Movie villains are some of the most interesting characters in a story. Not only do they drive the narrative forward, they add depth to the storyline and highlight the hero.

Some movies spell out every plot point, while others leave you scratching your head -- these films definitely fall into the latter category.

One thing many people may not realize is that YouTube also offers plenty of free movies to stream — some with commercials, and some without. Here’s our roundup of the best free movies you can watch on ...