Wikipedia
Red Devils or Bulgeun Angma (붉은 악마) is the official supporting group for the Korea Republic national football team.
The Red Devils are the Parachute Regiment's parachute display team. The team wears the distinctive maroon beret. The Red Devils are regular serving paratroopers from the four battalions of the Parachute Regiment who have volunteered to serve on the display team.
Red Devils (also known as "The Hunt for blue fox") is a revolutionary adventure story written by the secretary of the Provincial Committee of the Kostroma RCP (B), novelist and screenwriter Paul Blyahin (Pavel Blyakhin) in 1921 and published in 1923–1926. The book became popular after the film adaptation of the first novel in 1923. The silent movie "Red Devils" has become one of the most famous and oft-quoted works of the Soviet adventure film.