Batman: The Ultimate Evil write about Thailand, he created a fictional country named Udon Khai which had many similarities with Thailand — though Udon Khai is described as being dominated by a lone kingpin who controls the country's one-industry economy based on sex tourism while Thailand's tourism economy, which includes sex tourism, is part of an economic development strategy enabled by international development agencies. Vachss deviated from Batman canon by having the Wayne family butler, Alfred Pennyworth, reveal to Bruce Wayne that his mother, Martha, was a sociologist who was secretly investigating a child pornography ring. In Vachss' novel, the Waynes were not the
Batman: The Widening Gyre return to Gotham City. As Alfred takes St. Cloud back to her home, her final words to Batman haunt him, and he gives chase. After stopping Alfred and St. Cloud on the roadside, Batman forcibly plucks one of St. Cloud's hairs, and runs a DNA test on it to confirm that she is human. Embarrassed by his paranoia, Batman confesses that he thought St. Cloud was an android created by Professor Ivo as part of a trap. St. Cloud admits that, because of Batman's lifestyle, she knows their relationship will never be normal, and she forgives Batman. That night, Batman