I believe they also sell those dolls in the Square Enix Cafe in Japan.
They already add somethings like...
http://storage.siliconera.com/wordpr..._094_thumb.jpg
they even have some chocobo dolls
http://d3ieicw58ybon5.cloudfront.net...804d7cfa82.jpg
and other things
http://cdn2.thatsnerdalicious.com/wp.../12/cafe15.png