there are 3 main and a few sub characters in this book. harry, Hermione, and Ron are the main characters. then there people like Dumbledore and Draco, Nevile, and Hagrid, who are sub characters. harry is the main character I mean it's not like the title of the book is his name or anything. he is very low key he does not like attention. like when Dobey saves him he tells Doby to never do that again. Hermione is the smart one in the group she is the one that helps you with your homework. and then there is Ron the short-tempered dumb one. he gets into fights and Hermione and Harry breaks them up. the plot of this book is about a boy named Harry Potter and on his eleventh birthday he learns that he is a wizard and he goes to Hogwarts and he soon finds out that his parents were killed by a powerful wizard who he meets at the school and he already saves the school his first year by stopping Voldemort from taking the philosophers stone.