The godchild would also be a main character. They might start as an innocent youth who gradually discovers the truth about their godfather's world and has to decide what to do about it.
Perhaps the story focuses on the godfather teaching his godchild the values and code of the family business in a more positive light, like loyalty and honor, while also trying to keep him away from the violent aspects.
I don't know for sure since I haven't read it. But most likely, the main character would be the kage. There could also be other important ninja characters in the village, like the kage's advisors or some powerful ninja warriors who play significant roles in helping the kage fulfill their duties.
Another main character could be the godfather's most trusted consigliere. This person would be involved in planning and strategizing to help the godfather keep his promise. And of course, there would likely be an antagonist, perhaps a rival gang leader who wants to stop the godfather from fulfilling his promise.
Harry Potter is central as the story often revolves around his relationship with his godfather Sirius. Hermione and Ron may also be main characters as they are Harry's best friends in the original series. But in 'godfather Harry Potter fanfiction', they might interact with Sirius in different ways. For instance, Sirius could give them special magical training or advice that they don't get in the original books. Additionally, Severus Snape can be a key character as his relationship with Sirius and Harry can be explored in new and interesting ways in these fan - created stories.
The main character is Michael Corleone. There are also his family members like his daughter.
The main character is the player - controlled character who is trying to make a name for himself in the Mafia. There are also other important characters like the heads of the different Mafia families.
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.
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.
Beckett is the central figure here as the story revolves around her being hurt in the line of duty. Castle, her partner and love interest, would play a significant role. Additionally, the captain of the precinct might be a main character as he would be involved in the decisions regarding Beckett's situation, such as her leave of absence and the investigation into her injury.
I'm not sure as there are many novels that could potentially have 'duty and honor' in their themes. However, typically, there could be a noble - hearted protagonist who is deeply committed to his or her duty and has a strong sense of honor. Maybe a knight or a police officer type of character.