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This location exists primarily or exclusively within the Pre-Super Genesis Wave continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Red Chaos Emerald 01

The red Chaos Emeralds of the planet heading towards Mobius.

Thoraxia is a planet in the same galaxy as Mobius, though located many thousands of light-years away. It is home to two sapient, insectoid races: the Blodex and the Bzzzz. It was once home to the red Chaos Emeralds.


After Sonic was flung across the galaxy by the destruction of the Quantum Dial, Thoraxia was the first planet he visited. He was found by the natives and implanted with a device that allowed him to communicate with them and other alien species, and even with his dog Muttski when he eventually returned to Mobius. He attempted to defend the Blodex from the Bzzzz by using Thoraxia's red Chaos Emeralds to transform into Super Sonic, but the alien Chaos Emeralds instead created an evil version of Super Sonic who was a separate entity from Sonic. This evil Super Sonic then began to rampage across the planet. Despite being seriously outmatched, Sonic managed to distract the duplicate until it vanished, saving the Thoraxians. Sonic soon left the planet in order to begin his journey home.[1]

Later, the red Chaos Emeralds were pulled away from Thoraxia and brought to Mobius by A.D.A.M..[2]


  • Thoraxia is named after the thorax, one of three main divisions of the body (along with the head and abdomen) in insects. It is the area where the wings and legs attach to the body.


  1. Sonic the Hedgehog #126, "Tossed in Space, Part 1: Red Chaos" and "Tossed in Space, Part 2: Hog & Superhog"
  2. Sonic the Hedgehog #169, "Order from Chaos, Part 2"

External links

  • Thoraxia at Mobius Encyclopedia, the Archie Sonic wiki

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