Sophia, later revealed as Sophia Grimes in the comics and as Sophia Peletier in the television series, is a fictional character from the comic series The Walking Dead and was portrayed by Madison Lintz in the television series of the same name. She is the daughter of Carol Peletier, who is fiercely protective of her, as is Carl Grimes, with whom she becomes close friends during the zombie outbreak. She becomes a major focal point in both media, despite her limited involvement in many of the central conflicts faced by the other characters.