Use a large mixing bowl to combine the following ingredients: chocolate pudding, cream cheese, milk and whipped topping.
Transfer the mixture to a serving dish.
Place dish in the refrigerator for about an 1 to let the pudding mixture firm and chill.
Crush the OREO cookies and cover the top of the pudding mixture with a layer of crushed cookies.
Garnish with gummy worms, candy eyes and candy pumpkins.
Place Milano cookies halfway into the dip for a "grave stone" look. Use the black frosting to write on the grave stones if you desire.
Refrigerate until you are ready to serve.
Serve dip with cookies for dunking.