The Sonic the Hedgehog movie franchise is in full swing, and seeing as the third movie is placing a lot of its focus on fan-favorite character Shadow, it begs the question of who else from his immensely popular franchise could have their own big-screen adventure. Though the Sonic the Hedgehog universe has no shortage of individuals who could play the role of protagonist, the type of movie that they would be involved in would need to suit their personality for it to work.