Peckols, also known as or Patollo, was the the god of the Underworld in the ancient Baltic and Prussian mythology.
He appeared as an older man with a white beard and wearing a white headdress similar to a turban. He was also described as scary and ruthless, who would haunt and taunt all those who disobeyed the pagan clergy and didn't perform the necessary funeral rites.
Within Christianity he is turned into the demon Picollus.