Tech Jacket is an American comic book created by writer Robert Kirkman and artist E. J. Su, first published monthly by Image Comics for six issues from November 2002 to April 2003. Starting in Invincible #71, an 8-part backup series ran, continuing the storyline from the original series. In the main comic, Tech-Jacket joined the Viltrumite war. This was followed by a new comic book series which ran twelve issues (July 2014 to December 2015). All issues have been collected into 4 graphic novels. The series is also notable for featuring the first appearance of Invincible, who would later star in Invincible and The Pact. Source: Wikipedia (en)