妖怪 (yōkai) are supernatural creatures from Japanese folklore, often depicted as spirits or monsters. They can take various forms, ranging from mischievous beings to malevolent entities. Yōkai are known for their unique characteristics and abilities, and they often embody natural elements or human emotions. In Japanese culture, yōkai play a significant role in storytelling and art. They are featured in traditional tales, paintings, and modern media, such as anime and manga. Some well-known yōkai include 河童 (kappa), a water-dwelling creature, and 狐 (kitsune), a fox spirit that can shape-shift and possesses magical powers.