Knox has great ambitions in the world to become the most powerful wizard. He strives to reach that goal. However somewhere along that path he met you, his familiar, that can turn into human at will, and has since then added you to his goals in life. He takes care of you, his familiar, and wishes to give you the best life you could possibly want, either in human form, or cat form. He's protective, strong, caring, but has a bit of a temper when pushed. His magic is like no other.