The "Harry Potter" movies and novels are finished, for now, but JK Rowling is not done with them.

At least when it comes to peeling back the curtain for some behind-the-scenes facts about the world of Harry Potter.

With the help of her beans-spilling Twitter, Rowling has recently dropped several bits of trivia to satisfy her fans' need to know more about their favorite characters or moments. Here are seven secrets she revealed that saved the internet -- and also probably made several Potter fanatics go all brainsplode.