Pieter Willem Botha also known as P.W or Die Groot Krokodil (The Big Crocodile) was the last state president of South Africa from 1984 to 1989 during the last years of apartheid. Under his presidency thousands were intered, tortured and killed. He also refused to free Nelson Mandela. After his retirement he stayed in obscurity until his death on 31 October 2006. He claimed he had no regrets about the way he ran South Africa. The character Willem is named after him.