Hello Kitty ... Nyan Nyanko. While many of these characters have waned in popularity in recent years, fans will instantly recognize San-X's iconic droopy panda, burned bread man, rainbow coifed ...

The phrase 'cat got your tongue?' takes on a whole new meaning for a high school student in Nyan Koi, as he finds he can not only understand and speak to cats but is fated to become one.

However, the machine goes haywire and the dog is regressed back to his infant state, eventually found by a researcher cat.