Jim Valentino (born October 28, 1952) is an American writer, penciler, editor and publisher of comic books, best known for his 1990–1992 work on Guardians of the Galaxy for Marvel Comics, and for co-founding Image Comics, a company publishing creator-owned comics. At Image Comics, Valentino produced books such as the superhero vigilante series ShadowHawk, and the 1997 semi-autobiographical black and white book A Touch of Silver. Valentino also served as publisher of Image from 1999 to 2003, during which he oversaw the diversification of Image…