Helen is a 900-type phone sex operator that Locke was infatuated with, after breaking up with the real Helen, with whom he had had a relationship. She charged $89.95 an hour, and Locke had spent a great deal of money talking to her over an eight-month period. He bought two tickets to Australia, and hoped that she would go with him. However, she turned him down, saying that she was not allowed to meet "customers". ("Walkabout")
- Producers Damon Lindelof and Carlton Cuse confirmed in an Official Podcast that this Helen is different from the Helen with whom Locke had a "real" relationship.