El, Supermans father is the same one that  Buster Crabbe (qv) wore in the serial  _Flash Gordon Conquers the Universe (1940)_ (qv). Other Kryptonians  wore parts of the costumes of Captain Marvel (from  _Adventures of Captain Marvel (1941)_ (qv)) and Captain America  (from _Captain America (1944)_ (qv)) among others.