Cal Grady

Cal Grady was Grubbs', Gret's (and Billy's) father, Sharon's husband, and Dervish's brother.

Lord Loss
It appeared that he was happily married to Sharon, his wife, but it turned out that while visiting Dervish in Carcery Vale he had a one night stand with a local woman, resulting in the birth of Bill-E. He was killed by Lord Loss, Artery and Vein as he failed the chess challenge against Lord Loss.

Demon Thief
He was mentioned by Dervish when Lord Loss offfered a practice chess match with him.