Pope John Paul II | Pope Benedict XVI | Alexandria | Pope | Pope Paul VI | Alexander Pope | Alexandria, Virginia | Pope Pius IX | Pope Pius XII | Pope Francis | Pope Leo XIII | Pope Pius XI | Pope John XXIII | Pope Innocent IV | Pope Pius VII | Pope Pius X | Pope John Paul I | Catherine of Alexandria | Pope Alexander III | Theodosius I | Pope Clement VII | Pope Urban VIII | Pope Clement V | Pope Pius VI | Pope Julius II | Pope Gregory VII | Pope Clement VIII | pope | Alexandria, Louisiana | Pope Sixtus V |
Damian was very active in fighting views that he considered heretical, including not only tritheism, but also the Chalcedonians, Pope Leo's Tome, Bishop Julian of Halicarnassus, the Agnoetae, the Meletians, the Acephali, the Gaianites (supporters of a rival to Theodosius I), Stephen of Alexandria and Paul of Beth Ukame.