Mestra was the daughter of Erysichthon, who cut down a tree in a sacred grove and was cursed with an insatiable hunger. Luckily, Mestra once slept with Poseidon, and he gave her the power to shapeshift. So she started pimping herself out. She'd get paid, and then change into a man and get away. Erysichthon eventually ate himself. She is one of the *very* few women of Greek myth who wasn't raped, suicidal, struck down unfairly, or turned into a tree.