There's not enough information to say exactly who the little brother is. He could be an ordinary boy in a family who is the youngest among his siblings.
Well, if we think about some modern Christmas stories or movies, there might be a little brother character who is part of a family's Christmas adventure. He could be the one who discovers the magic of Christmas in a new way, like finding a hidden present that leads to a whole new understanding of the holiday spirit for the family.
In 'A Christmas Story', the little brother is Randy. He is a memorable character in the story, often getting into various situations with his older brother.
In 'A Christmas Story', the little brother can add a sense of family dynamic. He might be part of the various comical and heart - warming situations that happen during the Christmas season in the story.
It could be about a little brother's experiences during Christmas. Maybe it's about his excitement for presents, or how he participates in Christmas traditions like decorating the tree or leaving cookies for Santa.
It could be any character in a Christmas story who is the younger brother in a family. There are so many different Christmas stories out there, so it's hard to say exactly who without more context.
If we think of more modern Christmas stories, there might be various child characters who play the role of a little brother. Without more context, it's hard to pinpoint exactly one specific character.