Perhaps the main character is a young person who is chosen by Death to be under his 'godfather' - like care. And there could be an antagonist, someone who tries to interfere with the relationship between the main character and godfather death, maybe a witch or a greedy person who wants to use the power of death for their own evil purposes. There might also be some supporting characters like the village elders or other people in the community where the story is set who react to the strange happenings related to the godfather death.
Since I haven't read the 'godfather death graphic novel', it's hard to say exactly. But it's likely that the main character is the one who has a special connection with Death as his godfather. There could be a love interest in the story as well, a female character who is either in love with the main character or is also involved in some way with the godfather death situation. And then there could be some side characters like a wise old man or a young apprentice who are there to add more depth and context to the story.
Obviously, Death is one of the main characters as he is the godfather. There might be a protagonist whose life is intertwined with Death's actions.
In the 'Godfather Graphic Novel', you've got Vito Corleone at the center. He's the patriarch, a shrewd and feared man. His son Michael is a key character too. Michael starts off as the 'good son' but is gradually transformed by the family's affairs. Another important one is Sonny Corleone, Vito's hot - tempered eldest son. These characters drive the story forward with their actions, decisions, and relationships.
The main characters are the man who makes Death his godfather and Death itself.
I'm not sure specifically as I haven't read it in detail. But generally, it might be about a story related to the concept of 'godfather death' in a graphic novel format, perhaps with themes of mortality, fate, and the relationship between a special 'godfather' figure and the characters in the story.
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.
Since I don't know the exact details of this graphic novel, Rorschach is likely to be one of the main characters, given the title. There might also be characters who are related to him, like his allies or enemies.
Since it's called 'The Merchant of Death Graphic Novel', the merchant of death is bound to be one of the main characters. There could be customers or clients of this merchant who also play important roles. Maybe there are some sort of enforcers or protectors in the story as well, who either help or hinder the merchant's activities.
There could be a doctor or a nurse as main characters. They would be involved in the care of the dying and might be facing moral and ethical challenges in their profession related to death. For instance, they may have to decide when to stop treatment or how to communicate bad news to the patient's family. Their stories can show the complex relationship between the medical field and death.
I don't know who the main characters are in the 'death of dulgath graphic novel' since I haven't read it.