Contrary to what some might think, 'Phooka' is not slang for anything.
The average Phooka is a shape-changing menace that takes riders on wild trips about the countryside if they're foolish enough to hop on that nice-looking mare's back. The Dark Phooka is the same way, just a night-traveller only, and very often murderous.
I messed up the proportioning I think...
but anyways, if you like this, you can thank Alisha VanHoose, without whom I wouldn't have continued messing around with the original drawing.
Drawn in Photoshop.
Photoshop: idle mice are the devil's playground. Buy it today!