I'm Romeo & Juliet. I'm David & Goliath. I'm Harold & Maude. I'm also John Cusack and all 9 other characters from the film Identity.
I've always found it fascinating how almost every character driven story seeks to only develop a single character to the point of relatability. There can be fantastic depth of character given to supporting players, but you don't see yourself in them do you? You see yourself in the hero.
Or at least you're supposed to...