Some Harry Potter lines never left the fandom. They escaped the books, colonised the movies, and quietly embedded themselves into pop culture as memes, tattoos, and emotional support quotes.

The Harry Potter books have many secrets that fans don't know about, and this is most proven in characters like Severus Snape.

Kendall Myers is a Senior Author with Collider. As part of the TV and Movies Features team, she writes about some of the most popular releases before, during, and after they premiere. In three years, ...