Sonic E.X.E.

sonic55IDW Sonic the Hedgehog Issue 55 is the fifty-fifth issue in the Sonic the Hedgehog comic series published by IDW Publishing. DeterminedSA-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