Manic the Hedgehog is a character that appears in the Sonic Underground television series. He is an anthropomorphic hedgehog, the youngest triplet of Sonic the Hedgehog and Sonia the Hedgehog and the second son of Queen Aleena. Manic played the drums in the siblings' band. He is also a member of the Sonic Underground and one of the leaders of the Freedom Fighters with Sonic and Sonia. He has a distinctive and bleating laugh.