Pluto, also known as Hades, is the ruler of the underworld in Greek mythology. He is often depicted as a powerful god with a helmet and a three-pronged scepter. He is the son of Cronus and Rhea and the brother of Zeus and Poseidon. He is also the husband of Persephone, the goddess of spring. He is the god of wealth, death, and the afterlife. He is also known for his role in the abduction of Persephone and his role in the myth of the twelve labors of Hercules.