http://news.bbc.co.uk/sport1/hi/cricket/england/7447119.stm

"I've got an alter ego called Gunther. When I start bowling, he takes over. Gunther lives in the mountains in Germany. When he was a kid there was a lack of oxygen going to his brain, so something went wrong in his mind."

"When he [Nel] comes in to bowl it's like watching a man whose brain is at war with his face"