Brenda could be anyone. Maybe she's a young girl who lives in a small town. In 'Brenda's Secret Story', she might be the protagonist who has some sort of secret that makes her unique. It could be that she is a working woman in a big city, and her secret story involves her work life, like a project she's secretly been working on that could change her career. Or she could be an elderly woman with a past full of secrets that are finally being told in this story.
I'm not certain who Larry Novak is without more context. He could be the author who created this original Christmas story, or perhaps a character within the story itself.
There's not enough information to know exactly who Brenda is. But she is likely the protagonist of this true story about having a baby. She could be from any walk of life, perhaps a teenager who had to face the challenges of early motherhood, or an adult who had some unique circumstances surrounding her pregnancy and the arrival of her baby.
In the real - story context of 'Brenda's Got a Baby', Brenda is a fictional representation of the many young girls in difficult situations. She represents those who become pregnant at a young age, likely from impoverished and challenging backgrounds, facing a future full of uncertainty and hardship.
Brenda is the main character in this story. She is the young girl who has a baby, and the story is probably based around her experiences, challenges, and life changes as a result of becoming a mother at a young age.