Batman and the Joker are the two most prominent characters. Batman is the hero trying to protect his family, and the Joker is the villain out to destroy it.
In the 'Death of the Family Graphic Novel', Batman is the lead character. He has his family of sidekicks and allies like Robin, Nightwing, Batgirl etc. But the most crucial character besides Batman is the Joker. The Joker's actions drive the whole narrative. His goal of targeting Batman's family makes him the central villain. Other characters like Alfred, who is Batman's butler and a key figure in the Bat - family, also play important parts in the story as they are all affected by the Joker's malevolent scheme.
I'm not sure specifically as I haven't read the exact graphic novel. But generally, in a story about death in the family, there would be family members like parents, children, and maybe siblings. There could be a central character who is most affected by the death, perhaps a child who loses a parent and has to deal with the new reality.
I'm not sure as I haven't read it, but it could be the family members directly affected by the death. Maybe a grieving mother, a confused child, or a stoic father.
Most likely Batman and the Joker. Since it's about the Joker's actions in relation to 'death of the family', Batman would be the main hero trying to stop him.
The main characters are Batman and Robin (Jason Todd). Of course, there are other characters in the Gotham universe that are involved in the story too, like the Joker who plays a major villainous role in this story.
In the 'Batman: Death in the Family' graphic novel, the key characters are Batman, who is on a mission to protect Gotham but fails to save Jason Todd. Jason Todd, the young and somewhat rebellious Robin, is a major part of the story. His relationship with Batman was complex. And then there's the Joker, the chaotic and evil villain whose actions drive the whole tragic plot forward.
The main characters are Batman and the Joker. Also, Batman's allies such as Robin, Batgirl, Nightwing are important as they are the targets of the Joker's attacks.
There are several main characters. Batman is one of the central figures. His reactions and actions are crucial as he deals with the death in the family. Robin also plays a major role, whether it's as a victim or in the context of how others react to his situation. And of course, the villains who are involved in the events leading to the death are important characters as well.
The key characters are Batman, Jason Todd (Robin), and the Joker. Batman is the main protagonist, Jason Todd is the victim whose death drives the story, and the Joker is the villain responsible for the death.
The main character is, of course, Death of the Endless. She is a central figure in the story.
Typically, the main characters would be those from 'The Death Cure' story. This might include Thomas, who is often at the center of the action, fighting against the virus and trying to save his friends. There could also be Newt, Minho, and other important characters who play significant roles in the battle against the Flare and the search for a solution.