Mulltos, or "mulltos" in some contexts, refer to a type of mythical creature or spirit in various folklore traditions, often depicted as mischievous beings associated with nature or specific locations. The term's meaning can vary widely depending on cultural context, and it may not be widely recognized outside specific regional folklore. In some narratives, they may be benevolent, while in others, they can cause trouble for humans. Overall, their characteristics and significance depend largely on the specific stories and traditions in which they appear.