Who penciled the comic on which the 2011 comic movie starring Justin Chambers is based?
Justice League: The Flashpoint Paradox: Justice League: The Flashpoint Paradox is a direct-to-video animated film adaptation of the 2011 comic book crossover "Flashpoint" by Geoff Johns and Andy Kubert. Justice League: The Flashpoint Paradox:  The film stars Justin Chambers as Barry Allen / Flash, C. Thomas Howell as Eobard Thawne / Professor Zoom, Michael B. Jordan as Victor Stone / Cyborg, and Kevin McKidd as Thomas Wayne / Batman. Flashpoint (comics): "Flashpoint" is a 2011 comic book crossover story arc published by DC Comics. Flashpoint (comics):  The core miniseries was written by Geoff Johns and pencilled by Andy Kubert.
Andy Kubert