Billy Black is Jacob Black's father, born and raised in La Push, and an elder of the Quileute tribe. He is described as being heavyset, having a wrinkled face and russet skin, and having black hair and black eyes. His other family members include his two daughters, Rachel and Rebecca, and his deceased wife, Sarah. Billy Black is directly descended from the last chief of the Quileute tribe, Ephraim Black, who was his grandfather. Among Billy's best friends in Forks is Bella Swan's father, Charlie Swan. Billy, who is crippled from diabetes and confined to a wheelchair, sells his truck to Charlie to give to Bella. At the end of Twilight, he employed Jacob to persuade Bella to break up with Edward Cullen. He becomes a semi-regular character throughout the remaining series.
Billy Black is portrayed by Gil Birmingham in Twilight and The Twilight Saga: New Moon.