A Christmas Story has a specific set of characters and actors that bring the story to life. Brian Johnson is not among those who are part of this beloved Christmas movie. There are many other well - known actors in the film, but not him. So, the answer is no.
In 'A Christmas Story', if Brian Johnson is a character, he may be one of the kids in Ralphie's school or neighborhood. However, the main characters that are well - known in the story are Ralphie, his family members like his mother, father and little brother. So Brian Johnson might be a more peripheral figure that doesn't get as much attention as the main ones.
The Christmas Story is known for its particular cast and the story it tells. Brian Johnson has no part in this movie. I can tell you that the movie focuses on a family's Christmas experiences, with characters like Ralphie and his family members. There are actors who portray these roles, but Brian Johnson is not among them.
In the common 'A Christmas Story' that most people are familiar with, I don't recall a character named Brian Johnson. However, if this is a more niche or regional interpretation, more information would be needed. Maybe it's a name given in a modern rewrite or a fan - created addition to the story. Without further context, it's difficult to say exactly who this Brian Johnson is in relation to 'A Christmas Story'.