Yarnchu
Yarn is comfy and easy to wear
http://pokebeach.com/2010/01/corocoro-to-reveal-surprising-movie-13-pokemon-in-next-issue
Basically, this lends itself to two possibilities: A new Pokemon, or an old Pokemon no one would be expecting(perhaps a new forme?). Both of those are very likely, since it is likely a new generation would be revealed around now. However, they could be doing this to either build up hype or just to be tricking us.
If it is an older Pokemon and not a new forme, then maybe it's Porygon Z? After all, even in the Japanese games its name includes Z, a letter that is prominently featured in the title of Movie 13, plus no one would expect it because of, well, the Porygon event. The Porygon line has, outside of a few cameos, not been seen since that has happened. So who knows? That's just my theory right there, and it is very likely to be wrong.
It makes two very interesting statements concerning their next issue. Yaminokame has translated them as, “There will be a top-secret revealing of a Pokemon that will appear in the movie!!” and “A Pokemon that anyone would be surprised at is making an appearance in the movie!”
Basically, this lends itself to two possibilities: A new Pokemon, or an old Pokemon no one would be expecting(perhaps a new forme?). Both of those are very likely, since it is likely a new generation would be revealed around now. However, they could be doing this to either build up hype or just to be tricking us.
If it is an older Pokemon and not a new forme, then maybe it's Porygon Z? After all, even in the Japanese games its name includes Z, a letter that is prominently featured in the title of Movie 13, plus no one would expect it because of, well, the Porygon event. The Porygon line has, outside of a few cameos, not been seen since that has happened. So who knows? That's just my theory right there, and it is very likely to be wrong.