Fan Casting Sonic Adventure

Thousands of years ago, a powerful entity known as Chaos threatens the whole world with it's awesome power, until he was sealed inside the Master Emerald forever. Until one day, when he is released by Dr. Robotnik and uses him to collect all 7 Chaos Emeralds to destroy the world and rebuild it as his own kingdom! Now the blue speedster, Sonic the Hedgehog and his friends must band together to stop Chaos and Dr. Eggman before all Mobius is destroyed!