Joseph A. Cooper is a trained NASA pilot with an engineering background, and the pilot of the interstellar expedition. Cooper has two children, Tom Cooper and Murphy Cooper.
Murphy Cooper, and known commonly as “Murph”, is the youngest daughter of Erin and Cooper. She develops an idealistic yet mercurial personality later in life. Murphy Cooper was the closest of Cooper’s children. She had a drive to explore and discover the unknown, very much like her father.