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 first three films, but focuses on the plot of "Indiana Jones and the Kingdom of the Crystal Skull". Social gaming company Zynga introduced Indiana Jones to their "Adventure World" game in late 2011. "Indiana" Jones's full name is Dr. Henry Walton Jones Jr., and his nickname is often shortened to "Indy". In his role as a college professor of archaeology, Jones is scholarly and learned in a tweed suit, lecturing on ancient civilizations. At the opportunity to recover important artifacts, Dr. Jones transforms into "Indiana," a "non-superhero superhero" image he has concocted for himself. Producer Frank Marshall said, "Indy [is]