Sonic Underground

Manic: a green hedgehog with the power of the drums with a medallion little brother of Sonic but the same size as him. Sonic: a blue hedgehog with the power of the guitar with a medallion big brother of Manic and Sonia but the same size as Manic. Sonia: a pink hedgehog with the power of the piano with a medallion the little sister of Sonic and Manic but she's just a little bit shorter than them because she's a girl.