his responsibilties were to keep the sea at peace and control the kingdom below it ;)
the function of Poseidons temple was for Poseidons honor.
Rhea.
cronus
Cronus and Rhea
Triton
Neptune
Rhea.
a trident
There is no WHY about the Greek gods. They each had their responibilities, and that's that!
He doesn't had friends
In myths, he does not have one.
The sea, particularly the Mediterranean.