Vector Hedgehog

Vector Hedgehog is a genetically altered alligator who was originally created by Doctor Ivo Robotnik to destroy Sonic Hedgehog. After his final defeat to Sonic in the space station, Vector had a change of heart as he was under the control of Eggman, now he tries to be a positive role model to children. He has then become good friends with Sonic, Amy and Chao protecting them from harm, living with them as a new member to the Hedgehog family, in which he acts as an older sibling to both Sonic and Amy.