Caprica Six

• Also known as

Cylon model Number Six is a series of female humanoids that are known by various aliases (among these are Shelly Godfrey, Gina Inviere, Natalie Faust, Lida, and Sonja). One of these humanoid Cylons, referred to only as Caprica Six, seduced and tricked Doctor Gaius Baltar into betraying the human race.