Sonic is a super-fast cocky blue alien hedgehog with attitude. Sonic hates oppression and staunchly defends freedom. Although he is mostly quick-witted and easygoing, he has a short temper and is often impatient with slower things. Sonic is a habitual daredevil hedgehog who is honest, loyal to friends, keeps his promises, and dislikes tears.

Sonic in this story does sometimes show signs of seriousness given what crazy events have been happening before the beginning of this story.