Hermione Granger

Hermione Jean Granger (b. September 1, 1979) is a fictional character and the tritagonist of J. K. Rowling's Harry Potter series. She first appears in Harry Potter and the Philosopher's Stone as a new student on her way to Hogwarts alongside Harry and Ron. She often uses her quick wit, deft recall, and comprehensive knowledge to help them. Rowling has stated that Hermione resembles herself at a younger age, with her insecurity and fear of failure.