There could be a group of elves as main characters in one of the stories. They are working hard in Santa's workshop to prepare for Christmas. Their adventures and misadventures while making toys could be really interesting.
It's also possible that the main character is a Christmas angel. This angel is sent to earth to help those in need during the Christmas season. The angel might encounter different people with different problems and uses its magic to bring happiness and solutions to them.
The children themselves could be main characters. In many Christmas stories, children play important roles, whether it's waiting for Santa, learning the meaning of Christmas, or having their own little adventures during the holiday season.
Typically, the main characters are the cowboys themselves. They are the ones who drive the story forward, whether it's an old, experienced cowboy sharing his Christmas wisdom or a young, eager cowboy learning the ropes during the holiday season.
I'm not entirely sure without reading the book specifically, but typically in Saki's works, there are often characters from the upper - class society, like aristocrats or wealthy individuals.
There could be a detective like Inspector Brown. He's smart and observant, always on the lookout for the smallest details that can break a case wide open.
Children themselves are main characters. The stories usually focus on their experiences during Christmas, like waiting for Santa or opening presents.
It's hard to say exactly without reading all the stories, but there could be a brave monster hunter as a main character in some stories. Maybe there are also some friendly monsters that help humans, and they could be main characters too.
In the 'book sherlock holmes short stories', Sherlock Holmes and Dr. Watson are the main characters. Holmes, with his sharp mind, is the detective we all admire. Watson, a reliable and intelligent man, is Holmes' partner. Additionally, there are other minor characters like Inspector Lestrade who sometimes seek Holmes' help and add to the complexity of the stories.
Perhaps a fearless adventurer is one of the main characters. This person travels from one city to another, facing different challenges and meeting various people along the way. They might be on a quest to find a lost relic or to solve a mystery that could save their world. Their courage and resourcefulness would make them a central figure in the short stories.
The main characters are the narrator and his older female relative, like an aunt or a cousin, who are very close friends.
I'm not sure specifically without reading the story, but it could be a family that is hosting the Christmas guest. There might be a mother, father, and some children.