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Mobius is the planet that the Sonic the Hedgehog characters are from in Sonic the Hedgehog television series, Adventures of Sonic the Hedgehog, Sonic Underground, and Sonic the Hedgehog comic series published by Archie Comics. Mostly anthropomorphs live there. The equivalent planet in the video games is not often named, but is sometimes referred to as the earth, that is recently renamed "Sonic's world".

Mobius is considered as one of common elements for early Sonic canon and has been used frequently in the western media of the franchise. Later drafts of the Sonic Bible provided the first reference to Mobius as Sonic's home planet. It is then later used in the writing of the Sonic the Hedgehog promotional comic and guidebook Stay Sonic.

Game appearances

Main article: Earth

Planet Mobius (モビアス Mobiasu?) makes its first and only appearance in every storyline of Sonic the Hedgehog Spinball. Even Japanese localization (that doesn't used the term at all) mentions the Mobius as setting on the storyline. In it, Dr. Robotnik's most diabolical plan yet is to turn the Animals of the planet into robots by mechanizing Mt. Mobius into the "Veg-O-Fortress", which utilizes the Pinball Defense System to eliminate intruders. Tails flies Sonic to the fortified mountain to collect the Chaos Emeralds and stop his plans.[1] It is never explained if Planet Mobius is supposed to be the usual world the rest of the games take place on, or if they somehow traveled there.

Some other early video games (such as Sonic the Hedgehog CD[2] and Sonic the Hedgehog Triple Trouble[3]) also used the term "Mobius" in their respective storylines. However, this was added by the English manual localization of those titles, as the planet's name was never explicitly mentioned in original Japanese sources. Re-releases also tend to rewrite the storyline to be closer to the original language release, so this usage was phased out.

Mobius was also mentioned as setting in Dr. Robotnik's Mean Bean Machine,[4] but this particular game was expressly set in the Adventures of Sonic the Hedgehog cartoon universe due to it merely being a conversion of the Japanese puzzle game Puyo Puyo for western audiences.

Adventures of Sonic the Hedgehog

Mobius Adventures of Sonic the Hedgehog

Mobius in Adventures of Sonic the Hedgehog.

The animated series Adventures of Sonic the Hedgehog provided one of the earliest versions of the planet Mobius. The overall look of the planet was cartoony and the population ranged from the series' standard humans and anthropomorphic animals to sausage people and other oddities. The strangest thing of all is that there are a few places from earth like the Statue of Liberty, Egypt, or England; making it though as if it's a different cartoony Earth.

In this continuity, the place is completely free like its video game counterpart, with Dr. Ivo Robotnik just trying time and time again to take it over (and usually failing miserably).

Sonic the Comic

Mobius Sonic the Comic

Mobius in the Sonic the Comic comic book series.

Sonic the Comic, a UK-based comic published by Fleetway Editions, and certain other books, provided a Mobius backdrop far more consistent with the style of the first few games. Once again, the inhabitants of the planet were anthropomorphic animals. Sonic the Comic notably divided the planet up into "zones", each with its own distinctive landscape and climate, in a similar manner to the early games. Key Zones were the Emerald Hill Zone, home of Sonic and a frequent target for Robotnik; the Metropolis Zone, here a capital city (with its skyline looking much like Mega-City One) for the planet and Robotnik's base of operations, via his Citadel Robotnik building; Casino Night Zone, given residential areas and the haunt of recurring gangster villain Max Gamble; Chemical Plant Zone, setting for the Tails' 'Zonerunner' stories; and Mushroom Hill Zone on the Floating Island, where the Emerald Hill Folk hid to escape Robotnik. Original Zones, like the Stone Tower Zone and the upper-class Eldorado Zone, were also created.

In this version, Robotnik eventually took over the planet[5] and ruled as dictator for years, using his subjects as slaves and forcibly turning them into Badniks. He was eventually overthrown and went into hiding, however.[6] A recurring theme through the latter half of the comic's run was that there had once been a war on Mobius between an ancient echidna race (of which Knuckles is one of the last survivors) and the Drakon Empire. The Chaos Emeralds (important in this continuity, as in the games) were a product of that ancient war, and both the Aquatic Ruin Zone and Flickies' Island were old Drakon outposts.

