Bruce Wayne, a wealthy philanthropist who, after witnessing the murder of his parents as a child, dedicates his life to fighting crime in Gotham City as the vigilante known as Batman. Batman's crusade often involves battling various supervillains, such as the Joker, riddler, and poison ivy and uncovering corruption within Gotham's institutions, and confronting his own inner demons related to his parents' death and his role as a protector. The core of the Batman mythos revolves around the themes of vengeance, justice, and the psychological impact of trauma