판구 is a figure from Korean mythology, often depicted as a giant who created the world. According to legend, he emerged from a cosmic egg and, upon awakening, began to separate the sky from the earth. His actions led to the formation of the universe as we know it. After creating the world, 판구 is said to have lived for 18,000 years. Upon his death, his body transformed into various elements of nature, such as mountains, rivers, and trees. This myth highlights the connection between humans and nature in Korean culture, emphasizing the belief in the cyclical nature of life and death.