The character Captain Queeg from the novel 'The Caine Mutiny' is a central figure in the story. He is a strict and paranoid captain of the USS Caine, a minesweeper in the United States Navy during World War II. He is portrayed as a difficult and demanding leader who is eventually relieved of his command due to his erratic behavior. His actions lead to a mutiny on board the ship, which is the main focus of the novel.