Sometimes, the most vivid characters in fiction are the anti-heroes. Driven by jealousy, greed, malice or desire for revenge, they intentionally harm others and show disregard for the generally accepted values and principles.
Possibly the greatest hero of the "Age of Sail" fiction. Hornblower fights his way through the Napoleonic Wars in eleven adventure-packed novels. Here's a quiz that should be easy if you've read the series and guess work if you haven't.