There was none.
in greek mythology it was hades
hades
The gods banished him there to be the ruler of the underworld.
No one ruled the Underworld before Hades. He is the first and only God of the Underworld.
Hades took control of the Underworld before time existed.
The role of God of the Underworld was given to him when he and his brothers were drawing lots for their place as Gods.
The way Hades, Zeus, and Poseidon became the rulers of their realms, was basically to 'draw straws'. It was pure chance as to which area they were given to rule.
Very close to Zeus and Poseidon
Hades
the under world
Hades is a god because he is the god of the under world/
Wisconsin dells or the under world