Al Barrionuevo is an Argentinian Comic Book Artist.  His career began in 2003 working at DC Comics on the American Legion comic book series. Shortly thereafter he became the regular artist of Batman: Gotham Knights.  After this he drew the miniseries Martian Manhunter, and titles like Countdown to Final Crisis and the numbers associated with Amazons Attack Teen Titans. He later made The War That Time Forgot for DC. After working on Resident Evil for Wildstorm, Al Barrionuevo has been the regular cartoonist of The Authority until the cancellation of the superhero Comic Books line of the company. He also made a number of Batman: Gotham Unhinged for the digital division of DC Comics. Recent work by Alejandro has been for Marvel, in shows like X-Men, the Hulk Annual 2011, Avengers: Solo or Marvel Zombies Destroy.  Al Barrionuevo is currently credited with some or all of the artwork in 141 separate Comic Book issues.