Since we don't have much information about this'red blood graphic novel', the main characters could be a group of people in a small town where a strange phenomenon related to red blood starts to occur. There could be a young and curious character who starts to investigate, an older and wiser character who has some knowledge about the past events related to red blood in the town, and a villainous character who wants to exploit the situation for their own gain.
Since I haven't had the chance to read 'In the Blood', I can't say who the main characters are. However, in most graphic novels, the main characters are usually the ones driving the plot forward. They could be ordinary people who find themselves in extraordinary situations, or they could be heroes or anti - heroes with unique abilities or characteristics related to the 'in the blood' concept.
I don't know who the main characters are without reading the novel. It could be a group of adventurers.
For a graphic novel related to 'The Red Badge of Courage', the main character is the young soldier. He is initially filled with fear and self - doubt about going into battle but goes through a transformation as the story progresses.
There could be a hero - like character who is bound by the blood promise. Maybe there's also an antagonist who tries to stop the protagonist from fulfilling the promise. And perhaps some side characters who help or hinder the main character along the way.
Not having read the 'bad blood graphic novel', we can only speculate. There could be a young and idealistic character who is shocked to discover the bad blood in their community or family. There might be an older, wiser character who has been living with this bad blood for a long time and has some insights into it. And then there could be a mysterious character whose actions or secrets are at the heart of the bad blood.
In the 'Books of Blood graphic novel', the main characters are often complex individuals. Some are haunted by their own past actions and are then thrust into new horrors. There could be a reclusive writer who starts to experience real - life manifestations of the dark stories he writes. Each character, whether they are victims, heroes, or something in between, adds to the overall atmosphere of horror and mystery in the different tales within the graphic novel.
Typically, the main characters could be the star players from different teams, like the orc blitzer who is known for his powerful tackles or the elven runner who is super fast.
The Blood Angels themselves are central characters. Their leaders, like Dante, are likely to be main characters. He is a powerful and respected figure within the Blood Angels chapter.
I'm not sure as I haven't read it. But they could be people who are somehow related to the 'old blood' concept, like an old bloodline's heir.
I don't know who the main characters are as I haven't read this graphic novel. It could be a detective who is investigating cases related to the fake blood. Maybe a young artist who discovers something strange about the fake blood.