Doctor or The Doctor is the nickname or stagename for:The Doctor The Doctor the Emergency Medical Hologram Clive Jackson, aka "The Big Doctor", lead singer of Doctor and the Medics W. G. Grace (1848–1915), English cricketer Doctor Khumalo, South African footballer Lindsay McDougall, Australian radio host Valentino Rossi, Italian motorcycle racer Roland Rotherham, British historian and lecturer Julius Erving, American basketball player known as "Doctor J"