If you had a demon what would it be?

People have different personalities, and that's how they get their demon based on their attributes, talents, and mostly personality. Are you going to have a small, cowardly mouse, or a powerful, overruling dragon? Some times different personalities would rather be the small mouse than the dragon. It all depends on your point of view. Now the quiz is up to you, coward or courageus, violent or peaceful, silly or angry? It's all your choice mate!