El Silbon (which translated to English means: The Whistler) is a spirit found in Venezuelan legends, He was a former farmer who become a damned soul after he kill his father.
History
Once upon a time, a young man who was working in his father's farm in Venezuela, received a notice about her wife who has been called "A Horn" by her own father and killed by him which put him in great rage over him and killed his father-in-law, the farmer's grandfather decided to exact punishment on his grandson by commanding some other farmers to brutally torture his grandson in a long painful revenge, first whipping his grandson's back and put salt to increase the pain and finally, to kill his grandson his put in a loose two monstrous black dogs who bite his ankles, while he scream and pain and fled to the jungle where his body is never to be found.
After that, his spirit become in a damned soul, Hell-bent into killing mostly drunks people or adulterers who he found in his way, as well as attacking and scaring any person who hear his terrifying whistle.
Appearance
The appearance of El Silbon has not really been described, because of the fact that he invariably kills all his unfortunate victims, thus no one has been able to give him a good image. But it is generally believed he is of a tall, emaciated human male, gigantic in stature, somewhere between twenty and forty foot high, dressed in tattered farmer's clothes. He mostly likes lurking in the local swamps and torturing those who pass into insanity with his eerie whistle.