I know that I've got big ears and a big forehead and that my hair sticks up. But I'm happy with myself. I'm not necessarily trying to win a beauty pageant here.
The language fictional characters use is chosen for effect, at least if the author is concentrating.
At an early school, when I was about 5, they asked what we wanted to be when we grew up. Everyone said silly things, and I said I wanted to be an actress. So that was what I wanted to be, but what I was, of course, was a writer.