Leonard McLean (April 9, 1949 - July 28, 1998), better known as "The Guv'nor", was a famed East End of London bareknuckle fighter, often referred to as "the hardest man in Britain". McLean made his name in the late 1960s and remained famous in the 1970s through to the mid 1980s. Mclean stated that he had been involved in between 2,000 to 3,000 fights in his life on the streets or "cobbles", in pubs and clubs and in the ring. Wikipedia
The definitive Wikipedia entry for Lenny McLean. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Lenny_McLean