Poseidon.Pronounced as Po-sy-den.
Poseidon's last name is Earth-Shaker
He's a god, dear friend. Don't expect for him to have a middle and last name. Poseidon's real name is indeed Poseidon. He also goes by God of the Sea and Neptune, his Roman counterpart.
They are considered the same deity under different names.
First off there is only kone God the true God and he owns the sea
The Roman God of the Sea is Neptune, like the planet
You can say Jevoah is the real name for god almighty.
They are both god of the sea because Neptune is the Roman name of Poseidon so they are the both god of the sea.
Because, Neptune is the name of the Roman Sea God.
Posiden
Neptune is the Roman god of the sea.
Poseidon, the Greek sea god.
Poseidon or Neptune got its name by being the god of seas Poseidon and Neptune mean ocean or sea