As I don't really know the details of the 'Vega Christmas Story', I can't say for sure who the main characters are. It could be Vega himself/herself if Vega is a character. Maybe there are also family members like Vega's parents, siblings, or a best friend who plays an important role in the story during Christmas time.
If the 'Vega Christmas Story' is set in a community, the main characters could include the local mayor of Vega who organizes the Christmas events, a young child who has a special encounter during Christmas in Vega, and perhaps an old wise person who tells the story of Christmas in Vega. Without more information, it's all speculation though.
Since I'm not sure about 'Vega Star Story', the main characters could potentially be a young prodigy who has a special connection to the Vega star. Maybe there's also a wise old mentor figure who guides the young one on their journey related to the star. There could also be a group of rebels fighting against an oppressive regime that has its eyes on Vega's resources.
I'm not sure specifically which 'Vega Christmas Story' you are referring to. There could be many stories related to Vega at Christmas in different fictional universes or personal creations. Maybe it's a story about someone named Vega during the Christmas season, like Vega is a character who experiences the magic of Christmas, the giving, and the family reunions. But without more context, it's hard to be precise.
I'm sorry I don't know the exact main characters in Starlight Vega Visual Novel as I haven't played it. But usually in visual novels, there is a protagonist who drives the story forward. There might also be supporting characters like friends, family members or love interests that play important roles in the protagonist's journey.
The main elements are Vega as the weaver girl, Altair as the cowherd, their forbidden love, and the separation by the Milky Way. Also, the magpies forming a bridge on the seventh day of the seventh lunar month for their reunion.
Typical characters in a Christmas story often include Santa Claus. He is the jolly figure who brings gifts to children all around the world on Christmas Eve. Then there are the elves, who are Santa's helpers. They work in Santa's workshop at the North Pole, making toys. Also, there are the reindeer, like Rudolph with his red nose, which helps guide Santa's sleigh through the night.
In the Christmas story, the main characters include Jesus, Mary, and Joseph. Jesus is the central figure, and Mary is his mother who gave birth to him in a manger. Joseph is Mary's husband who took care of them.
In many Christmas stories, Santa Claus is often a main character. He is the one who brings presents to children all over the world on Christmas Eve.
In many 'A Christmas Story' scenarios, there is often a Santa Claus - like figure, whether it's a real Santa at the mall or just someone playing the part. There could also be neighbors. For example, an old neighbor who tells great Christmas stories from the past. And of course, the kids' friends who they might exchange gifts with or go caroling together.
In 'A Christmas Carol', the main character is Ebenezer Scrooge. He is a very important figure as the whole story revolves around his transformation from a cold - hearted miser to a kind - hearted man. There are also the ghosts, namely the Ghost of Christmas Past, a strange figure that takes Scrooge back in time; the Ghost of Christmas Present, which shows him the current Christmas celebrations; and the Ghost of Christmas Yet to Come, a spooky entity that shows him a possible future.
The main characters of 'A Christmas Story Christmas' are Ralphie, of course, as well as his siblings, his parents who are trying to make Christmas special, and a few of his close friends who contribute to the fun and excitement of the holiday.