 The effect was eventually changed to tails, because, according to Gilligan, they were funnier.Agents Fox Mulder (David Duchovny) and Dana Scully (Gillian Anderson) investigate the birth of five babies in the town of Martinsburg, West Virginia, who were born with tails.The mother of the most recent baby, Amanda Nelligan, tells the agents that the father of her baby is Luke Skywalker.