The western genre has evolved a lot since the spaghetti era, but I keep coming back to bounty hunter leads because of that fundamental contradiction they embody. They're agents of order, but they operate entirely outside the law's niceties. A sheriff needs warrants and jurisdiction; a cowboy bounty hunter just needs a wanted poster and a grim determination. That creates instant moral complexity. Is he doing it for the money, for justice, or for something more personal? A great example is Emilio Montez from 'The Gunslinger's Debt'—he's haunted by the bounties he's collected, seeing their faces in his sleep, which makes his steely exterior all the more tragic. The 'cowboy' part adds that layer of romantic, almost mythical loneliness. The open trail, the saloon entrance, the code of honor that's self-imposed rather than legislated. It's the ultimate freelance operator fantasy, mixed with a dash of self-destructive noir. You're never quite sure if he's the hero or just another predator cleaning up the territory.
What really hooks me is the perpetual state of transition. He's always between towns, between jobs, between moral choices. There's no home, only the next destination. That rootlessness is perfect for serialized storytelling and for exploring a world piece by piece through his jaded eyes. The best ones aren't invincible either; they get tired, they run out of bullets, they question their path. That vulnerability under the tough-guy veneer is everything.