Brian Azzarello (born in Cleveland, Ohio, August 11, 1962) is an American comic book writer. He came to prominence with the hardboiled crime series 100 Bullets, published by DC Comics' mature-audience imprint Vertigo. In 2011, he became the writer of DC's relaunched Wonder Woman series.
Brian Azzarello was the line editor for Andrew Rev's incarnation of Comico.
Azzarello's first published comics work was "An Undead Evolution", a text article in Cold Blooded #1 (May 1993) published by Northstar. His first story for DC Comics was "Ares" which appeared in Weird War Tales vol. 2 #1 (June 1997). He and artist Eduardo Risso launched the 100 Bullets series for Vertigo in August 1999. In addition to 100 Bullets, Azzarello has written for Batman ("Broken City"; Batman/Deathblow: After the Fire; Joker), Hellblazer and Superman ("For Tomorrow" and Lex Luthor: Man of Steel).