Henry Walton, known by his nickname Indiana Jones, is the protagonist of the Indiana Jones film franchise. He first appeared in Raiders of the Lost Ark in 1981 and later in three additional films - Indiana Jones and the Temple of Doom, Indiana Jones and the Last Crusade, and Indiana Jones and the Kingdom of the Crystal Skull. Indiana Jones is most famously portrayed by Harrison Ford but has also been played by other actors in spin-offs of the franchise. The character has become highly popular and recognized as an iconic hero in popular culture.