Ryoko Tani (Tamura)

This girl eats her Wheaties.
For two decades she has been one of the most popular female athletes in Japan, and
had dominated the lighter weight classes of international Judo

Min Ho Choi

Check out this link to see Min Ho Choi of Korea win several matches by Ippon on his way to an Olympic Gold medal in the -60kg

http://www.judovision.org/?p=1790

there are plenty of others Olympic videos on the site as well, including Ronda's bewildering loss to a Belgian in the first seconds of the match.