Pardon my ignorance, but how did the whole thing with Reimu being a undead zombie get started?

Is it because zun's art makes her look like one?
If that's the case, wouldn't the same be true for all the other characters?

>>724
http://answers.wikia.com/wiki/Why_do_people_call_Reimu_a_zombie

I haven't noticed her coloring being any worse than the others, but iunno

Koishi is either the most profound and insightful Touhou or the most doped up one. There's a line that separates these two, I just don't know where it is.

If I remember correctly, this is what inspired that gif.