This Friday is National Boss Day... like most of us, you haven't gotten the guy who approves your expense reports a gift yet. (Ahem. You can thank me by Digging this article.) Of course, chances are the big man or woman you work for every day is a puppy dog compared to the 12 Movie Bosses we've compiled for you, all of whom you can check out after the jump.

If anything, the provided clips might make you grateful for the job you have.

Click on each image below to watch a clip of your worst working nightmare: