an exact robot model of the speedy blue hedgehog "sonic the hedgehog" is now an evil emperor of what used to be the robot empire but is now the metalhog empire.
the story:
after the evil emporer evan had activated his new metalhog, metal sonic did as his directive... TO KILL THE ENEMY but after a while he wanted to lead the army and change the name of it, and so the next and last time he left the robot construction chamber, he killed emporer evan. the armies rule was:
THE ONE WHO KILL THE EMPORER SHALL TAKE HIS/HER POSITION AS EMPORER.