<P> Simpson enlisted in the Australian Army after the outbreak of war, apparently as a means of returning to England, He enlisted as "John Simpson", and may have dropped his real surname to avoid being identified as a ship deserter . Simpson enlisted as a field ambulance stretcher bearer, a role only given to physically strong men, on 23 August 1914 at Swan Barracks, Francis Street, in Perth, and undertook training at Blackboy Hill Training Camp . He was assigned to the 3rd Australian Field Ambulance and the regimental number 202 . </P> <P> Simpson landed on the Gallipoli Peninsula on 25 April 1915 with the 3rd Field Ambulance as part of the 1st Australian Division . In the early hours of the following day, as he was bearing a wounded comrade on his shoulders, he spotted a donkey and quickly began making use of it to carry his fellow soldiers . Simpson would sing and whistle, seeming to ignore the bullets flying through the air, while he tended to his comrades . </P> <P> He used at least five different donkeys, known as "Duffy No. 1", "Duffy No. 2", "Murphy", "Queen Elizabeth" and "Abdul" at Gallipoli; some of the donkeys were killed and / or wounded in action . He and the donkeys soon became a familiar sight to the Anzacs, many of whom knew Simpson by the nicknames such as "Scotty" (in reference to his ancestry) and "Simmy". Simpson himself was also sometimes referred to as "Murphy". Other Anzac stretcher bearers began to emulate Simpson's use of the donkeys . </P> <P> Colonel (later General) John Monash wrote: "Private Simpson and his little beast earned the admiration of everyone at the upper end of the valley . They worked all day and night throughout the whole period since the landing, and the help rendered to the wounded was invaluable . Simpson knew no fear and moved unconcernedly amid shrapnel and rifle fire, steadily carrying out his self - imposed task day by day, and he frequently earned the applause of the personnel for his many fearless rescues of wounded men from areas subject to rifle and shrapnel fire ." </P>

What was the name of simpson's donkey
find me the text answering this question