Hecate

Hecate (Εκάτη in Ancient Greek) is the daughter of Titans Perses and Asteria, a star-goddess who was the sister of Leto (the mother of Artemis and Apollo). She is the minor goddess of magic, crossroads, witchcraft, and also of trivial knowlege. In some beliefs, Hecate is the daughter of Gaia/Gaea and Ouranos, even Zeus and Hera. Her Roman Counterpart is Trivia.

History
Hecate was the Titan goddess of magic and witchcraft, among many other things, born to Perses and Asteria. Hecate was among the few ancient Titans who supported Zeus and the Olympians in the Titanomachy, and thus was allowed to retain her authority once the Olympians came into power. Zeus bestowed upon Hecate a share in all three realms of the world, underworld, sea, and sky, and was therefore able to cross most boundaries without hinderance, even going back and forth between the worlds of the living and the dead.

Hecate had little organized worship, and was more commonly found on the outskirts of the Olympian order than playing an active part in it. She was usually depicted as a Beautiful woman having three human heads, though some images are much more fearsome (one with a snake's head, one with a horse's, and the third a boar's head).

Hecate did, however, play a major part in the abduction of Persephone. After her abduction, Hecate went and told the frantic Demeter what had become of her daughter. After the dispute between her mother and husband was settled, Hecate continued to play an important role in the life of Persephone, becoming her confidante when she was in the Underworld. Hades, thankful for their friendship, was more than hospitable, honoring Hecate as a prominent and permanent guest in the spirit world.

Not really known as a goddess of wisdom, Hecate is nevertheless recognized for a special type of knowledge. Her Roman name is Trivia, which is now a common name for random, obscure facts that are known to few.

Depiction
Hecate was usually depicted in Greek vase painting as a woman holding twin torches. Sometimes she was dressed in a knee-length maiden's skirt and hunting boots, much like Artemis. In statuary Hekate was often depicted in triple form as a goddess of crossroads.

The Sea of Monsters
Hecate is mentioned to be Circe's mother.

The Battle of the Labyrinth
Hecate doesn't appear but it is mentioned by Dionysus, that she has gone over to Kronos' side. She also sends her Empousai (Kelli and Tammi) to attack Percy.

The Last Olympian
It is mentioned that Hecate used her magic to cloak New York City and prevent mortals from entering or leaving. She also sends magical lights towards Mount Olympus, though the nature of these lights are unknown as the wards of Olympus repel them quickly.

At the end of the story, Hecate's cabin at Camp Half-Blood is in the process of being built, along with those of many other minor gods. Her cabin is made of magical stones that, if dropped, could have disasterous effects.

The Heroes of Olympus
The Lost Hero She is not shown, but she is the mother of Lou Ellen.

Trivia
Hecate can change her appearance and turn into her Roman counterpart, Trivia. As Trivia, she becomes more disciplined, warlike, and militaristic. Assuming that she and the other minor gods are honored at the Roman Camp Half-Blood, Trivia may have more children there.

Personality
A lover of solitude, Hecate was, like her cousin Artemis, an unmarried goddess. It is implied, however, that she does have children at Camp Half Blood. She is close friends with Persephone. Little else is known about her nature, including the reason she decided to aid the Titans in the Second Great War.

In the series it appears that she has two daughters: Circe and Lou Ellen.

Physical description
Hecate does not appear physically in the series, and therefore is not described. Depictions of her range from a beautiful woman to an elderly "crone," much like the contemporary image of a witch.