We suppose she's not actually evil; just misunderstood. She enjoys witty & intelligent conversation, sworn oaths of fealty, and romantic walks on starlit parapets (of the enemy's conquered castle). She often carries her bladed royal glave, but its only decorative (if you keep well mannered). Despite her unmatched skill with hidden throwing daggers, she assures us it's just a hobby. And -- come on, be honest -- who doesn't have a collection of rare poisons and horde of indestructible, immortal minions to test them on?!
He can weave fire & lightning into a blazing inferno of destruction, translate forbidden volumes filled with ancient arcane runes -- whose meaning has until recently been lost for centuries -- and his research is verging on unlocking the very secrets of immortality. But when the grand yearly castle ball comes around, he's almost always looking for a way to get out of it. Unfortunately for him, this year the princess is hearing none of it and taking no excuses. The royal wizard will be at the ball, and furthermore (upon pain of death) he will learn how to waltz properly!