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 Sonic Simulator.

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

Robo-Sonics look exactly 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 (depends on the color). They also have a circlular light on each hand and their chest (that too depends on the color), and on their chest their is a white cuff around their neck. Also instead of Sonic's white folded cuffs, they have a gray metal ring on their ankles and wrists.

The color of the eyes and the "bulbs" they have on their hands vary, it depends on the color of the robot:

Blue Robo-Sonic: Cyan eyes and bulbs.

Red Robo-Sonic: Yellow eyes and bulbs.

Pink Robo-Sonic: Purple eyes and bulbs

Green Robo Sonic: Orange eyes and bulbs

Black Robo Sonic:

White Robo Sonic:

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(Though later they're comfrimed to be also playable Solo while having to switch characters at anytime whenever they please.).

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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.
 * Robo-Sonics are analogous to Shadow Androids.
 * While highlighting Robo-Sonic Players can change the Color of Robo-Sonic to Colors like Pink, Green, & Black by pression X, Y, or R/Z Buttons(According to the Gamecube/Classic Controller)