Captain Jack Aubrey is a fictional character created by author Patrick O'Brian in the Aubrey–Maturin series of novels. He is a British naval officer during the early 19th century, known for his leadership skills, strategic thinking, and adventurous spirit. Aubrey's character embodies the challenges and triumphs of life at sea during the Napoleonic Wars. Aubrey's close friendship with Dr. Stephen Maturin, the ship's surgeon and intelligence agent, adds depth to the stories. Together, they navigate not only naval battles but also personal dilemmas and moral questions. The series is celebrated for its historical accuracy and rich character development.