The term 'Girl of Tomorrow' is a reference to the character ANNIE, a fictional character from the comic book series 'The Legion of Super-Heroes'. ANNIE is a teenage girl from the future who has the ability to manipulate time and space. She is a member of the Legion of Super-Heroes, a group of superheroes from the 30th century. ANNIE is a brave and loyal friend who is always willing to help her friends and fight for justice.