The animal kingdom may have millions of different inhabitants, but it's only a select few who have the immense privilege of internet currency. LOLcats and Doge paved the way, and frogs have had a good run too. Recently, though, it's been all about the Monke . The primitive lifestyle of our closest relatives has fascinated memers for quite some time, and many of us are never happier than when we're being supplied with some primate-related content. It therefore comes as no surprise that the most …