Movies
Did You Know? Karol Krauser was Fleischer's Superman Model

While the Fleischer Superman would obviously be based on the character drawn by Joe Shuster as seen in "Action Comics" and "Superman" comic books, they employed a technique known as "Rotoscoping" in which real-life figures were traced in ink, frame by frame, making the animated figures more believable.
Whether he was used in this fashion or not is unknown, but professional wrestler Karol Krauser was used as the male model by the Fleischers to aid in their portrayal of Superman for the animated shorts.
Born August 24, 1912 in Hollyoke, MA, Karol is best known as one of the Kalmikoff Brothers, Mad Russians, in the wrestling world of the 1950s and 1960s. In 1939 or 1940 Krauser modeled for the Fleischer Studios in Florida for the Superman animated shorts.
Interestingly, Stan Laurel (from Laurel and Hardy) was best man at his Krauser's wedding.
Karuser died of a heart attack immediately following his wrestling match in Salt Lake City on September 12, 1964.
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Many thanks to Karol's grandson, also named Karol Krauser, for the photos.