Maybe there are ordinary people as main characters too. For example, a family man who lost his job due to the economic turmoil on Black Tuesday. There could also be a journalist who is trying to report on the events and expose the truth behind the crash. And perhaps a street - smart entrepreneur who is looking for ways to make a living in the new, difficult economic situation.
I think the main theme could be a portrayal of resilience in the face of disaster. Given that Black Tuesday was such a cataclysmic event in economic history, the novel may focus on characters who are either trying to overcome the difficulties brought about by it or who are learning to adapt to a new and harsher reality.
The principal characters in the 'Tuesday with Morrie' full story are Mitch and Morrie. Mitch Albom, a busy journalist, is reconnected with his old college professor, Morrie Schwartz. Morrie is terminally ill, and Mitch starts to visit him regularly on Tuesdays. Through their interactions, we get to know their personalities, Mitch's journey of rediscovery and Morrie's wisdom in the face of death. It's really their relationship that drives the whole story forward.
Since we don't have much information about the 'black dwarf novel', it's difficult to say. But if it's named after the black dwarf, chances are that character is central. There might also be other characters like friends or foes of the black dwarf. Maybe there's a mentor figure who helps the black dwarf in his journey, or an antagonist who tries to stop him from achieving his goals.
I don't know the specific 'black vow novel' so I can't say who the main characters are.
There might be a young protagonist in the 'Black Cauldron' novel. This character could be on a journey to discover the secrets of the black cauldron. There may also be a villain who wants to use the cauldron for his own dark purposes. And perhaps there are some side characters, like a wise old mentor who gives advice to the hero or a loyal friend who accompanies the main character on their adventures.
The main character is Black Beauty, the horse. And there are also his various owners like Squire Gordon who is a kind owner, and Jerry Barker, a cab driver who treats Black Beauty well.
Well, without having read the 'the black pearl novel', we can only guess. There could be a brave female protagonist who defies the norms of her time and sets out to discover the secrets of the black pearl. There might be a grizzled sea captain who has been searching for the pearl for years. And then there could be a local islander who has some ancient knowledge about the black pearl and its true nature. These characters could interact in various ways, with their own motives and desires, all revolving around the mysterious black pearl.
Since we don't have a lot of information about this novel, it's hard to say exactly. However, if the black buck is a central figure, there could be human characters who are either friends or foes to it. Maybe there's a character who is trying to protect the black buck from harm, and another who is interested in its value, whether it's for hunting trophies or some other reason.
The main characters of 'Black Narcissus' are the nuns who attempt to establish a convent. Sister Clodagh, as the leader, is full of internal conflicts. She has memories of her pre - nun life that keep resurfacing. Sister Phillipa is a simple - minded nun who is also affected by the new and strange environment. Sister Ruth, on the other hand, gradually succumbs to the allure of the outside world and her own repressed desires, and these characters' interactions and their individual struggles form the core of the story.
The main characters are the black brothers. They could be different in personality. One might be more outgoing and adventurous while the other more reserved. There might also be an antagonist in the novel, someone who creates obstacles for the brothers, which in turn helps to develop their characters.