Oesterheld refers to Héctor Germán Oesterheld, an influential Argentine comic book writer known for his work in the mid-20th century. He is best known for creating the iconic comic series El Eternauta, which tells the story of a group of survivors facing an alien invasion in Buenos Aires. Oesterheld's storytelling often incorporated social and political themes, reflecting the turbulent times in Argentina. In the 1970s, Oesterheld became a target of the military dictatorship in Argentina due to his leftist views and activism. He was kidnapped in 1977 and disappeared, becoming a symbol of the struggle against oppression. His legacy continues to inspire artists and writers in the realm of graphic literature.