Protagonist Boot Camp: Characters Who Drive a Story

In some circles, there’s a debate over identifying the protagonist in certain stories, such as The Great Gatsby. Is Nick Carraway the protagonist because he’s the narrator and every aspect of the story reflects his point of view? Or is Jay Gatsby the protagonist because he drives the events of the story (leaving Nick as simply the observant vehicle for the tale)?

We won’t delve into that debate here. *smile* But by default, the protagonist is defined as the main character, the hero, the lead...