The Secondary Characters
As comic book characters go, there are few as unique as the people who make up Hellboy. There are no demi-gods, no millionaires, no government-designed super soldiers, or brilliant (and well-funded) scientists that come together under the auspices of a government entity to protect the world. Instead, the heroes of Hellboy are freaks and misfits, the rejects of society, operating under the cover of darkness as much because they would be derided, feared, and rejected by the people they protect as because their missions are secretive.
Abe Sapien is a genetic anomaly, Liz is a pyrokinetic who has difficulty controlling her powers, and Hellboy himself is a gigantic red demon who may have been originally intended to destroy the world, not save it. Even Myers, a human agent, and Tom Manning, the head of the organization, are underdogs – put upon flunkies trying to keep things moving, not major government heads. The Hellboy franchise is the franchise celebrating the weird, the outcast, and the bizarre. How many other franchises in Hollywood do that?