In medium bowl, use a large spoon to blend together the cream cheese, blue cheese crumbles and butter until smooth and completely combined together. Stir in the olives. Cover and chill until firm enough to shape, at least one hour.
Form the mixture into a ball (use clean hands), and place on your serving dish. Cover the ball with the chives and walnuts. Chill until ready to serve. Serve with crackers.
Notes
You may prepare this a couple of days ahead and just keep wrapped in your refrigerator. You may also wrap and freeze for up to a week or so. Place in the refrigerator overnight to defrost.