Indiana Jones Chronicles" explains how Indiana becomes solitary and less idealistic following his service in World War I. In "Indiana Jones and the Kingdom of the Crystal Skull", Jones is older and wiser, whereas his sidekicks Mutt and Mac are youthfully arrogant and greedy, respectively. Indiana Jones is modeled after the strong-jawed heroes of the matinée serials and pulp magazines that George Lucas and Steven Spielberg enjoyed in their childhoods (such as the Republic Pictures serials, and the Doc Savage series). Sir H. Rider Haggard's safari guide/big game hunter Allan Quatermain of "King Solomon's Mines", who dates back to 1885, is a
Indiana Jones original storylines with Indiana Jones in the Lost Kingdom, "Indiana Jones and the Fate of Atlantis", "Indiana Jones and the Infernal Machine", "Indiana Jones and the Emperor's Tomb" and "Indiana Jones and the Staff of Kings". "Emperor's Tomb" sets up Jones's companion Wu Han and the search for Nurhaci's ashes seen at the beginning of "Temple of Doom". The first two games were developed by Hal Barwood and starred Doug Lee as the voice of Indiana Jones; "Emperor's Tomb" had David Esch fill the role and "Staff of Kings" starred John Armstrong. "Indiana Jones and the Infernal Machine" was the