In one issue of the comic, Amy Rose and her friend Tekno traveled to the dawn of life on Mobius, here shown to be caused by a team of scientific dinosaurs in spacesuits who worked for what was hinted to be God.[7]

Mobius was established as an entirely separate world from Earth. In an early Sonic's World strip, the Kintobor Computer claimed that Mobius was in a small galaxy that was "117,63222 light years from Earth", in a parallel dimension, in a different time zone and the whole region is made up of dark matter.[8] Despite this, later stories revealed that travel between the two worlds was possible. Amy and Tekno traveled to the planet Earth several times. On the first occasion, they were accidentally teleported into space and subsequently arrived on Earth by spaceship where they were mistaken for aliens.[9] They later returned to Earth on their trips through the Ring of Eternity,[10] and as a result of this story, rogue British military forces led by Colonel Granite subsequently invaded Mobius before being hurled out, seemingly by nature itself.[11] An even later story showed that, due to their highly similar ecosystems, Earth & Mobius were twin planets.

In addition to Earth, Mobius frequently interacted with other dimensions, most notably the Special Zone, but also including Tantaragor[12] and the Shadow Dimension,[13] among others. The Ring of Eternity, claiming to be the spirit of Planet Mobius itself, revealed that Mobius was an "important centre-point between dimensions".[14]

The subsequent fusing of the energies of Mobius with the enlarged sub-atomic world of Shanazar caused portals to open to various worlds and dimensions on Mobius, including various points in time in Earth's history. The comic ceased its run after adapting Sonic Adventure, though judging by the way they dealt with the events of that game, it is unlikely the writers would have done anything to change this view of the planet.

During a brief period when Robotnik became a god thanks to the Chaos Emeralds, he altered history so that Sonic was never born. The result was a rather horrific, dystopian world: Porker Lewis was a servant of Robotnik, Amy Rose and Johnny Lightfoot were frightened civilians, Tails was dead, and the Emerald Hill Zone was a metal wasteland.[15]

Sonic the Hedgehog (television series)

Although it was never mentioned in the television show itself, Season 2 head writer Ben Hurst mentioned that he had intended for later seasons to establish Mobius as a future Earth but the series was canceled before such plans would be solidified. The society of SatAM's Mobius consists of anthropomorphic animals called Mobians, ruled by a dictator known as Dr. Robotnik (formerly called Julian) who aims to replace Mobian life with robots via roboticization.

Archie Comics


A map of Mobius. (Pre Super Genesis Wave.)

In the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics, the writers eventually revealed a similar "future Earth" idea to that intended for SatAM, presumably as a result of the Sega of Japan's decision to do away with Mobius and present it as Earth. Mobians were revealed to be by-products of a genetic bomb dropped many millennia ago by an alien race known as the Xorda. This bomb apparently caused some animals to incorporate a great amount of human DNA. The same bomb also created Overlanders (see below). Contrary to this "Mobius-is-Earth" retcon, earlier comics had stated that Mobius exists in an entirely different universe from our own that can be reached through the Cosmic Interstate, an intergalactic road that connects different universes and realities across time and space. A possible way to rationalize this is to state that the time between the various realities in Sonic is not always in sync. While the two ideas appear to conflict, it is possible that they are both true, with Mobius being the future of another dimension's Earth; in this dimension, Earth would have had the aforementioned cataclysm and then evolved into Mobius.

Overlanders and humans in Archie

Attempting to reconcile the presence of the obviously human Dr. Robotnik with a planet occupied mostly by Mobians, the Archie writers created the concept of Overlanders, four-fingered humanoids in constant conflict with Mobians. The Overlanders and Mobians famously fought in a Great War, during which the traitor Dr. Robotnik helped the Mobians and gained the King's trust. When Mobius was revealed to be Earth, the Overlanders were explained as descendants of human beings who evolved and overcame the Xorda's genetic bomb.

After their defeat in the Great War, a group of Overlanders traveled to space seeking out a better life though their journey would eventually take them back to Mobius though not before having a chance encounter with the Xorda which would serve as the cause for the alien's return.

