Angels, shepherds, Mary, and above all Christ. Even a year or two later, wise men.
But what of Joseph, the fiancé-cum-adoptive-father?
We know that Christ is the wonder of the ages; Mary is an absolutely extraordinary young lady. But also, in considering the character and choices of the man whom God chose to adopt His Son, we learn much.
So, without further eloquence, this year's Christmas sermon: Extraordinary Father, Matchless Son (here's the outline).