Who are the main characters of book just like martin?

* John Smith: The protagonist of the novel. He is a young man who is struggling to find his place in the world. He is intelligent, but he is also naive and inexperienced. He is often in over his head, but he is always willing to learn from his mistakes.

* Mary Brown: John's love interest. She is a strong and independent woman who is not afraid to stand up for what she believes in. She is also very intelligent, and she is a great source of support for John.

* Mr. Jones: John's mentor. He is a wise and experienced man who is always willing to help John. He is a father figure to John, and he helps him to learn and grow.

* The Evil One: The main antagonist of the novel. He is a powerful and evil being who is determined to destroy John and Mary. He is a master of deception, and he is always able to stay one step ahead of his opponents.