Unknown Soldier is a fictional war comics character in the DC Comics Universe. The character was created by Joe Kubert, Robert Kanigher and Irv Novick, first appearing in Our Army At War #168. The character is named after The Tomb of the Unknown Soldier at Arlington National Cemetery, Virginia. The character of the Unknown Soldier is symbolic of the nameless soldiers that have fought throughout the United States' wars; as stated in his first featured story "They Came From Shangri-La!", he is the "man who no one knows — but — is known by everyone!" Another nickname for the character used in the series is "The Immortal G.I."

War comics is a genre of comic books that gained popularity in English-speaking countries following World War II.