Louis Waters is a fictional character from the novel "The Last Picture Show" by Larry McMurtry. He is portrayed as a sensitive and introspective young man navigating the complexities of adolescence in a small Texas town during the 1950s. Throughout the story, Louis grapples with his relationships, personal identity, and the challenges of growing up. His experiences reflect the themes of loss and the passage of time, making him a relatable figure for readers exploring similar life transitions.