 But even if appeals to the rigidity of a name like ‘Shakespeare’ (or related appeals to the transworld identity of Shakespeare) cannot be divorced from essentialist commitments like the forgoing, such appeals will not commit us to much at all about what a designatum is essentially like with respect to the various possible worlds in which it exists to serve as the designatum: whether Shakespeare could have been a brute, say, or had different parents (matters over which Kripke tellingly disagrees with, say, Plantinga: Kripke 1980, pp. 110ff; Plantinga 1974, pp. 65ff). 