How long has werewolf existed?

Werewolf legends date back to ancient times, with references found in various cultures, including Greek mythology and Norse sagas. The concept of humans transforming into wolves has been documented for thousands of years, with some of the earliest accounts appearing around 2000 BC. The werewolf mythos evolved over centuries, particularly during the Middle Ages, when it became associated with witchcraft and superstition. Today, werewolves remain a popular figure in folklore and modern media.