El Eternauta is a classic Argentine graphic novel created by Héctor Germán Oesterheld and illustrated by Francisco Solano López. First published in 1957, it tells the story of a group of survivors in Buenos Aires who must navigate a deadly alien invasion. The narrative explores themes of resistance, sacrifice, and the human condition. The protagonist, Juan Salvo, becomes the titular "Eternaut" as he battles against the extraterrestrial threat while trying to protect his family and friends. The work is celebrated for its social commentary and has influenced many artists and writers in the realm of comics and beyond.