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1. A robotic villain of the Sonic the Hedgehog universe; a mechanical imitation of Sonic. Mecha Sonic differs from the similar Sonic-clone Metal Sonic in that Mecha has a slightly meaner, more "I'ma kill you" look to it, and has been shown to possess the ability to absorb power from the Master Emerald (as seen in Sonic 3 & Knuckles). Referred to as "Silver Sonic" in earlier games because he was originally silver and actually looked kind of stupid.

2. What they called Sonic when he was successfully roboticized in the Sonic the Hedgehog comic book published by Archie comics. He looked a lot like the Mecha Sonic that appeared as the boss of the Sky Sanctuary in Sonic 3 & Knuckles. He beat the crap out of Bunnie Rabbot, and they had to actually roboticize Knuckles the Echidna in order to defeat and save him.
Don't open the window or Mecha Sonic will fly in and kill you and your mom and your dog and everyone you love. 'Cause he can, you know. He's real.
by Gijy Tiwit June 03, 2007
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