georgeweasley fredweasley harrypotter hermionegranger ronweasley hogwarts ginnyweasley dracomalfoy lunalovegood siriusblack gryffindor remuslupin severussnape hufflepuff jamespotter nevillelongbottom slytherin albusdumbledore ravenclaw voldemort lilypotter dumbledore arthurweasley hogwartsexpress jkrowling mcgonagall mollyweasley weasley bellatrixlestrange emmawatson harrypotterelimination