friends with Aleisha and Brooke. Courtney travels with Ed to the Tower of London. Froggie – Zohra's brother. The two cute little siblings enjoy chatting with Arthur, Justin, and Wiki. Froggie is bitten by Frederique Morel, but he is fine afterward. He is seven years old and looks a bit like a frog. Liam Thorne – Greg Thorne's young son. When Greg realizes he is not immune to the disease and, because he has become infected, he cannot care for Liam, he strangles his son. Greg then carries Liam's body wherever he goes, until he later drops it from a bridge. Zohra – Froggie's nine-year-old sister. The two cute little siblings enjoy chatting with Arthur, Justin, and Wiki. The Imperial War Museum group Dognut – A boy in the Imperial War Museum group. Dognut is ratty and wiry, and deeply respects Jordan Hordern, for whom he appears to serve as second-in-command. At the end, Dognut leads a group away from the Tower of London to search for other kids who were separated from their group. Jordan Hordern – The leader of the Imperial War Museum group. Jordan is very interested in war and strategy, and he takes control when his group arrives at the Tower of London. David King's group Andy Thomas - A boy in David's group who has a big nose, and recognizes Ed Carter, as he also played football. David King – A posh boy from a private school in Surrey, called St. Hilda's. He rescues Ed and escorts the Rowhurst students across London with his own group. He starts off as simply sanctimonious and subtly narcissistic, but shows himself to be increasingly psychopathic and violent by nature - a dark side that heavily worsened by the time of The Enemy. Pod – A boy who serves as head of security for David King. Adults Greg Thorne/"Saint George" – Liam Thorne's father; he later calls himself "Saint George". Greg is an adult who claims he is "immune" to the disease. He is driving a coach bringing Aleisha, Brooke, and Courtney back to England after the disease breaks out on their school trip to France. South of London, he picks up the Rowhurst students and Frederique Morel. Later, he becomes infected, dons a shirt decorated with a St George's Cross, and becomes a leader for infected adults. He serves as the book's main antagonist. Monsieur Morel – A