sonic55SA-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, SASonic and his friends do the Charlie Charlie Challenge! And crazy things start happening to them!CLICK THIS LINK to see the last episode of Sonic the Hedgeho...