4
vital sonic
story: in this universe life boxes weren't invented so soon enough sonic dies and egg man tries to save him but only to recover his skin and pupils.Leading him to build the insides of where sonic skeleton used to be in with robotic parts.The robot is soon working but has a line monitor on his eyes and have mostly random spasms in parts of the body as a result.Then egg man told the crew about the incident and told them that he tried to save him but mostly didn't save him but he remade him using the skin to shape the robot into his skin and programmed sonic attitude into the robot acting like sonic himself.But he has the same fear a sonic water if even a little bit of water can affect him to act violently until it dries off also meaning doing anything unimaginable as a result.
BTW the name could potentially change.