Gaea is the original god, the mother earth. She created the world and is very proud. She sometimes would give gifts to the Greek gods and is the mother of all the Titans.
Hera is the jealous wife of Zeus. She hates all the mortal women Zeus takes a liking to, even turning them into cows! She is the goddess of marriage and childbirth. She rode in a golden chariot pulled by peacocks.
Artemis is the kick-butt goddess of the hunt who doesn't take any sass from anyone. She is the goddess of women and animals. Her sacred animal is a golden stag. She is associated with the moon and has silver arrows. She swore never to marry and all her huntresses are not allowed to marry either.
Demeter is the goddess of the harvest and the goddess of agriculture. She is an awesome mom, rescuing her daughter Persephone from Hades. Wheat is her sacred object.
Athena is the brilliant strategist and goddess of clever warfare. She is also the goddess of wisdom. She has many temples dedicated to her and is an architect herself. Athena also was the patron of many arts, like weaving and spinning. Her symbol is the owl.
Aphrodite is the goddess of beauty and love. Almost all the gods wanted to marry her, but Hera was jealous and made her marry the ugly god Hephaestus. To apologize he made her a golden belt, which made her even more beautiful.