Virtual Hedgehog

Robo-Sonics are robotic versions of Sonic that were created by Eggman in the upcoming title, Sonic Colors. They look exaclty like Sonic but come in a variety of different colors and other features. They are playable in co-op mode of Sonic Colors.

Attire
(These are the differences between the looks of the Robo-Sonic's and Sonic, accordingly)

They look exaclty like Sonic but come in a variety of different colors. They have a red antenna sticking out of their heads, they also have no pupils on their irises, and have their eyes glowing according to their color (like the pink one would have pink glowing eyes), they also have a circle light on their hands and their chest (that too depends on the color), and on their chest their is a white cuff around their neck. Also instead on Sonic's white socks they gave a grey metal.

Development
Robo-Sonics were first leaked by Amazon in August 2010. They were leaked with one certain screenshot, but later that day the image had been removed as it was leaked.

Later on 2 September, 2010 IGN had revealed them along with the information that they will be playable in Sonic Colors, but only in the co-op.

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Story
It could be possible that they will be in the story of the game, Sonic Colors as they are new creations by Eggman. IGN had stated that they are "creations by Eggman" but that cannot be mentioned in the co-op mode, perhaps they may likely appear in the story so that it could be mentioned that they were created by Eggman as co-op mode cannot have a story.

Trivia

 * They are very similar to the colorful Sonic robots that appeared in the Sonic X comic Issue 25.
 * The glowing red antennae on their heads are similar to the orb on the Tails Doll.