Gary Gianni studied at the Academy of Fine Arts in Chicago, where he graduated in 1976. He became a newspaper illustrator and courtroom sketch artist. He made his debut in comics in 1990, when he created adaptations of 'The Tales of O. Henry' and '20,000 Leagues Under the Sea' for the Classics Illustrated series.
Prince Valiant (The Sunday Telegraph, Australia, 12-4-2009)
After that, he worked for Dark Horse Comics, writing and drawing 'Indiana Jones and The Shrine Of The Sea Devil' and making 'The Shadow' with Michael Kaluta, as well as illustrating the work of Harlan Ellison and Andrew Vachss. In 1997, Gary Gianni won The Eisner Award for Best Short Story. Gianni created 'The Monstermen Mysteries' as a back-up feature in Mike Mignola's 'Hellboy'.
As an illustrator, he made pen drawings and oil paintings for the 1998 edition of Robert E. Howard's 'Savage Tales of Solomon Kane' by Wandering Star Press. He later also illustrated the companion book 'Bran Mak Morn: The Last King'. Gianni took over the newspaper comic 'Prince Valiant' after the retirement of John Cullen Murphy in 2004. He continued the feature with scripts by Mark Schultz until April 2012, when Thomas Yeates became the new artist.