When the Blues Brothers made their debut on SNL nobody had any idea what to make of them, but by the time Jake and Elwood made the jump to the big screen they had no shortage of fans.Their classic comedy adventure still makes us laugh almost 40 years later, but we bet you never realized these 15 facts about the movie.1. Dan Aykroyd saved Carrie Fisher's life, then popped the questionUniversal PicturesAykroyd and the late Star Wars actress hit it off on set and became an item. But after Aykroyd saved Fisher's life, he decided to take their