Supernatural's Castiel: One Sexy Servant of God!

"Today you're *my* little bitch."- Castiel speaking to the Archangel, Raphael.

Guilty as charged! I watched season six of Supernatural, for the second time. Unfortunately, I have not had the pleasure of viewing season seven. This is very sad (I am a huge dork!). I do know one thing: Castiel is one sexy angel! Don't know who Cas is? Let's summarize the character for you.