Batwoman is a fictional superheroine appearing in American comic books published by DC Comics. In all incarnations, the character is a wealthy heiress who becomes inspired by the notorious superhero Batman and chooses, like him, to put her wealth and resources towards a war on crime as a masked vigilante in her home of Gotham City. The identity of Batwoman is shared by two heroines in mainstream DC publications; both women are named Katherine Kane, with the original Batwoman commonly referred to by her nickname Kathy and the modern incarnation going by the name Kate. Batwoman was created by Bob Kane and Sheldon Moldoff with writer Edmond Hamilton under the direction of editor Jack Schiff, as part of an ongoing effort to expand Batman's cast of supporting characters. Batwoman began appearing in DC Comics stories beginning with Detective Comics #233 (1956), when Julius Schwartz became editor of the Batman-related comic books in 1964, he removed non-essential characters including Batwoman, Bat-Girl, Bat-Mite, and Bat-Hound. Later, the 1985 limited series Crisis on Infinite Earths retroactively established that Batwoman had never existed, though her alter ego Kathy Kane continued to be referred to occasionally.