The gods of the Greece according to The Gods of Greece by Arianna Stassinopoulos and Roloff Beny, published by Harry N. Abrams Inc., New York, copyright 1983:

Aphrodite, Apollo, Ares, Artemis, Athena, Demeter, Dionysus, Hades, Hephaestus, Hera, Hermes, Hestia, Poseidon and Zeus.

Descriptions and attributes of the gods from on-line sources including http://www.greek-gods.info/, http://en.wikipedia.org/wiki/Greek_gods, and others:

Aphrodite
Goddess of love, fertility, lust, beauty and eternal youth. Aphrodite was created from sea foam, and was known as the most attractive goddess. Married to Hephaestus, but in love with Ares.

Apollo
God of prophesies, health, medicine, poetry, music and archery. Apollo was fathered by Zeus and Leto, and was the younger twin of Artemis. Considered the most handsome of the gods.

Ares
God of war, frenzy, bloodshed and murder. Son of Zeus and Hera, Ares was known for being handsome, fierce and cruel.

Artemis
Goddess of the hunt, childbirth, nature, and the moon. Twin of Apollo, daughter of Zeus and Leto, Artemis was also known as a protector of the young. She is a virgin goddess.

Athena
Goddess of city, handicrafts, domestic arts, agriculture and warfare. Athena sprang full grown from Zeusís forehead and is considered the wisest of the gods. She is the patron deity of Athens and her symbols are the owl and the olive tree.

Demeter
Goddess of grain, corn, agriculture, fertility, and the harvest. Demeter was the daughter of Titans Chronos and Rhea sister of Zeus. Demeter was also known for being peace loving and for her part in controlling the seasons.

Dionysus:
God of the vine, wine, parties, merriment, festivals, madness and ecstasy. Dionysus is the son of Zeus and mortal Semele. Dionysus is also associated with the idea of rebirth after death.

Hades
God of the underworld, the dead and wealth. Hades is the brother of Zeus and Poseidon, and together they overthrew their father Chronos and the Titans. The three brothers drew lots for shares of the world and Hades ended up with the worst draw: the underworld.

Hephaestus
God of metalworking, fire, forge and crafts. Hephaestus is the son of Hera and he is the only god who is physically ugly and has very weak legs. He creates the armor for the gods but he himself is kind a peace loving.

Hera
Goddess of childbirth, marriage, family and women. Hera is the wife of Zeus. She is known for her jealousy and her revenge on Zeus for his infidelities.

Hermes
God of travelers, borders, flight, mischief, commerce, and flight. Hermes was a son of Zeus, who served as a guide to Hades for dead souls. He is the fastest god, known for delivering messages and his winged sandals.

Hestia
Goddess of the home, hearth, house and domesticity. Hestia was the virgin goddess sister of Zeus. Many cities had a public hearth with fire that was never allowed to go out in honor of Hestia.

Poseidon
God of the Sea, earthquakes, storms, natural and supernatural events. Brother of Zeus and Hades, he carried a trident and was known to be moody and bad tempered. He is often depicted with horses, dolphins, seahorses and foam.

Zeus
God of sky, rain, weather and thunder. Zeus is the king of the gods and the ruler of Mt Olympus where the gods reside. He was known for his mighty thunderbolt which he throws at anyone who might offend him.

Additional information on the Greek god is available on-line at: http://www.greek-gods.info/

Acropolis Temple

Poseidon