In addition to Overlanders, Mobius has a smaller population of somewhat friendlier humans, who are identical to modern-day human beings who do not share the feelings of racism towards Mobians that seem common to the Overlanders. They survived the Xorda bomb unharmed as they were on board a passenger jet in mid-flight during the attack and crash landed beside a giant mountainous cavern in which would eventually become the human built-city of Station Square. These humans were rediscovered during the time at which the comic's adaptation of Sonic Adventure takes place. Overlanders and humans, despite their minor differences, now occupy a common home in Station Square though as can be pointed out through several appearances in events that proceed the Overlander retreat to space, it would appear that the presence of Overlanders on Mobius is not limited to just Station Square. The United Federation which Station Square founded is currently allied with free Mobians to fight the Eggman Empire.



Approximately 12,000 years ago, during the 21st century of the "old world" when Mobius was still known as "Earth", an alien race known as the Xorda came to the planet to offer an alliance to its human population. However, the emissary they dispatched was captured, studied and subsequently dissected by a group of scientists led by Ivan Kintobor, a leading scientist at the time. Ivan had hoped to use the captured alien and its technology to produce the robot Isaac as well as numerous other creations. His methods however proved antagonistic towards the Xorda. To prepare for the coming disaster, mankind established several hidden cities to ensure that at least a fraction of the human race would survive. In no time at all, the aliens bombarded the planet with Gene Bombs with the intention of exterminating all life on the planet. All life, plant and animal, had its cells ripped apart and was melted into primordial ooze. However, DNA from the animal population fused with DNA from the former human population, causing Mobians and Mobini to appear out of the ooze. On the other hand, raw human DNA fused with each other, forming Overlanders. The planet Earth ended, and Mobius had begun. This is what is known as the first legendary Echidna Day of Fury. (StH: #124, #148)

Early History

Approximately 10,000 years ago, the planet suffered a massive environmental cataclysm. The Gene Bombs were supposed to preserve Earth's environment as it was when it was attacked. However, their interaction with the planet caused massive volcanic reactions, earth quakes, and massive storms, hurling billions of tons of ash and dirt into the air. This is what is chronicled as the First Day of Fury in Echidna theology. (StH: #148):

How the echidnas would have records of this time is unknown, as Mobians were still in very primitive stages or not around at all yet. It is possible they learned of this event from geographical remnants of the events, or they located records of it left over from the destroyed Earth's population.

Shortly after this cataclysm, the event known as the "Coming of the Chaos Emeralds" (which lead to the extinction of the Mobosaurs) occurred - a direct result of the Gene Bombs' radiation blending with beryl deposits deep within the planet's surface. This gave birth to the omnipotent beings known as the Ancient Walkers and provided immortality to Mammoth Mogul, when one of the descending Chaos Emeralds embedded itself in his chest. (StH: #148, TMS: #3, SMM)

The origin of the Chaos Emeralds has been brought into question given that Isaac was revealed to have corrupted data. However, given the robot's accurate recollection of other known events, his history of the Chaos Emeralds is considered canon until directly proven false in the comics.

The Days of Fury continued to affect Mobius for thousands of years, right up to modern day. The Echidna Tomes describe them as "natures way of adjusting to environmental changes it undergoes over a certain duration" according to Athair. Prior to the Day of Fury which happened in the year 3235, Athair stated the last recorded Day of Fury happened some "twelve hundred years ago". (KtE: #12)

Approximately 9,700 years ago, the Echidnas were already well developed in their colony of Albion. The Albion Knights of Aurora found themselves defending the planet against the wizard caste known as the Order of Ixis, which was bent on world domination and was subservient to their founder Mammoth Mogul. Despite the Order's incredible powers, the Albion Knights successfully defeated Mogul during the Forgotten War, effectively wiping out all of the Order of Ixis. However, Mogul and three members, Agunus, Nusgau, and Suguna, survived the Forgotten War. The latter three wizards eventually merged to form the individual wizard Ixis Naugus thousands of years later. It was also during the Forgotten War that monstrous creatures of various species, collectively known as Mutates, began to appear across the planet, though in limited numbers. (StH: #66, #67, #163)

The 300 year period between the Coming of the Chaos Emeralds and the Forgotten War is based off Mammoth Mogul's look when he was 300 years old, depicted in the Mecha Madness special, due to him having the same look during the Forgotten War depicted in StH: #163. This is only a rough estimate.

