Shadow The Hedgehog
The black hedgehog that resembles Sonic. Shadow is the ultimate life form created by professer Gerald. Shadow has a special ability called "Chaos Control," which alows him to warp time and space using Chaos Emeralds. After telling Dr. Eggman about the existence of the Eclipse Cannon, Shadow encourages Dr. Eggman to join up and help conquer the world.
Dr. Eggman
Also known as Dr. Robotnik, Dr. Eggman is a self-proclaimed genius. He is an evil scientist with an IQ of 300. A renowned authority on robotics, Eggman joins forces with Shadow and Rouge in a plot to conquer the world. Once he has collected all the Chaos Emeralds, he plans to take care of his life long rival, Sonic, once and for all.
Rouge The Bat
As a hunter who devotes her life to the persuit of jewels, Rough is determined to make herself rich. She is passionate about her work, and once she sets her sights on a new treasure, she stops at nothing untill she gets it. In order to collect the many pieces of the Master Emerald, she offers to help Shadow and Dr. Eggman-- but her true identity remains a mystery to them both.