Neo Metal Sonic is an advanced and powerful robotic antagonist in the Sonic the Hedgehog series. An upgraded form of Metal Sonic, Neo Metal Sonic was created by Dr. Eggman to surpass Sonic in every way. With enhanced abilities such as shapeshifting and data copying, Neo Metal Sonic aims to defeat Sonic and dominate the world. His cold, calculating personality and formidable combat skills make him one of Sonic's most dangerous foes, often serving as a primary villain in various storylines.