Carrie Kelley is a 13-year-old schoolgirl and scout whom Batman saves from a sadistic group of Mutant gang members on the night of his return from retirement. Idolizing the Dark Knight, she then spends her lunch money on a Robin outfit, sets out to attack petty con-men and to find Batman in the hope of becoming his partner. Kelley uses a slingshot and firecrackers as weapons. She also wears green-tinted sunglasses in lieu of a black domino mask. Like most of the young characters in the book, she speaks in a futuristic slang that Miller credited colorist (and Miller’s wife) Lynn Varley with helping to create.
Unlike the first and second Robins mentioned in the story, Kelley is not an orphan, but she appears to have rather ignorant and neglectful parents who are never actually seen—one of them mutters “Didn’t we have a kid?” while their daughter is witnessing the fierce battle between Batman and the street gangs known as the Mutants. It is hinted through their dialogue that they were once activists and possibly hippies during the 1960’s, but have since become apathetic stoners.