What is the name of the dark sonic off of sonic heros

Ther are several 'anti-Sonics' in the game, some with different forms. The most prominent villain is Shadow the Hedgehog, but the other that springs to mind is Metal Sonic. *SPOILER ALERT- THE FOLLOWING PARAGRAPHS GIVE AWAY STORIES TO THE GAMES (Just in case you didn't know what a spoiler was) Shadow is black, with red stripes in his spines, which are more like Super Sonic's in that they stick up rather than down and have a similar shape. He has air skates (which are essentially shoes with rockets built in) and a white patch of fur. He was created on the Space Colony ARK 50 years prior to the events of the main games, and has Amnesia in Sonic Heroes due to falling off the colony in the last game, Sonic Adventure 2/Battle (which was his first apppearance). He is in team Dark, partnered with Rouge the Bat and E-123 Omega, a robot. It is worth noting that although he looks similar to Sonic , they have many differences in abilities, past and personality;but they are not entirely opposites. Metal Sonic first appeared in Sonic CD. He is a robot copy of Sonic, built with speed rather than fighting, in mind. He captures the female hedgehog Amy Rose and challenges Sonic to a race for her freedom. Sonci wins and Metal is accidentally destroyed by his creator, Doctor Eggman/Robotnik. He appears in a few spin-offs and makes two cameos in Sonic Adventure and is playable in it. He is also a two player character in Sonic Adventure 2. Sonic heroes marks his next return to the main series, in which he kidnaps Eggman and masquerades as him, in a quest toget data for all of team Sonic and Team Dark. He gets a new appearance, Neo Metal Sonic. Aside from looking different, he can also speak now. He becomes Metal Madness and then Metal Overlorrd, two giant monsters that are eventually destroyed by Super Sonic.