"The house is quiet. You go about your business when you hear a light thumping sound. It draws closer, and closer. Slowly picking up speed to a run, and stops. You look towards the corner where the sound stopped.
A moment of silence passes.
In the blink of an eye, the Screaming Howler rounds the corner, arms flailing, beady eyes locked on you, as it lets out a screaming wail. The hair on your neck stands on end as it barrels towards you with all of its 8 feet of sickly grey glory."

I hate this picture.

Not because of how it turned out, but because of the subject matter.
This thing managed to survive in my subconscious far longer than any of the other creatures that appear during my continuous battles with insomnia. I actually changed this things eyes because I couldn't stand looking at them anymore >.<