She is the adopted daughter of Cloud Strife and Aerith Gainsborough, her two brothers are Silver the Hedgehog and Charmy Bee, her two sisters are Princess Sally Acorn and Cosmo the Seedrian, and her three aunts are Bunnie Rabbot, Marine the Raccoon, and Rouge the Bat, and her secret name is Ruby.
Her signature weapon is her trusty Piko-Piko Hammer. She can make it appear at will.
Amy Rose's first game she ever starred in was Sonic CD, with a lime green blouse with short, puffy sleeves and an orange tutu. Since then she has become one of the most well-known characters.
In Sonic Adventure, Amy's story had her helping a bird and getting into heaps of trouble. In Sonic Adventure 2 she convinced Shadow that Maria wouldn't have wanted him to destroy the earth, in the end winning him over.