10 Harry Potter Fun Facts You've Never Heard

Rowling revealed in a 2017 tweet that she’d first written the names for the famed Hogwarts houses (Hufflepuff, Ravenclaw, Slytherin, and Gryffindor) on a barf bag provided to her on a flight.

J.K. Rowling first wrote the names of the Hogwarts houses on a barf bag.

In a 2003 interview with 60 Minutes, Rowling revealed that she’d taken inspiration for the naming of various fictional plants from a real book; Culpeper’s Complete Herbal, a botany compendium written by 17th-century herbalist and physician Nicolas Culpeper.

The myriad of names for the universe’s magical flora come from a real book of botany.

In a 2013 interview with the actor behind Harry Potter himself, Daniel Radcliffe, the author admitted she’d once seriously considered killing off Potter’s right-hand man and best friend, Ron Weasley.

Rowling considered killing off a member of the franchise's beloved trio.

While reviewing the series 5th installment, Harry Potter and the Order of the Phoenix, the de facto king of horror lit stated, “The gently smiling Dolores Umbridge, with her girlish voice, toad like face, and clutchy, stubby fingers is the greatest make-believe villain to come along since Hannibal Lector.”

Even Stephen King was afraid of Dolores Umbridge.

Throughout the duration of the series, Harry’s lichen green eyes he’d inherited from his mother are a notable, oft-remarked-upon feature in the books.

Harry’s eyes aren’t green in the films for a very specific reason.

Despite her impeccable portrayal of the ghost of a sordid 14-year-old girl, Shirley Henderson, the actor cast to play Myrtle, was 36 at the time of filming The Chamber of Secrets.

The actor portraying Moaning Myrtle was much older than her character.

Throughout the course of filming the franchise’s 8 installments, makeup artists emblazoned Radcliffe and his stunt doubles with Harry’s iconic lightning bolt scar more than 5,000 times.

Makeup artists applied Harry’s iconic lightning bolt scar thousands of times.

Rowling told Oprah Winfrey in 2010 that the King of Pop had once approached her with a proposal to adapt the Harry Potter books into a musical.

Michael Jackson wanted to compose a Harry Potter musical.