Developing Societies

Approximately 1,000 years ago, Dave, an Echidna from Albion, ventured out into space, exploring Saturn and its moon Europa on the Monolith. (KtE: #12, #30)

Approximately 600 years ago, a White Comet hurling towards Echidnaopolis in the continent of Downunda was discovered by the Echidna scientists Jordann and Kayla-La. Using their knowledge of the Chaos Emeralds, the two scientists managed to use the Chaos Emeralds' powers to lift their city into the sky, after the Fire Ants dug underneath the city to separate it from the continent — thus creating the Floating Island. (StH: #34)

Meanwhile, the other Mobians learned from the Echidnas on how to structure themselves into societies. One Mobian, Alexander, decided to pool the various groups resources and knowledge together to form a single society. While the Overlanders proved too violent in nature to be included, and the Echidnas chose to exclude themselves from joining the group, the other Mobians pulled together and created Mobotropolis - the first multicultural city on the planet. (StH: #71)

Modern History

Approximately 17 years ago (3220)
Approximately 16 years ago (3221)
Approximately 12 years ago (3225)
Approximately 2 years ago (3235)
Approximately 1 year ago (3236)
Current year (3237)

Main Locations


Main Political Factions

Mobian Cities & Territories

Overlander Cities & Territories

Human Cities & Territories


Sonic Underground

Like in the Sonic the Hedgehog television series, Mobius was conquered by Robotnik who polluted and roboticized most of the planet. Unlike in the Sonic the Hedgehog television series, most of the Mobian population remained in the flesh (as only those breaking Robotnik's laws were roboticized). Mobius possesses a large aristocracy, who - outside of taxes - are largely untouched by Robotnik's reign; the vast majority of the population are lower-classes who live in slums and squalor, fearful of being arrested at any time. While the majority of the planet's population is once again anthropomorphic animals, they appear far more alien and are not easily recognizable as Earth animals. The true monarchs are Queen Aleena and her family.


  • In Sonic X, it is revealed that many Sonic, his friends, Dr. Eggman were brought to Earth from another planet during an incident of Chaos Control. This planet was not given a name in the series. It can be possible that this planet is Mobius.
    • The recent Archie comics seemingly no longer show the name Mobius.
  • Mobius' landmasses are similar in shape to Earth's, but are fragmented.
  • Backing up the theory that Mobius has similar geographical locations to Earth, Geoffrey St. John mentions "South America" once, followed by an author's note clarifying "Mobius South America."
    • "Mobius South America" is now called Soumerica, at least in the Archie Comics.
  • Mobius was first mentioned in a promotional comic for the first Sonic the Hedgehog game.
  • The planet itself is named after the Möbius strip.


  1. Sonic the Hedgehog Spinball (Sega Genesis) Japanese Instruction Manual, pg. 4.
  2. Sonic the Hedgehog CD (Sega CD) North American Instruction Manual, pg. 2.
  3. Sonic the Hedgehog Triple Trouble (Sega Game Gear) North American Instruction Manual, pg. 1.
  4. Dr. Robotnik's Mean Bean Machine (Sega Genesis) North American Instruction Manual, pg. 1.
  5. Sonic the Comic #9, "Back to Reality"
  6. Sonic the Comic #100, "The Final Victory"
  7. Sonic the Comic #142, "Day One"
  8. Sonic the Comic #25, "Prologue: Once Upon a Planet..."
  9. Sonic the Comic #114 and #115, "Earthbound"
  10. Sonic the Comic #140 and #141, "Out of Time"
  11. Sonic the Comic #146 and #147, "Earth Attacks"
  12. Sonic the Comic #74 to #79, "The Ghost Ship"
  13. Sonic the Comic #132, "Shady Characters, Part 2"
  14. Sonic the Comic #134, "Eternity Ring"
  15. Sonic the Comic #129, "Robotnik Reigns Supreme, Part 2"

External links

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Chaos Control | Chaos Emerald | Master Emerald | Ring (Red Star Ring) | Special Stage | Star Posts | Item Boxes | Super transformation | Piko Piko Hammer | Miles Electric
Earth | Angel Island | South Island | Space Colony ARK
Egg Mobile | The Tornado | Egg Carrier
Aliens (Wisp) | Badnik (E-Series) | Eggman Empire

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