Yokai are a class of supernatural creatures and spirits in Japanese folklore. They can take many forms, ranging from mischievous and playful to malevolent and frightening. Some well-known yokai include Kappa, a water-dwelling creature, and Tengu, often depicted as bird-like beings. Each yokai has its own unique characteristics and stories, often reflecting cultural beliefs and values. Yokai are not just monsters; they can also embody natural elements or human emotions. They play a significant role in Japanese culture, influencing art, literature, and festivals. Many people still celebrate yokai through various forms of media, keeping these traditional tales alive.