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Shadow the Hedgehog anthropomorphic black hedgehog from the Sonic the Hedgehog series and the arch-rival of Sonic the Hedgehog. He was created as the "Ultimate Lifeform by Gerald Robotnik, using the blood of Black Doom, and is the final result of Project Shadow. His purpose was to provide ways of developing cures for the deadly ill, namely for Gerald's granddaughter Maria Robotnik, but he was captured and put into stasis by the military when he was deemed a threat to humanity. Fifty years later

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