The main character is the lamenting wizard, no doubt. Alongside him, there could be characters such as his family members in the wizarding world, if they exist in this fanfiction's lore. And perhaps there are some ordinary humans who get caught up in the wizard's problems, which further adds to his lament.
Well, the central character is surely the wizard in distress. However, we might also see antagonists in the form of dark wizards or magical creatures that have caused his lament. There could also be a mentor figure from his past who appears in his memories as he laments.
A 'wizard's lament fanfiction' might revolve around the wizard's regret over certain actions. For instance, if he made a deal with a dark force and now has to face the consequences. It could also be about his loneliness, as wizards are often depicted as solitary beings, and this fanfic delves deeper into his feelings of isolation.
As it's OC (original character) fanfiction, the main characters would likely be the original characters created by the fanfic writer. However, they might also include some of the canon characters from 'Siren's Lament' to interact with the OCs.
The central character in 'the wife's lament story' is the wife. She is the one doing the lamenting, so she is at the forefront. Her husband also plays a significant role as his relationship with the wife is the core of the story. He is the one whose actions, whether it's leaving or treating her badly, have led to the wife's current state of distress. There might be other minor characters like the wife's family or the people in the place she has been exiled to, but they are not as central as the wife and her husband.
I'm not sure as I haven't read the specific 'the lament short story'. But usually, in a lament - themed story, there could be a protagonist who is going through a difficult time, perhaps a character who has lost someone or something important.
I'm not sure as the story isn't very well - known to me specifically. But it could be the children themselves, and perhaps their parents or guardians who are also affected by whatever situation the children are in.
Well, obviously the three - tailed wizard himself is a main character. He's likely to be the center of the story, with his unique powers and appearance driving the plot.
A muggle - born wizard could be a main character. They have a foot in both worlds and could be torn between loyalty to their muggle family and friends and their new wizarding life. They might try to broker peace between the two sides.
The main characters are Dorothy, the Scarecrow, the Tin Man, the Cowardly Lion and the Wizard of Oz.
It's possible that some of the minor characters from the original Harry Potter series could take on more prominent roles. For example, Neville Longbottom could be a key character. He has shown great courage in the series, and in this fanfiction, he might be one of the few who can stand up to the black wizard. Also, Professor Snape's backstory and his relationship with the black wizard could be further explored, making him an important part of the story as well.
Since I don't know the specific 'cooking wizard novel', I can't say for sure. But it could be the cooking wizard themselves as the main character, perhaps with some sidekick characters like a magical animal helper or a fellow wizard who is initially skeptical of the cooking - magic combination.