the Batman creative teams for the Batman: Knightfall (1993–1994) story arc, during which Azrael temporarily became the new Batman. In 1994, O'Neil wrote a novelization of Knightfall. In the opening of the novelization, O'Neil stated that part of the reason "Knightfall" was written was due to the recent popularity of more "ruthless" heroes such as the Terminator and James Bond in films, as editors were starting to wonder if readers would prefer a Batman who was willing to kill his opponents. After the conclusion of Knightfall, O'Neil wrote the 100-issue Azrael comic series, chronicling Valley's battles against the Order of St. Dumas, between 1995 and 2003. O'Neil modeled the series on Arthurian legends, comparing Azrael's quest to discover the truth about himself to the Holy Grail. The series was originally intended to conclude with Azrael's death. However, after O'Neil suffered a heart attack in September 2002, editor Mike Carlin decided it wouldn't be appropriate to have a character O'Neil created be killed off. O'Neil instead left Azrael's fate vague, preferring to let readers decide what happened to him. Other writing O'Neil wrote several novels, comics, short stories, reviews and teleplays, including the novelizations of the films Batman Begins and The Dark Knight. Under the pseudonym Jim Dennis with writer Jim Berry, O'Neil scripted a series of novels about a kung fu character named Richard Dragon, and later adapted those novels to comic book form for DC. O'Neil wrote a four-part column series for Marvel's 1978 The Hulk! magazine, under the pseudonym Jeff Mundo. "Jeff Mundo's Dark Corners" ran from issue #21 through issue #24 and covered various pop culture topics. O'Neil wrote a column for ComicMix. Editing Joining Marvel's editorial staff in 1980, O'Neil edited Daredevil during Frank Miller's run as writer/artist. He fired writer Roger McKenzie so that Miller could both write and pencil Daredevil, a decision which then-Marvel editor-in-chief Jim Shooter says saved the series from cancellation. O'Neil encouraged Miller to develop a believable fighting style for Daredevil, and according to Miller, this directly led to his incorporating martial arts into Daredevil and later Ronin. In the early to mid-1980s, O'Neil edited such Marvel titles as Alpha Flight, Power Man and Iron Fist, G.I. Joe: A Real American Hero, and Moon Knight. According to Bob Budiansky, O'Neil came up with the name for the Transformer Optimus Prime, leader of the Autobots. In 1986, O'Neil moved over to DC