PHs I know that have doubles:
Andy Shultz, John Creef, Mattew Stanton, Cliff Walker, Mike Payne, John Sharp, Zane Van Den Merwe, Peter Chipman, Rodger Whitall,N Duckworth, Wayne Clark, Mjr D Price, H Nichols, D Meridith, R Hoets, Robin Hurt, Ivan Cater, Johan Calitz, Mark Selby, Richard Tabor, Paul Smith and Andrew Dawson.