Thor (often called The Mighty Thor) is a superhero appearing in the . Based on the god of the same name from Nordic mythology and created by editor-plotter Stan Lee, scripter Larry Lieber, and penciller Jack Kirby, the character first appears in Journey into Mystery #83 (Aug. 1962). The uncredited initial inker was Joe Sinnott.Per The Unofficial Handbook of Marvel Comics Creators, "On the letter page of Thor (I) #433, Ron Frenz claims that this story was inked by Joe Sinnott; confirmed by son, Mark Sinnott".
Writer-editor Stan Lee described Thor's genesis as following the creation of the Hulk:Following Thor's debut in the science fiction/fantasy anthology title Journey into Mystery, the 13-page feature "The Mighty Thor" continued to be plotted by Lee but scripted by Lee's brother Larry Lieber or Robert Bernstein (working under the pseudonym "R. Berns"). Penciling was by either Jack Kirby, Joe Sinnott, Don Heck, or, for a single issue, Al Hartley. Then with Jou
Source: http://en.wikipedia.org/wiki/Mighty Thor