Hermione Granger sometimes helps Harry find his classes. Ron Weasley also leads Harry to his classes sometimes. Fred and George Weasley are Ron's twin brothers. Known for their mischief-making capabilities, they teach Harry the basic actions of climbing and jumping in the beginning of the game. They also trade Bertie Bott's Every-Flavour Beans for Chocolate Frog cards during the course of the game. Draco Malfoy is Harry's nemesis. Malfoy is usually seen with his cronies, Vincent Crabbe and Gregory Goyle.