Your Nature is who you truly are, the essence of your self. Your Demeanor is how you present yourself to others. Both come from the same list.

List of Natures and Demeanors

These are not all possible Natures and Demeanors; just about any one- or two-word phrase describing a character archetype can be used as a Nature or Demeanor if you don't find anything here that suits you.

• Architect: Your life is dedicated to creating things that last, have value beyond the immediate.
• Autist: You are very secretive, hiding as much of yourself as possible from others.
• Autocrat: You desire to be in charge, not to accomplish anything, but for its own sake.
• Avant-Garde: You desire strongly to be first with everything; be it news, fashion, or trends.
• Bon Vivant: You have no greater desires in life beyond having a good time.
• Bravo: You desire others fear and respect; others probably consider you a bully.
• Caregiver: You need to have others depending on you, to have people to care for.
• Child: You are still a child in spirit, and desire others to look after you.
• Competitor: You have a strong desire to win. You must be the best in everything you do.
• Confidant: You like listening to people, especially when they confide personal secrets to you.
• Conformist: You prefer following to leading, it's easy to go along with the rules.
• Conniver: It's always easier to get someone else to do what you want done.
• Critic: Nothing is perfect. You like finding the defects in things and people others have missed.
• Curmudgeon: You're cynical, pessimistic, and probably sarcastic.
• Deviant: You're weird. Unlike others.
• Director: You're a natural leader, with a true purpose behind your drive.
• Fanatic: You must have a cause to follow, something to give meaning to your life.
• Gallant: You love to impress others, you need them to be impressed with you.
• Jester: The perpetual clown, always making jokes to raise the spirits of others, or to hide your own suffering.
• Jobsworth: You are dedicated to routine, and try to avoid anything that will disrupt it.
• Judge: You are a natural mediator, and seek after fair resolutions to disputes.
• Loner: You prefer to be alone, and to solve problems by yourself.
• Martyr: You need to be noticed, and to sacrifice yourself for others.
• Masochist: You need to suffer, not for recognition but because it is what motivates and inspires you. The greater the pain, the more intense the experience.
• Optimist: You're always looking on the bright side, even in this World of Darkness.
• Penitent: You exist to atone for your sins. Your existence is a chance to make good what was bad.
• Perfectionist: You can’t abide imperfections, especially when those faults are in yourself.
• Poltroon: You are a professional coward, preferring to avoid trouble whenever you can.
• Rebel: You're very independent. "What you rebelling against?""Whatcha got?"
• Scientist: You approach your surroundings with a critical eye, always looking to make sense of the world around you.
• Survivor: You'll do anything to save your own skin.
• Sycophant: You don’t believe yourself to be strong or worthy; you must cling to others and earn their support to survive.
• Traditionalist: You like the old ways, the status quo. You resist changes. 
• Visionary: You are one of the rare few who sees beyond the mundane, and attempts to bring their dreams into reality.

Regaining Willpower with your Nature

If you are low on unspent Willpower Traits and you role-play in a way you feel uniquely satisfies your Nature, inform a Storyteller. The Storyteller may opt to give you simple Rock-Paper-Scissors throw. On a win or a tie, you earn back one Willpower Trait.