The term 'Doolittle' refers to the American aviator, James Harold Doolittle. He was a pioneering aviator and military leader who was the first person to fly an aircraft across the United States in less than 24 hours. He also led the famous 1942 Doolittle Raid, a daring air raid on Tokyo during World War II. The term 'Eliza' is a reference to Eliza Doolittle, a character from George Bernard Shaw's play Pygmalion. Eliza is a poor flower girl who is transformed into a sophisticated woman by Professor Henry Higgins.