ODATE, JAPAN – AUGUST 17: In this handout image provided by the pet store ‘Pucchin Dog’s’, ‘Kokoro-chan’ a 3-day old chihuahua puppy with heart-shaped markings is presented to the media with its cousin “Love-kun”(front) and father ‘Heart-Kun’ (back) at ‘Pucchin Dog’s’ store on August 17, 2009 in Odate, Akita, Japan. The new puppy is the child of 2-year old chihuahua ‘Heart-Kun’ who was also born with a perfect heart-shaped marking. (Photo by Pucchin Dog’s via Getty Images) :