire in Sonic Adventure as "Robotnikland", which he can build over the ruins of the Station Square after destroying it. To achieve that goal he releases Chaos from the Master Emerald, then tries to collect Chaos Emeralds in order to get Chaos to its full and perfect form, intending to command the god of destruction. In Sonic Adventure 2, the names "Eggman Empire", "Robotnik Empire" and "The Empire of Eggman" were used. These names can be seen on the blue screen during Eggman's proclamation of his intentions to the world (as mentioned in the Dark Story cutscene "Eggman Empire").

Occasionally Robotnik was toppled down by different usurpers. In Sonic Heroes, Metal Sonic imprisoned Eggman and took control of the empire, and in Archie Comics comic books a faction known as the Iron Dominion had power over the forces of Eggman Empire while Dr. Robotnik went mad and had to be detained. In Sonic Rivals and its sequel Sonic Rivals 2, Eggman Nega disguises himself as Dr. Eggman and takes control of Eggman's empire.

In Shadow the Hedgehog, the Eggman Empire is one of the factions that Shadow can align himself with along with G.U.N. and the Black Arms. When fighting for the Eggman Empire, Shadow is guided by Eggman, who communicates with him from a hovering TV-like apparatus.

In Sonic Unleashed, Eggmanland does exist as one of the game's stages, created through the power of Dark Gaia and looking like a twisted mixture of a carnival and a factory. In Sonic Chronicles: The Dark Brotherhood, it is shown in the cliff-hanger ending that Robotnik has finally been victorious in his conquests while Sonic and company were in the Twilight Cage (as a result of the huge time difference between 2 dimensions).

Prior to the events of Sonic Colors, Eggman has taken over numerous planets, which are populated with Wisps. Eggman uses Wisps and their powers as an energy source of mainly fueling the Mind Control Ray and badniks. All these planets are connected to Dr. Eggman's Incredible Interstellar Amusement Park, which also has a giant mind control ray, that originally Eggman would use to get everyone at Sonic's world under his control after getting enough of Wisp's life energy. However, due to the energy leak, the large mind control ray malfunctions, creates a black hole and destroys the entire amusement park.



Egg Bosses

Note: All these characters are exclusive to Archie Comics'


Note: The term Grandmaster no longer exists, Grandmasters have been replaced by Egg Bosses. Note: All these characters are exclusive to Archie Comics'

  • Lien-Da - former Grandmaster of the Dark Legion. Status: Lost to another dimension.
  • Dimitri - former Grandmaster of the Dark Legion. Status: Betrayed by Lien-Da, dissapeared after Super Genesis Wave.
  • Lord Hood - Grandmaster of Mercia. Status: Active
  • Duck "Bill" Platypus - Grandmaster of the Downunda Dark Egg Legion. Secretly double agent. Status: Unknown.
  • Drago Wolf and Razorklaw - joint Grandmasters of the Soumerca Dark Egg Legion. Status: Dissapeared after Super Genesis Wave (Drago) Unknown (Razorklaw).
  • Akhlut - Grandmaster of the Northern Tundra Dark Egg Legion. Status: Dissapeared after Super Genesis Wave.
  • Beauregard Rabbot - Grandmaster of the Great Desert Dark Egg Legion. Status: Unknown.
  • Conquering Storm- Grandmaster of the Dragon Kingdom Dark Egg Legion. Status: Unknown.
  • The Foreman -? Grandmaster of the Nerb Dark Egg Legion. Status: Unknown
  • Iron Queen and Auto Snively - joint Grandmasters of the Eurish Dark Egg Legion. Status: Unknown.
  • Hugo Brass - former Grandmaster of the Eurish Dark Egg Legion. Status: Demoted, currently unknown.
  • Grand Battle Kukku 15th - freelance Grandmaster of the Mobian Ocean. Status: likely Active.
  • Diesel- former Grandmaster of the Efrika Dark Egg Legion. Status: Dissapeared after Super Genesis Wave.


Note: The term Sub-Boss no longer exists, Sub-Bosses were replaced by Grandmasters, who were then replaced by Egg Bosses. Note: All these characters are exclusive to Archie Comics'

  • Iron Queen and Iron King - Sub-Bosses of the Dragon Kingdom. Status: Unknown.
  • Valdez - Sub-Boss of Angel Island. Status: De-Roboticized.
  • Crocbot - Sub-Boss of Downunda. Status: Destroyed.
  • High Sheriff - Sub-Boss of Mercia. Status. De-Roboticized, now deceased.
  • Octobot- Sub-Boss of the Mobian Sea. Status: Destroyed.
  • Jaws - Sub-Boss of the Mobian Sea. Status: Destroyed.
  • Kage Von Stryker - ?


Note: All media



  • The Eggman Empire's alias "EG" is also the abbreviation of the real-life professional gaming organization Evil Geniuses.

Sonic the Hedgehog Villains

Video Games
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Cartoons & Anime
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