Dean, Sam, and Castiel are all obviously the trio but your an angel that helps them. You've always told them that your just some lower class angel helping them but you are really much more powerful, they just don't know.

Dean and Sam are fighting you

Dean: "Your a cold-hearted, bastard you know that? I hope I never have to see your again, and I think I speak for a lot of people and angels, don't I"

Sam: "Good one" smirking