sorta (from the early concept art of the first Sonic game). First Appearance: Of the Chaotix crew, excluding Mighty (from the game SegaSonic the Hedgehog), Charmy from the manga series in Japan, and Vector.Contrary to popular belief, that was never its name - 'Metal Sonic Kai' is actually the name of the ordinary Metal Sonic in this game according to the Japanese manual, whose body has been reconstructed since his last encounter with Sonic. Also, 'Metal Sonic Kai' or 'Mega Metal Sonic' for the game's final boss.
