In 'new gundam breaker story', the main characters are most likely to be the Gundam pilots. These individuals are in charge of their respective Gundam units. They have to navigate through the challenges of the story's world, which includes battles and customizing their Gundams. Their skills, personalities, and relationships with each other would be important aspects of the story. There could also be some supporting characters like technicians who help with the Gundam maintenance and upgrades.
The 'new gundam breaker story' typically involves battles between Gundam models. It has a lot of mecha action where players or characters customize their Gundam units and engage in combat scenarios, often with a focus on strategic use of the different parts and abilities of the Gundams.
Banagher Links is one of the main characters. He has a strong connection to the Unicorn Gundam.
Char Aznable is one of the main characters in the Gundam Origin Story. He plays a significant role in the events leading up to the Gundam's creation and the early conflicts.
There's no way to tell exactly who the main characters are without reading the fanfic. However, in a fanfic with such a title, one could assume there's a central 'breaker' character. This character might be joined by allies or opposed by antagonists. Maybe there's a group of characters representing 'the mighty' that the breaker has to face off against.
I don't know as I haven't read it. But typically in a novel, there could be a protagonist, who is usually the central character around whom the story revolves. There might also be an antagonist, someone who creates conflict for the protagonist.
I don't know as I haven't read the 'doom breaker novel'. It could be a lone hero or a group of diverse individuals.
The main characters in the 'breaker boys novel' are probably centered around the breaker boys. There could be a protagonist who is a breaker boy with big dreams, despite his difficult circumstances. He might be friends with other breaker boys, and together they face the challenges of the mine. There could also be an antagonist, perhaps a cruel mine owner or a corrupt supervisor who makes their lives even more miserable. And there may be other characters like a kind - hearted cook in the mine cafeteria who offers some comfort to the boys.
Since we have no information about the 'heart breaker 2019 novel' other than its title, it's hard to say who the main characters are. However, it's likely that there's a central character who is the heart breaker. There may also be a love interest or a group of friends who are affected by this person's actions.
Since I don't know the exact 'heart breaker novel', I can't say for sure. But typically, there would be the heart breaker character, who could be male or female. There might also be the ones whose hearts are broken, like a jilted lover or a group of friends affected by the heart breaker's actions.
Since it's a fanfic, the main characters could be anyone from the original source material that the fanfic is based on. Maybe it's the protagonist who turns into a bond breaker, or it could be a new character introduced specifically to break the bonds in the story.