The Royal 'Corrupt' Hedgehogs is a group that appears in the Sonic Underground television series. They are a royal family comprised of alternate reality counterparts to Sonic the Hedgehog, Sonia the Hedgehog and Manic the Hedgehog. They exist in an alternate dimension, and together they are the rulers of their version of Mobius. Their absolute power over the planet ended up corrupting them, thus turning the siblings into cruel and arrogant tyrants, who held an impoverished Mobius and its inhabit