The child of someone who is viewed as evil, or a no-do-gooder. This creates the illusion that the child is evil or bad as well.
P1: Who's that over there?
P2: Oh, thats the devil's spawn of Hitler.
*Both run away*
Someone who is pure evil; does evil things without reason. Ex:Bob Greenblatt, new programming head of Showtime.
DLM Fan 1:Why did Greenblatt cancel Dead Like Me?
DLM Fan 2:Because he's the Devil's spawn, that's why...