Sonia the Hedgehog

Sonia the Hedgehog is one of the main characters in the Sonic Underground television series. She is an anthropomorphic hedgehog and the youngest triplet 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.