The main characters include Thomas, of course. He is the curious and friendly blue engine. Then there's the new engine that comes into the story, which adds a new dynamic. Also, his other friends like Percy and James are likely to be part of the story. They all interact and contribute to the events in the 'Hero of the Rails' story.
Well, Thomas is the central character in the 'Thomas and Friends Hero of the Rails' story. He is always ready for an adventure. There is a new engine whose presence is significant in the story. Percy, who is Thomas' good friend, is also there. Percy is often seen helping Thomas or getting into little mishaps with him. James, with his red paintwork, is another main character. He has his own personality, sometimes a bit boastful, but still an important part of the group. These characters together make the story interesting as they have different traits and they all have to work together in the story.
In the 'Thomas and Friends Hero of the Rails' story, Thomas is the star. He is known for his eagerness to explore and help. The new engine that enters their world is also a key character. This new character brings new situations and challenges for Thomas and his friends. Percy, the small green engine, is always around Thomas. He is more cautious compared to Thomas but is very loyal. James, who is proud of his appearance, also plays a role. His pride sometimes gets in the way, but he still is part of the group. There may be other characters as well, but these are the main ones that drive the story forward with their actions and relationships.