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 Animated Series actively involved in the management of Wayne Enterprises, without jeopardizing his secret identity. For example: in the episode "Eternal Youth", Bruce is shown angrily ordering one of his directors to cancel a deal with a timber company in the Amazon rainforest that had been made behind his back, threatening him with termination upon failure to comply. Kevin Conroy used different voices to distinguish between his portrayal of Bruce Wayne and Batman, a tactic used previously by Michael Keaton in Tim Burton's live-action films. Conroy based his dual-voice performance on the 1934 film adaptation of "The Scarlet Pimpernel". The series also