Since I don't know the exact 'wolf in hospital story', if it's a typical one, the main characters would probably be the wolf itself and the hospital staff, like doctors and nurses.
Since I haven't read the actual story, it's hard to say exactly. But it could be the patients in the hospital rooms with a view of the window. Maybe there are also nurses or doctors who interact with the patients and are somehow related to what the patients see or experience through the window.
Well, the big wolf and the little wolf are the main characters. The big wolf might be seen as the more experienced or stronger one, while the little wolf could be the more curious or the one in need of protection. Their relationship drives the story forward.
The main characters are simply the dark wolf and the light wolf. They represent two opposing forces within a person or perhaps within a certain situation.
The main characters are the good wolf and the bad wolf. The good wolf is the one that encourages positive actions and good behavior. It might be seen as the voice of reason, kindness, and morality. The bad wolf, on the other hand, is the character that promotes negative actions, like being greedy or mean. They are the central figures as the whole story revolves around the struggle between their influences, and the choices that are made based on which wolf's voice is heeded.
The main characters are the bad wolf and the good wolf. They represent two different aspects of something, like two sides of human nature.
Presumably, the main characters are the white wolf and the black wolf.
In the white wolf and black wolf story, the two central characters are the white wolf and the black wolf. They are often used to represent different aspects, like good and bad, positive and negative.
The main characters are the good wolf and the bad wolf.
Obviously, the main characters are the black wolf and the white wolf.
The main characters are the evil wolf and the good wolf.