fur fairy
invisible playmate for kittens and adult cats. Not yet scientifically proven, this adoption of an invisible being provides the best plausible explanation after centuries of careful observations of unassisted feline playful behaivor.
While we were both resting on the couch, Tiger suddenly dashed off my lap in pursuit of something, pounced, rolled, jumped, then intently stared near my feet. I couldn't see what he was playing with so it had to be another invisible fur fairy.