Now this is never confirmed and is just a theory...but I like this theory, its kind of beautifully tragic...

I made this connection on my own btw...I was a little tiffed to find others had thought of it as well, but, meh whatever.
You can read about the Hero's Shade here vs me explain http://zelda.wikia.com/wiki/Hero%27s_Shade

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If you like this theory then please do check out my fanfic
(it's a complex means of getting to this theory but this is where the story ends up)

Poster for this fanfic
:thumb194827951:
http://lilleahwest.deviantart.com/a.....tory-194827951
You can also find links to each chapter there

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Line art via pencil and paper
Color via Corel Painter X
Used chalk and smear and done by mouse

Art of just the wolf can be found here
:thumb198721055:
http://lilleahwest.deviantart.com/a.....k-v2-198721055