King is a singer from Denmark. He's known for his sweet falsetto and demonic growls. What made me think of KD? Recently a Jeep passed me. In the back window the driver had a HUGE King Diamond decal.
My first thought was, wow, that guy is a big King Diamond fan. My second thought was, I wonder if that's King Diamond himself! But King seems like he's too modest for such shameless self promotion. Here's a classic King Diamond video (after the commercial):

