It's funny how a little knowledge can completely change your perspective on something. The movies on this list are all pretty popular and most of us have probably watched them without even realizing that there was more going on there.
Ewoks from 'Star Wars,' for instance. Most of us just remember their cute little faces and funny little 'Chipmunks'-ish language. The majority of have completely glossed over the fact that these cute little s**ts were gonna absolutely eat Han Solo and CLEARLY had engaged in this sort of behavior before.