Hermione Jane Granger is a fictional character of the Harry Potter book series. She is a young female student at Hogwarts and, with Ron, one of Harry Potter's two best friends there. She is slightly bossy, and bookish. Her thirst for knowledge comes in useful in many of their adventures. One of her favourite subjects at school is Arithmancy. Her birthday is September 19th.

Emma Charlotte Duerre Watson (born April 15, 1990) is a British actress who played Hermione Granger in the Harry Potter films Harry Potter and the Philosopher's Stone (2001) and its sequels Harry Potter and the Chamber of Secrets (2002) and Harry Potter and the Prisoner of Azkaban (2004).

A Muggle is a fictional term from the Harry Potter series of books referring to a human person with no magical abilities. The term has found its way into more common English usage by those in small specialized groups to refer to those outside the group. This sense comes from the fact that the magical people in the Harry Potter universe are far outnumbered by the muggles.

Gryffindor is Harry Potter's house at Hogwarts, where he shares a room with Ron Weasley, Neville Longbottom, Seamus Finnigan, and Dean Thomas. Hermione Granger shares a room with Parvati Patil and Lavender Brown.

Hogwarts School of Witchcraft and Wizardry is a fictional magic school that is the main setting of the Harry Potter novels by J. K. Rowling