Merlin and Supernatural

I know this is kinda lame, but as I was watching Merlin, I began to notice that Bradley and Jensen have a lot of the same facial expressions. I mean when they both act like something is funny, or if they are really friggin proud of themselves they both get that adorably dorky smirk on their faces, and then I found myself thinking 'Hey so THAT'S why I like Arthur so much! He's Merlin's Dean as Merlin is his Sam!' (I've been watching Supernatural longer than I have been watching Merlin, so that's why I made the connection.) And then I started thinking that both Jared and Collin have those puppy dog faces.