Jenny Swanson

Jenny Swanson. Daughter of Athena, raised by adopted parents.
Ex-lover of Fionn Corvin.
Jenny Swanson appeared in Season 1.
Season 1
Already missing for over a week when Fionn Corvin arrived in Clearwater her parents interrupted Maria and Fionn's first night at their new home to request their vigilance in her missing person's case. Besotted with the enigmatic picture they showed him to identify her Fionn resolved to do his best to solve the mystery of her disappearance.
Fionn began an investigation to find Jenny and it lead him to Phobos's lair in the woods of Clearwater. He discovered many other teenagers were missing too in a decade's long plot involving a bet between Ares and Aphrodite; which force could overcome Fear, Love or War?
Fionn, taking the advice of Athena, recruited the assistance of Cord Van Graff and Barbie Hudson and together they defeated Phobos, Fionn killing him. Fionn rescued Jenny along with a number of other missing teenagers.
After the rescue Cord and Fionn were interested in Jenny. 
Season 2
She and Fionn were involved for a while, their breakup directly led to Fionn hitting Rock Bottom.
After the breakup they relapsed at the Halloween party and several times after that, until The Belgian Goodbye, when they finally broke up for good, remaining friends.