Hyper Metal Sonic (whom Sonic calls Metal) was created by Doctor Ivo Robotnik in the Sonic OVA. He was created
Hyper metal

Hyper Metal Sonic

to destroy Sonic, then Doctor Robotnik would seize the world. Metal has all of Sonic's memories and abilities.&nbsp

Hyper Metal Sonic bore a strong resembelance to Metal Sonic's Mecha design in Knuckles' Chaotix comic.