EastEnders fans think they have worked out Theo Hawthorne’s real identity and true motives after Stacey Slater found out he was her stalker earlier this week.Theo quickly became obsessed with Stacey after she started working on Secret Cam, and he took on a fake identity to chat with her. School teacher Theo managed to wiggle his way into the family after he gave free lessons to Lily Slater during her pregnancy. After discovering the truth on Monday night’s episode, Stacey demanded Theo get away from her and her family just as daughter Lily gave birth.