God of the Sea, Earthquakes, and Horses
According to myth, the Greeks of Attica decided to grant patronage of their capital city to whichever god gave them the greatest gift. Poseidon strikes his trident into the Acropolis, calling forth a spring of salt water. Athena gives them an olive tree instead. Unsurprisingly, the Greeks choose to name the city Athens.
Parents: Kronos and Rhea
Spouse, lovers, children: Married to Amphitrite, a sea goddess, but fathers many heroes, including Orion and Theseus, on mortal women.
Epithets: “blue-haired,” Earth-Shaker, Horse-Tender
Fountain of Neptune in the Piazza Navona in Rome, crowned by the 1878 sculpture of Neptune fighting with an octopus by Antonio della Bitta.