Amy is a cheerful, though slightly erratic girl, with a positive attitude and boundless energy. She wields the Piko Piko Hammer, which she uses with skills second to none and never leaves home without it.

However, she has a scary temper and her infatuation with Sonic makes her short-sighted and a bit obsessive about him, having followed him everywhere since meeting him. Nevertheless, she has a pure heart and will not let anything stop her.