Lots of websites have Harry Potter fun facts, but this list includes some even a dedicated potterhead might not know.

List 25 brings us these nuggets of wisdom and more.

Rupert Grint dressed up like his female drama teacher and rapped about Ron Weasley for his audition tape. His rap began, “Hello, my name is Rupert Grint, I hope you don’t think I stink.”

…Contrary to popular belief, the ‘t’ at the end of Voldemort is silent. The name comes from the French words meaning “flight of death.”

…An outbreak of lice occurred among the children cast members during the filming of “Harry Potter and the Chamber of Secrets.”

…J.K. Rowling is the first person to become a billionaire (U.S. dollars) by writing books.

…One of the flying cars used in “Harry Potter and the Chamber of Secrets” was stolen off the set. It was discovered seven months later when an anonymous caller informed police of its whereabouts.

What were your reactions to these facts?