What did Hecate look like?

Answer 1

Hekate 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.

Sometimes she is seen with long black hair and starry eyes as she is the goddess of the dark side of the moon and witchcraft and ghosts. She is very pale and seen mostly in long dark dresses.

Answer 2

Hecate is the Titan born goddess of magic, witchcraft, the night, moon, ghosts and necromancy with power over heaven, earth, and sea due to her parentage. She is a Underworld deity because of her association with Persephone as her handmaiden/companion.