Yiorgos Caralambo also called Greek George and George Allen was an alleged murderer and camel driver hired by U.S. Army in 1856 for the Camel Corps experiment in the Southwest. The camels were to be tested for use in transportation across the "Great American Desert."

Hi Jolly or Hadji Ali, also known as Philip Tedro, was an Ottoman subject of Syrian and Greek parentage, and in 1856 became one of the first camel drivers ever hired by the US Army to lead the camel driver experiment in the Southwest.