Watch Robsessed: Inside the Life of Robert Pattinson

Robert Pattinson first made a splash in movies when he was cast as the virtuous Cedric in the fourth Harry Potter movie, but it wasn't until he gained the role of vampire Edward Cullen in the Twilight series that his fame truly took off. Throngs of girls obsessed with Edward suddenly were plastering his picture on their walls and lockers and writing his name in notebooks. He spawned a whole industry of Robert Pattinson merchandise, and many fan clubs were formed to celebrate him. Here, many of his fans explain what it is about him that makes him so appealing.