From left to right, Emma Watson as Hermione Granger, Daniel Radcliffe as Harry Potter and Rupert Grint as Ron Weasley in "Harry Potter and the Deathly Hallows: Part 2," a Warner Bros. Pictures release.
Ready to get started? Answer the following questions as best you can (no cheating), and check your answers against those underneath the last two photos. It's worth getting off your high hippogriff and giving it a try: