The most important god is Zeus, god of the Sky, storms, lightning and the king of the Gods. His symbol is lightning and an eagle.

Poseidon is god of the sea and earth quakes. His symbol is a trident.

Hades is the god of the Underworld and Death. His symbol is his Healm of terror, his most charished weapon.

Hera is the mother of the gods and the goddess of women and marriage. her symbols are cows and peacocks.

Athena is Zeus' favorite daughter. She is the goddess of  Wisdom and War Stradegy. Her symbol is the owl.

Demeter is the goddess of Agriculture, which is farming and plant-life. Her symbols are poppies and wheat.

 Artemis is the goddess of the hunt and the moon. Her twin brother is Apollo. She made the pledge to stay a maidan for her entire life. Her symbol is the bow and arrow and the moon.

Apollo is the god of music and the sun.. He is portrayed in Rick Riordan's novel as being childish and humorous. His symbol is the lyre and the sun.

Hermes is the messenger of the gods. He passes messeges from person to god, god to god, and person to person. He's also the god of Theives and travellers. His symbols are a caduceus and a winded helmet.

 Aphrodite is the most beautiful goddess. She is the goddess of love and peace. Her symbol is a dove.

Ares is the god of war. His symbol is a wild boar or a bloody spear. 

 Hephaestus is the god of fire and blacksmiths. His symbols are the anvil and the quail.

Dionysus is the god of wine. His symbols are tigers and grapes. 

Hestia is the goddess of the hearth. She gave up her throne for Dionysus. Her symbol is the crane. 

The goddess Demeter