The werewolf is a mythical creature found in folklore, often depicted as a human who transforms into a wolf or a wolf-like being, typically during a full moon. This transformation is usually associated with a curse or a bite from another werewolf. The concept of werewolves has appeared in various cultures, with stories dating back to ancient times. In literature and film, werewolves are often portrayed as powerful and dangerous beings, struggling with their dual nature. They are commonly featured in horror genres, where their transformation leads to conflict and fear. The werewolf legend has influenced many popular works, including movies like "An American Werewolf in London" and the Twilight series.