[FreelancePlatypus]

Well, they also wanted a riddle so:
Its only there when the sun shines bright
Even though its color black
The mime of mirror movements
The stalker on the ground
The friend who never leaves your side
What is the misty, dark strange friend
who only hides when the sun don't shine?

[spiffyflypie]

The answer is "shadows"
cool sphynx!