In 'Twilight', Bella Swan and Edward Cullen are the main characters. Bella, as a human, is constantly in a position of having to understand and sometimes 'care' for Edward. Edward, being a vampire, has his own vulnerabilities and Bella has to deal with them, especially when it comes to his family and the vampire society they are part of.
In 'The Vampire Diaries', Elena Gilbert is a key character. She is a normal teen who gets involved with vampires like Stefan and Damon. Stefan, in particular, often plays a role of a caretaker in some sense as he tries to protect Elena from the darker aspects of the vampire world. Damon, on the other hand, has his own complex relationship with Elena.
There is also 'Cirque Du Freak' which involves teen characters interacting with vampires. The main character, Darren Shan, gets involved with a vampire and has to navigate a world where he has to take care of himself and also deal with the vampire - related chaos. It's a dark and exciting series that combines elements of horror and coming - of - age stories.
The main character is probably the caretaker, but there could be other important characters too. For instance, if the story is set in an apartment building, there could be a nosy tenant who always complains to the caretaker. Or perhaps there's a friendly neighbor who helps the caretaker out from time to time. These characters could play significant roles in the development of the story.
Captain Kathryn Janeway is one of the main characters. She has to lead the Voyager crew through their unexpected journey. There's also Chakotay, who is important in terms of his leadership skills and cultural knowledge. Tom Paris and B'Elanna Torres are significant too, with Paris as the pilot and Torres being an engineer.
In the 'Alex Rider' series, the main character is Alex Rider, a 14 - year - old boy who gets recruited into the world of spying.
In 'Buffy the Vampire Slayer' novels, Buffy Summers is the main character. She is a young girl with the power to fight vampires. In 'The Vampire Chronicles' by Anne Rice, Lestat is a central figure, though not a slayer. However, there are characters who oppose him like Armand in some cases.
The main characters in Camille vampire novels would likely start with Camille. She could be a complex character with a backstory of how she became a vampire, her desires, and her fears. There might be a group of vampire hunters who are after Camille, thinking she is a threat to humans. There could also be a vampire family or coven that Camille belongs to or is trying to escape from. And not to forget, there might be a human ally or friend who helps Camille navigate the human world, or perhaps a human who Camille has turned into a vampire, creating a new dynamic in the story.
The main characters are Robin, who is the leader of the Teen Titans. Then there's Starfire, an alien princess with superpowers. Beast Boy, who can transform into different animals, is also a main character. Cyborg, half - human and half - machine, and Raven, with her dark and mysterious powers, are also important characters in the Teen Titans Graphic Novels.
In 'The Hardy Boys series', the main characters are Frank and Joe Hardy. They are brothers who are always getting into detective adventures. In 'Nancy Drew series', it's Nancy Drew herself. She is a fearless and intelligent girl detective who solves all kinds of mysteries.
Buffy herself is a main character, of course. Then there's Willow, her witch friend, and Xander. Spike also plays an important role in these graphic novels.
Sookie Stackhouse is a major character. She is a telepathic waitress who gets involved with the vampire world. Her ability to read minds makes her both an interesting and sometimes endangered figure in the vampire - human interactions. Bill Compton is another important character. He is a vampire who has a relationship with Sookie.