Which 'Léon: The Professional' Character Are You? -Mathilda Devilish, fun-loving, and vulnerable, your 'Léon: The Professional' character is Mathilda. You've endured tragedy in your time, but you always manage to bounce back. Sometimes you put on a show to seem cool, but what you really seek is love. You want to feel safe and secure and you'll do anything to hold onto that feeling.