Mizuki is a recurring character in the anime series GeGeGe no Kitaro. Known for being a mystical and enigmatic figure, Mizuki plays a crucial role in the story as a yokai with deep connections to the supernatural world. His presence often provides guidance and insight to Kitaro and his friends as they navigate various challenges. Mizuki's character embodies wisdom and mystery, adding depth to the narrative. His interactions with other characters highlight themes of friendship and understanding between humans and yokai, reflecting the series' core message.