 Theories about unknown aspects of her life exist, including assumptions she was once a DHARMA Initiative employee, an Other, a person planted by Desmond's flashback characters Mrs. Hawking and Brother Campbell.Her surname was not given during the show's run, but was later revealed as "Smith" during Comic-Con 2009 in an clip show of Lost's major death scenes.The producers brought the character back to the show in the second half of the final season.