Rao is a central character in the manga series Sand Land, created by Akira Toriyama. He is an elderly but highly skilled mechanic and former military officer. Despite his age, Rao possesses remarkable ingenuity and bravery, traits that make him a vital ally to the protagonist, Beelzebub. Rao's mission is to find a new water source in the desert wasteland, a quest that leads him to team up with Beelzebub and Thief. His wisdom and experience assist the group in navigating the harsh environment and overcoming numerous obstacles.