Viraldice: 30 Magical, Behind-The-Scenes Facts About ‘Harry Potter’ You Never Knew

he Harry Potter film franchise may have wrapped up back in 2011, but plenty of Easter eggs and little-known facts remain to be discovered. J.K. Rowling's massively popular book series and its accompanying films are a gold mine of fun facts that you may have missed during your initial viewing. Thanks to the cast, crew, and behind-the-scenes insight available from the Warner Bros. studio tour, we've gathered a cache of enchanting and hilarious  Harry Potter trivia.

Here are 30 facts that showcase the magic of the Harry Potter universe:

Lost in translation?

Hogwarts’ official motto is “Draco dormiens nunquam titillandus.” Translated to English, the (very sensible) motto means “never tickle a sleeping dragon.”

Remember the Mirror of Erised from Harry Potter and the Sorcerer’s Stone? Inscribed across it is the phrase: “Erised stra ehru oyt ube cafru oyt on wohsi.” Turns out, the words and sentence are simply backwards; translated, the mirror reads: “I show not your face, but your heart’s desire.”

These child stars had no choice but to keep up with schoolwork.

When you see Hogwarts students doing their homework, that’s not just for show. Child actors in Sorcerer’s Stone are actually doing their homework for added realism.

Even as a youngster, Dan Radcliffe was ready to provide a helping hand.

Sir Richard Harris (the actor who played Dumbledore in the first two films) sometimes had trouble remembering his lines. Daniel Radcliffe (Harry Potter) would ask Harris to help him by running their lines together, just to give Richard more practice (aww!)

Rupert Grint's audition was quite unique.

Rupert Grint, the actor who portrays Ron Weasley, made up a rap for his audition. He recounts it for fans in the video above, and it goes a little something like: “My name is Rupert Grint, I hope you like this and don’t think I stink…”