The Jachyra's appearance is that of a man shaped beast with red skin and a thick ruff of fur about its loins. It has a cry that sounds like laughter, and its poison damages the body and soul. It relishes pain, and feeds on blood. The Jachyras were beasts that thrived on pain and insanity.

From the Shannara novels, but like everything else more and more people seem to be using it so I changed to Aeil which is slightly changed from Aiel from the Robert Jordan books, thinking if I changed it slightly there was less chance of others using it, no such luck. Might need to think of something else.