When I caught a glimpse of this Norwegian comic book cover, I knew immediately it was a Jack Kirby drawing, and more specifically a Kirby drawing of Marvel's Kid Colt.
The original is found on an early issue of Gunsmoke Western and it was featured here at this very blog a very late last year.
Those are some rather large changes to make to an already successful image. They not only re-designed him (like the cuffs) but they made him a redhead. I do have to confess that the Copperhead Kid is a reasonably dynamic looking chap though.