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sonic55Sonic becomes a werehog after being attacked by an unknown creature! Will Sonic's friends cure him or will he still be a werehog forever? Orinal Idea by Ro...SA-55 is the secondary antagonist of the 2008 platform game Sonic Unleashed. He is a robot built by Dr. Eggman, serving as his rht-hand assistant and advisor during the Dark Gaia incident. However, despite his loyalty to Dr. Eggman, SA