Metal Sonic (Prime Universe), Sonic Villains Wiki

Metal Sonic is a badnik created by Dr. Eggman with the sole purpose to destroy Sonic the Hedgehog. He is a lookalike that tries to prove that he is superior to the actual Sonic. To be added This speedy killing machine stands to this day as Dr. Eggman's proudest acheivement & the closest he's ever gotten to killing Sonic. Using traces of Sonic's DNA & countless calculations on the Blue Blur's speed, Metal Sonic was built to not only keep up with Sonic, but potentially surpass him using the power

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