Teen Angels Plot: After dying too soon, Teen Angels get the chance to return to Earth and counsel wayward teens before they make the mistakes leading to their deaths. If the Angels can save fifty souls, they recieve their wings, and if they manage to save one hundred souls, they are granted the chance to return to Earth and start their lives over as infants.
Teen Devils Plot: After making evil mistakes in their lives, Teens who have died too soon reside in Hell, waiting for the chance to lure wayward teens to Satan's side. If the Devils can destroy fifty souls, they recieve their horns, and if they manage to destroy one hundred souls, they are granted the chance to leave the eternal fires of Hell.
This is entirely composed of Made Up Characters.
I think I already have... but, uh..... I'll go check! ^.^