Mustapha Mond -  The Resident World Controller of Western Europe, one of only ten World Controllers. He was once an ambitious, young scientist performing illicit research. When his work was discovered, he was given the choice of going into exile or training to become a World Controller. He chose to give up science, and now he censors scientific discoveries and exiles people for unorthodox beliefs. He also keeps a collection of forbidden literature in his safe, including Shakespeare and religious writings. The name Mond means “world,” and Mond is indeed the most powerful character in the world of this novel.