You may have heard the happy news: Prince William and Kate Middleton are the proud parents of a 3-month-old cocker spaniel. However, if you were hoping to find out what they're calling the puppy, prepare to be disappointed. The Duke and Duchess of Cambridge have strictly instructed aides not to reveal his name, the Daily Mail reports. Says a spokesperson, "He is a private pet and they do not want his name to be made public although the couple are happy to confirm that they do, indeed, have a new dog." Click for pictures of the "private pet."