Billy has no place in the world he wants to be, but she is a regular girl who got to appear on TV as a - That is another question for which I have no answer. Penny is meant to stand in for everything Billy wishes to be or is not. Why is Penny such a loser in Dr.? The outcome is both poignant and humorous, with witty songs commemorating each stage of the trip. Horrible's plan for supervillain...