20 Harry Potter Facts That Most People Might Not Know

Harry Potter and Lord Voldemort are very distantly related from many generations through the families of Ignotus Peverell and Salazar Slytherin.

Ron's Patronus was a Jack Russel Terrier which has been known to chase otters. Incidentally, Hermione's Patronus was an otter.

When the dementor attacked Harry and Dudley in Order of the Phoenix, Dudley saw a vision of himself and just how rotten he was.

To connect more with their characters, the director asked Dan, Emma and Rupert to write essay's on their characters in the first person. Emma wrote a 16-page essay, Daniel wrote a 1-page one and Rupert never even gave it in.

Snape hated Neville very much because he was also born in the end of July, meaning, he could have also been the one referred to in the prophecy and Lily wouldn't have died.

Snape was the only death eater who could conjure a Patronus because of his happy memories with Lily.

Daniel Radcliffe and Rupert Grint both admitted to having crushes on Emma Watson while she had one on Tom Felton and Tom had one on Helena Bonham Carter.

Hermione Granger is the oldest of the trio while Emma Watson is the youngest.

There was only one enchanted staircase, of the 142, made for the films while the rest were all digitally multiplied.

The actress who played Moaning Myrtle, Shirley Henderson, was actually 37 years old when she acted as 14-year old Myrtle in Chamber of Secrets.

Viktor Krum asked Hermione to the Yule Ball 3 times before she said yes because she kept hoping Ron would ask her.

Daniel Radcliffe's parents allowed him to stay up half an hour extra when he found out that he was chosen for the Harry Potter role so as to celebrate.

Tom Felton's robe pockets were sewn shut during the filming of Prisoner of Azkaban because he kept sneaking food onto the set.

The first Harry Potter book was released in 1998, the same year as the Battle of Hogwarts took place.

Remus Lupin can be rearranged to spell Primus Lune which literally means 'full moon' in Latin.

Voldemort cannot love because he was conceived under the effects of a love potion.

About 16,000 people auditioned for the part of Harry. Daniel's parents initially refused to let him audition but later he met with the director, Chris Columbus, which is how he got the role.

Emma Watson's favourite Harry Potter prop in the films was the time-turner.

James Potter always suspected that Snape had feelings for Lily which explains his behaviour towards him during their school days.

Voldemort cannot conjure a single Patronus because he doesn't have a single happy memory.