Mix whipped topping and strawberries; divide among cookie cups. Spoon frosting into decorating bag fitted with 1/2-inch plain tip; pipe over filling. Cut each marshmallow into 4 slices; sprinkle cut sides with pink sugar. Press slices into frosting for ears. Add chocolate chips for eyes, red candy for nose and pink candies for whiskers. Pipe chocolate icing for mouth. Roll fondant to 1/4-inch thickness. Roll 1/4-inch ball of fondant for bow center. Cut out 2 small triangles; attach on either side of ball.