I am speaking in Godric's voice, the Hat explained, ignoring her stated question in favor of the one she was thinking about. But since I borrow the student's own intelligence to speak to them, I sound the way they are most comfortable with - indeed, for Megan Jones I believe I was actually speaking in Welsh. And yes, you do get to choose. You do not need someone to tell you what to be, you need to be forced to make a decision you have thus far put off ... how do you want to identify yourself, Morag MacDougal?