The little brother is the central figure in the 'giant little brother story'. However, there could be other characters that are essential to the plot. For example, if the story is about the little brother's journey to prove himself, there could be a bully character who challenges him at the start. And there might be a sidekick, perhaps another child from the neighborhood, who accompanies the little brother on his adventures. There could also be an adult figure, like a teacher or a neighbor, who believes in the little brother and encourages him to embrace his 'giant' side.
Since I don't know the exact 'giant little brother story', it's hard to say. But most likely, the main character is the little brother who has the 'giant' aspect. There might also be family members like his parents or siblings involved.
The main character is surely the little brother. Depending on the nature of the story, there could be friends or foes. If it's a story about the little brother's growth or development in a social context, his friends would play important roles. If it's an adventure story, there could be villains or obstacles personified as characters that the little brother has to face. Also, if the story has a moral or ethical theme, there might be wise old characters like a mentor or a grandparent who guide the little brother on his journey.
Since I don't know the exact story, I can only assume that the main character is the little girl. But there could also be other characters like her family, friends, or people she meets during her adventures as a 'giant' or in a world related to giants.
The main character is of course the little girl. But depending on the nature of the story, there could be other characters. For instance, if it's a story set in a village, there could be the village elders, her friends in the village. If it's a more magical story, there could be magical creatures like fairies or talking animals that interact with the little girl, either as friends or foes as she deals with her giant - related experiences.
The main characters are, of course, the giant and the little boy.
The big brother and the little brother are the main characters. The big brother could be a confident and responsible character, while the little brother might be more naive and in need of guidance. There could also be friends of the brothers in the story that interact with them, but the focus remains on the relationship between the two brothers.
I don't know who the main characters are in the 'giant story' because you haven't provided any details about it. It could be a hero who has to face the challenges presented by a giant, or it could be the giant itself as the central figure in the story.
I'm not sure specifically what the 'giant little brother story' is about as it could be any number of things. It might be a story where a little brother has some sort of extraordinary growth or ability that makes him 'giant' in a metaphorical or literal sense.
The main character is obviously the little brother. There might also be his family members, like his parents who could be helping him with his growth, for example, by providing him with nutritious meals. And perhaps his siblings who could be either a source of motivation or comparison in terms of height.
As we don't have much information about this 'little giant girl story', the main character could be a fictional girl created to teach a lesson, like the importance of believing in oneself. She might be a girl from a specific cultural background that adds to the uniqueness of the story.
I don't know the exact main characters in the 'ghost giant story' since I don't know the specific story. But it could be a brave hero who tries to face the ghost giant, or a group of villagers who are affected by the ghost giant's presence.
Since we don't know the exact 'giant man story', it could be just the giant man himself as the main character.