A shapeshifting plant alien. Nina. Cece. Rox. Simone. Her only identifying trait... Bleeding purple. She grew to care about us. Yet was so determined to finish what she'd started that she only put more people through more seasons of the show. And wanted us dead to live forever in a simulation. Her idea of penance. ...Those who lived stopped her. And convinced her that she'd make up for it by turning herself in and allowing us to return to our lives.