1. JK Rowling and Harry Potter share their birthdays. JK Rowling confessed that although she related more to Hermione Granger, who had otter, her favorite animal as her patronus. She found it cool to have the protagonist share the same birthday as her.
2. The full name of JK Rowling is Joanne Rowling. For some time it was not known what the “K” meant within the author’s name, but afterwards it was revealed that in reality, this letter was not meant to represent another of their names, but rather it was a kind of homage to memory of Kathleen, her grandmother.
3. JK Rowling had always planned since the beginning to make Hagrid hold Harry at the end in The Deathly Hallows.
4. Dementors in the story were inspired by depression that JK Rowling experienced after the death of her mother in 1990. She made the creature as someone that thrives on human happiness.
5. The name of the first book was supposed to be Harry Potter and the School of Magic, but the editors rejected the idea claiming that the name was too generic.
6. The reason why Joanne Rowling did not sign her works with her full name and decided to use the pseudonym of JK Rowling was because she felt the readers could not take it seriously if they found out that she was a woman.
7. The ghost of a 14-year-old girl Moaning Myrtle was portrayed by a 36 year old actress Shirley Henderson. The producers decided that age would not matter because of the special effects given to the character of the ghost.
8. Though Quidditch is the most popular sport among witches and wizards in Europe. In the United States, however, the Quodpot game is more popular.
9. Professor Snape is based largely on JK Rowling’s former chemistry teacher.
10. Fred and George Weasley’s birthday is April 1. George Weasley, on growing up married his Hogwarts date, Angelina Johnson. Together, they have two children: Fred and Roxanne.