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Ivo Robotnik's coup d'état

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Current Continuity

Robotnik's Coup d'état
Two Memories

Before StH: #252





  • Eggman's coup failed
  • The Kingdom of Acorn came out victorious
  • Battle to overthrow the Kingdom of Acorn

Kingdom of Acorn

Robotnik's robotic army

  • Civilians




Ivo Robotnik's coup d'état was an event that took place in the Kingdom of Acorn where the evil scientist Dr. Ivo "Eggman" Robotnik took over the city of Mobotropolis, from which he launched his campaign to conquer the rest of the world. This would lead to his eventual conflict with Sonic the Hedgehog and the Knothole Freedom Fighters.


Spoils of War

Dr. Eggman launched his coup following a stand-off between the Kingdom of Acorn and the United Federation, which he instigated with help from Walter Naugus and Julian Snively. The trio convinced King Acorn that the United Federation intended to invade the kingdom, forcing the king to act. Unfortunately, this left the kingdom vulnerable to Eggman's conquest, and he soon took over the kingdom and sent both the king and Naugus to the Special Zone. Westside Island then became the foothold from which he launched his efforts to unite all of the world under his banner as the Eggman Empire. However, his efforts also set the stage for his greatest opposition, as several children who were victims of the coup united under the leadership and inspiration of Sonic and became the primary resistance to Eggman's regime. Following the Super Genesis Wave, Sonic also gained memories of an alternate version of the coup that had occurred in another reality. (SSSM: #11; SSD: #12; StH: #252)

Background Information

  • In the timeline created after the world was heavily altered by the Super Genesis Wave, a slightly alternate account of the coup is shown, in which King Acorn appears with a different design, and Robotnik appears in a design identical to his look in the classic Sonic video games. While the coup happened in almost virtually the same way, the big difference is that Mobotropolis was never transformed into Robotropolis.

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