Hannah Axiom is the youngest of the Dimensionals, but also the most knowledgeable about the world of superheroes. Her father, Dr. Isaac Axiom, is a superhero himself in all but name, and built the Tower of Science in decades past. Hannah has only begun to learn the secrets of the Universe he wishes to teach her, but she has already absorbed the most important thing: The thirst for MORE information, valid and true. Hannah often has to admit: "I don't know." But she always follows it up with an enthusiastic: "Let's find out!!!"