Then Underworld in many mythologies has a great variety of rulers
Greek/Roman mythology-Hades/Pluto
Native American-Matchi Manitou
Asian-Yama, Yanluo wang
Christian & Jewdism-Satan
Egyptian-Osiris
Celtic-Cernnunos
Norse-Hela.
In Many of these world mythologies as well as Christianity you'll find the rulers or deities of the underworld.
he is the god of the underword
The Roman god of the underworld is Pluto
Hades
pluto was the god of the underword
Pluto is the Roman name for the Greek God of the Underword and the Dead; Hades.
the underword
Hades is the ruler of the Underword, precious metals and gems come from under the earth. So he is considered to have dominion over them as well.
they open the gate to the underword where munchkins and jews rule
Type your answer here... Yes, he is a two headed dog that guards the passage to the underword
The goddess of the underword (Niflheim, meaning place of nothing / of the dead) was named Hel. She was one of the daughters of Loki, the god of mischief, and sibling to the fell dog Garm and the monstrous Fenris (Fenrir) wolf, who both dwelled alongside her in Niflheim. Some texts also suggest another sibling of Hel; the "World snake", Iormungandr, who was eventually to be slain in mutually fatal combat with the god Thor during the final battle of Ragnarok.
Zeus pretty much made himself ruler of the Gods, and so decided that Poseidon would be ruler of the sea and that Hades be ruler of the Underworld.
sisyphus was punished for lying by Hades. He was ordered to balance a rock on top of a mountain, but the boulder kept rolling off the other side.