Hermione Jean Granger is one of the main characters of the Potteriana, a friend and classmate of Harry Potter and Ron Weasley, a member of the Golden Trio. The only daughter of Mr. Granger and his wife. Hermione is very fond of studying and devotes a lot of time to it. She is sometimes too arrogant and overly proud of her academic success. She is ambitious, in the classroom she always tries to answer first and stand out with her knowledge, for which many, not without reason, consider her a "know-it-all" and "nerd".