Obviously, the main characters are the biker and his girl. But we don't know much more without reading the novel. They could be named anything, and we can only assume they are the central focus of the story.
The main characters are, as the title implies, the biker and his girl. The biker is likely to be a rough - and - tumble character who loves the freedom of the open road on his motorcycle. His girl is probably someone who is attracted to his free - spirited nature or has her own reasons for being with him. We can also expect other secondary characters like friends or foes within the biker community to play a role in the story.
I'm not sure specifically as I haven't read it. But it might be about the adventures and relationship of a biker and his girl. It could involve their travels on the biker's motorcycle, the challenges they face together, and how their love story unfolds during their journeys.
Obviously, Poppy and Walker are the main characters.
I assume Gilgamesh is one of the main characters since he is in the title. But other than that, without more information, it's hard to say who else might be a main character. It could be his biker friends or some sort of antagonist in the biker world he inhabits.
In many 'Percy is a biker' fanfictions, Percy is the central figure. However, new characters could be introduced. For example, there could be a rival biker who turns out to be a demigod from another camp. This would create a lot of tension and interesting plotlines as Percy has to deal with both his biker rivalries and his demigod duties.
Another common character is a female biker friend, say, Lily. Lily and Bella become really close friends. They go on rides together, share their stories, and support each other. In some fanfictions, there might also be a rival biker, someone who challenges Bella's place in the biker community.
In some fanfictions, there could be new characters introduced that interact with the Biker Mice. For example, a female mechanic who helps them upgrade their bikes. But overall, it's still the Biker Mice that drive the action. They are the ones who face the challenges and save the day in most of these stories.
Since I haven't read the novel, I can't tell for sure. But it's likely to be the guy who is spoiling and the lucky girl.
The main characters are the biker mice. In the context of lemon fanfiction, there could be a lemon - merchant character who plays an important role. This character could be the key to a mystery the biker mice are trying to solve, like a shortage of a valuable lemon - based fuel or something. And the biker mice's relationships with each other, like their loyalty and teamwork, are also important aspects of the story with these additional characters.
The biker mice are likely to be the main characters. They are usually the protagonists in stories related to 'Biker Mice from Mars'. Their names are Throttle, Modo, and Vinnie. They are tough and resourceful characters who are sure to play important roles in this cataclysm - based fanfic as well.
Obviously, the main characters are the daddy and his little girl. But in the context of a Twilight fanfic, there could be other characters from the Twilight series making appearances, like Bella or Edward. They might interact with the daddy - daughter duo in some way.