sulwen | Why I Still Like Sera Gamble...

...even though it seems like parts of fandom really hate her:

Well, he [Castiel] certainly has been a hit with fans. Were you nervous about bringing him into the show?

No, I wasn't. I saw five minutes of dailies from our season premiere, and I said, "That guy is going to be the biggest thing since Sam and Dean." [Creator and executive producer] Eric [Kripke] and Bob [executive producer Robert Singer] were like, "Well, he's really good, but …" And I was like, "No, you don't understand. Within an hour of this airing there are going to be little avatars of him and there are going to be fans sites about him." And they're like, "You think?" "Yes, I'm positive."

First of all, he has this rock-star entrance. And there's chemistry between him and the boys. And there's a way that his character is positioned that is both ominous and helpful. He doesn't quite threaten the relationship between the brothers, which is always the danger zone for characters we introduce. He's male, which is helpful. And he's played by Misha, who is very talented.

LOOK AT THAT ANSWER, GUYS. SHE TOTALLY GETS IT.