The difference between Morgan Edge (Robert Sean Leonard) and Alexis Luthor (Michael Rosenbaum) is as profound and simple and complex as this.. it is a complex number in number theory.. (ezra miller).. it is that Morgan Edge (Robert Sean Leonard) specializes in the work of Donald F. Theall and Marshall McCluhan.. and Alexis Luthor (Michael Rosenbaum) specializes in .. mediaeval alchemy.. mediaeval alchemy.. mediaeval alchemy.. Alexis Luthor (Michael Rosenbaum) specializes in the work of John Dee, of Parcelsus, in the text of Artephius.. and in the text of Arnuldus.. oh no.. what's his last name.. Arnuldus Villa..?.. Arnuldus Vivaldus.. Arnuldus.. Viva..?.. Viva las Vegas Alchemy..?...