Oh, um-- Well, a mutant is just like a human, only we have... special powers. We can have all sorts of powers, really! My brother is faster than you can even see, and-- my father can control magnetism and metal. Some of us heal really well, or-- can teleport. Or cause earthquakes, even! There's... really no end to the variety. ... We're the next stage of human evolution. [She says with no small amount of pride.]