Concept art of the Mole badnik from Sonic Colors.

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Concept art for Sonic 4: Episode 1’s Moto Bug.

14 147

Concept art for Antoine D’Coolette, for Archie’s 2013 Sonic reboot.

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Concept artwork for the mist and earth dragons from Sonic and the Black Knight.

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Silver in his “lightning” outfit from Sonic Rivals.

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Mighty the Armadillo artwork from Knuckles Chaotix.

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A t-pose model of Super Sonic from Sonic the Fighters, which was his first appearance in 3D.

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Art of Mecha Sonic Mark IV, one of a multitude of potential Mecha Sonic designs drawn up by Chris Senn for Sonic X-Treme.

Ultimately, this would not be used during the game’s production, which instead utilized a giant version of Sonic CD’s Metal Sonic design.

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Starline went through several designs while he was being designed by . The below image was her first-pass at his design, when she was going for more of a mad scientist angle.

You can find her discussion of his design process here: https://t.co/bNIjpk1GWW

19 132

Concept art for Alf-Layla-wa-Layla, the final boss of Sonic and the Secret Rings.

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Tails render from Sonic X-Treme, made before development decided to focus exclusively on Sonic.

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Development image of Sonic and Yacker from Sonic Colors.

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Scrapped Sonic and the Secret Rings box art.

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Sonic CD had several images that could only be accessed via the sound test by playing certain sounds.

The below image can be accessed via the digital release by entering PCM 03 and DA 01. It was created by Kazuyuki Hoshino.

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Concept art of Dark Gaia from Sonic Unleashed’s opening cutscene.

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Tails artwork from the Tails’ Skypatrol manual.

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Sonic and friends have some summer fun in this artwork from the SEGASonic the Hedgehog 1994 calendar.

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The artwork used for Sonic Chaos’ Master System box art.

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