Amy Rose
Most of the games in the franchise are platform games, although the series also includes other genres such as racing video games, fighting games, action-adventure games, role-playing video games, and sports games. Each game focuses on the titular protagonist Sonic the Hedgehog, an anthropomorphic blue hedgehog. It also features a large cast of other characters such as Doctor Ivo "Eggman" Robotnik, Miles "Tails" Prower, Knuckles the Echidna, Amy Rose, Shadow the Hedgehog, and the Chao creatures.