Iron Dominion

The Iron Dominion is a group that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. It is a gathering of mobian clans under the command of the Iron King and Iron Queen. Including the Yagyu Ninja clan and others, this group formed in the Dragon Kingdom and fought against Monkey Khan before relocating to New Megaopolis to usurp control from the insane Dr. Eggman.