Ronnie and Reggie Kray were identical twin brothers born in 1933 in London, England. They became notorious as leaders of the Kray twins gang, which was involved in organized crime during the 1950s and 1960s. Their criminal activities included extortion, robbery, and violence, and they were known for their connections to various celebrities and politicians. The twins were arrested in 1968 and later convicted of murder, leading to life sentences in prison. Their story has been the subject of numerous books and films, highlighting their complex personalities and the impact of their criminal lifestyle on British society.