It seems to have a link with Sc2mapster, all the assets are on that page, but I don't remember uploading any of that to that website. (I've never actually done it)
In reply to Alleyvsc2:
That's blaze in Heroes of the storm
In reply to lorddawnreaver:
It could be that they rip them all from this site.
In reply to mikethesspike:
I thought of that