I've covered Avril Lavigne. I like good pop songs, and I don't think there should be any kind of preconceptions about where good pop songs come from.
I don't like men who blow-dry their hair. If you are a man and you blow-dry your hair, then I don't like you and that's all there is to it.
To create characters, one must build background. And one of the tools we use is improvisation.