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 Forever another riddle. Using the riddles, Bruce and his butler, Alfred, deduce the Riddler's secret identity. Chase is imprisoned by the Riddler and Two-Face in their hideout. Dick returns and becomes Batman's sidekick, Robin. Batman and Robin head to Riddler and Two-Face's lair, Claw Island, where they are separated. Robin encounters Two-Face and nearly kills him, but chooses to spare his life and is captured. The Riddler gives Batman a chance to save only one hostage, but Batman destroys the Riddler's brainwave collecting device, causing the Riddler to suffer a mental breakdown and allowing Batman to rescue Robin and Chase. Two-Face