Name: Metal Sonic 4.0/ Age: Unknown/ Gender: Male/ Species: Android Hedgehog/ Bio: Claimed to be Dr. Eggman's greatest creation, Metal Sonic 4.0 is essentially an upgraded version of Metal Sonic, a killing machine that feels no emotion or sympathy sole purpose was to kill Sonic and carry out Eggman's orders. He is a very dangerous foe and can keep up with Super Sonic in base form. He was created based on Sonic, with the same personality except he's more cruel, evil, and sinister. He makes cruel jokes and likes laughing at others' suffering. He is able to do the same things as Sonic, and can even learn from him in fights. His intelligence is close to Eggman's. It takes Sonic, Shadow, Tails, and Knuckles to bring him down. Tails believes he doesn't have to do what he's told, and he can be what he wants. After being reprogrammed by Tails, he chooses to help Sonic and his friends making him a powerful ally. Metal Sonic 4.0 was made with Sonic's DNA, allowing him to be the perfect match for Sonic.
