 After his birth, Susannah grabs a gun and shoots Sayre in the head.In the film adaptation of The Dark Tower from 2017, Sayre is played by Jackie Earl Haley.Finli O'Tego is a weasel-headed Taheen that appeared in the fifth and seventh "Dark Tower" books; he was referred to briefly in "", before reemerging as a fully fleshed out character in "".