The legend goes like this:
shadow creatures are the black beings you see that flit by in the corners of your vision. They feed off fear and show up when you exhibit a lot of it. They are quick.. some are featureless, some have glowing eyes. The more negative energy they absorb the bigger and nastier they get. Some help out, others destroy.
This is the gargunny - a name I gave this one because of its long ears that I constantly used to draw as a kid. I originally drew this one as silver so I thought I'd alter it to the black version I am more familiar with.