A goofy chihuahua with an uncontrollable tongue is drawing comparisons to wayward pop star Miley Cyrus. Mervin, the 16-year-old rescue is taking the internet by storm with his comically lengthy licker. Owner Joey Teixeira adopted Mervin last year and posted pictures of the pooch online dressed in sweaters and little hats. Now Mervin has almost 30,000 Instagram followers and 9,000 Facebook fans