Demeter

Demeter is the Olympian Goddess of nature. She is very forgiving compared to the other Gods, even if someone hasn't made an offering to her all year she is still willing to forgive them, however she detest those who pose as Gods and take credit for her fruitful bounties. Demeter is also the older sister of Zeus and Hades.

Mythology
In Greek mythology, Demeter was the goddess of agriculture.

Hercules and the Pool Party
When Hades decides to throw a party in the underworld in hope of having the Olympian Gods forget who they are, Demeter along with the other Gods attend the pool party and eventually forgets who she is when she swims in the pool of forgetfullness.

Hercules and the Prometheus Affair
When Hercules frees Prometheus, Demeter along with the other Gods search for Hercules and Prometheus.

Powers & abilities

 * As a goddess, Demeter possesses the natural powers & abilities of an Olympian goddess such as : Immortality, Omnipresence, Superhuman strength, Metamorphosis and Teleportation
 * As the goddess of the harvest, She is responsible for inventing vegetable and the Ability to control the harvest and the seasons.

Trivia

 * She is voiced by Florence Henderson.
 * Demeter's Roman counterpart is named Ceres, which is also the name of a large asteroid and dwarf planet in the Asteroid Belt.