Who doesn't love Stewie, the baby with the brain of a genius? The satire of this fantastic character is so alluring. Now you can profess to be as intelligent with the Family Guy Stewie costume. It includes the jumpsuit, the foam head mask created for comfort and wait for it, the plastic butt. How cool is that! The Family Guy Stewie is a sure way to bring tears of laughter to party guests and it gives you a great opportunity to bring out those oneiners.