Maybe there's a protagonist who has made some big mistakes in the past and now has to face the reality that time doesn't give them a chance to go back and fix things. This character could be someone who is in a mid - life crisis, realizing that they can't relive their youth or undo the wrongs they've committed.
I don't know the specific characters in this novel as I haven't read it. But they could be ordinary people who find themselves in extraordinary situations that require them to never go back.
The main theme could be about the irreversibility of time. It might explore how characters deal with the fact that time only moves forward and the consequences of past actions that can't be undone.
The main character is obviously Jack Reacher. There's also Major Susan Turner who plays an important role in the story.
Jack Reacher is the most important character, of course. He's the one driving the story forward with his actions and decisions. There are also other characters like the antagonists who are trying to stop him. And there may be some side characters who help him along the way, though I can't recall their specific names right now.
I'm not sure as I haven't read it specifically, but it could potentially be about self - discovery and leaving the past behind. Maybe the characters in the novel are on a journey where they realize they can't return to their old ways or situations.
The 'big three' are likely to be the main characters. However, without more context, it's hard to say exactly who they are. They could be three powerful heroes or villains from a particular fictional universe.
There might also be other characters from the past that they meet. These could include ancient Greek heroes or mythological creatures. Their interactions with these characters will shape the story as they navigate through the past.
The main characters are Harry, Hermione, and Ron, of course. Harry is the Boy Who Lived, and his courage and determination play a big role in whatever they do in the past. Hermione with her vast knowledge of magic and history is able to figure out how to navigate the time - traveling situation. Ron provides the loyalty and humor, often being the one to break the tension in difficult situations.
The main characters are Harry and Hermione, of course. Harry, the Boy Who Lived, with his Gryffindor courage and his special connection to Voldemort. And Hermione, the brilliant and studious witch, always full of knowledge and quick thinking.
Obviously, Harry and Teddy are the main characters. Harry is a well - known wizard from the original series, and Teddy is his godson.