1. Angel Castiel
This is the face that everyone remembers because no matter what face he uses, Castiel is always an angel.  Maybe not literally (especially that episode with the Pizza Man), but figuratively, he is always an angel.  I really miss seeing his wings and beautiful eye stare-downs.  This is the traditional Cas that we all know and love.

2. Drunk Castiel
Oh, Cas.  It's the end of the world, the angel got thirsty.  This was so cute and hilarious because seeing our favorite angel drunk put a new spin on things.

3. Stoned Castiel
I remember this episode just because of Castiel's hair.  Where is his comb or razor?  He looked so different that it took me by surprise.  I remember right after these girls walk out, Dean goes, "Are you stoned?" Cas: "Generally, yes." Well, something like that.  I had to pick my jaw up off the floor.  Where's my angel?

4. Castiel as God
I couldn't find any good gifs for Cas being God, but this is a pretty good one.  All I can say is: at least, he shaved.

5. Castiel as Misha
This episode is The French Mistake, which might be one of my favorite episodes of Supernatural.  Now think about this.  This is Misha Collins, who usually plays Castiel in the show, is really playing himself as a character but Sam and Dean think he is Castiel.  Confusing?  Isn't that whole episode?  It is so great.

6. Hungry Castiel
Just the idea of Castiel eating hundreds of hamburgers makes me happy.  It was so random and still so awesome.  Castiel/Jimmy has a craving for hamburgers.  Who knew?

7. Castiel as Leviathan
Castiel being taking over the Leviathans might have taken about five minutes long.  That is how long this face lasted, but it was one of my favorites.  Not because it shows how awesome Cas is, but because it shows how awesome Misha can act.  I realized in this moment that Misha can play a really good guy and a really really bad guy.  Plus, whoever did the tree-veins on his neck should get an award because all the blood on Cas was so creative.

7. Human Castiel (as Jimmy)
I miss Jimmy.  We don't really get enough of him and I think we should.  At times, I sometimes forget that Castiel is using Jimmy's body to be on earth.  See, so Cas is not even wearing his real face.

8. Crazy Castiel
I wasn't sure what else to call him.  Lately this is all I have seen of my wonderful Castiel. This one likes to be unhelpful unless you want to play a board game with him.  As much as I would love to play Twister or Sorry with my favorite angel, I don't want to play games when Sam and Dean are in the middle of something.