Sonia the Hedgehog is one of the main characters in the Sonic Underground television series. She is an anthropomorphic hedgehog and the sister of Sonic and Manic the Hedgehog, as well as the daughter of Queen Aleena. She is also a member of the Sonic Underground and one of the current leaders of the Freedom Fighters along with Sonic and Manic.
A powerful new foe with the speed of Sonic, the intellect of Eggman, and an unbreakable mechanical body has set his sights on Angel Island, and Sonic and his friends must defend it at all costs!
