 Yokai (Professor Robert Callaghan) is a supervillain who was once a kind and respectable Professor and dean at SFIT.Coming from a military background, Professor Robert Callaghan is a pioneer in developing many cutting edge tech inventions including the Callaghan-Catmull Spline.He had a daughter that he loved dearly named Abigail who grew up to become a test pilot for Krei Tech.