Disney and Pixar are really good at three things: making movies, keeping secrets, and connecting their characters to each other. You've got Rapunzel and Flynn Ryder from Tangled showing up in Frozen and theories that suggest connections between Tarzan and Beauty and the Beast — the list just goes on and on and on.
But back to the whole "keeping secrets" thing. There's a lot of crazy fun facts out there that you might not know. Like for example, do you know Boo's real name from Monsters, Inc.? Or who Wall-E is named after? Or what kind of animal Beast was supposed to be?
Click through the gallery for 16 unbelievably shocking facts about your favorite Disney movies! Which ones surprised you the most? Let us know by leaving a comment!