Romulus Augustulus
Flavius Romulus Augustus (c. AD 460 – after AD 476; possibly still alive as late as AD 507), known derisively and historiographically as Romulus Augustulus, was the Roman emperor who ruled the Western Roman Empire from 31 October 475 until 4 September 476. He is often described as the "last Western Roman emperor", though some historians consider this to be Julius Nepos. His deposition by Odoacer traditionally marks the end of the Roman Empire in the West, the end of Ancient Rome, and the beginning of the Middle Ages in Western Europe.
Last Roman Emperor
The legend is based on the "Apocalypse of Pseudo-Methodius", which was, after the Book of Daniel and the Book of Revelation, "the most widespread apocalypse story in Europe". It proposes a different Last Emperor from the previous figure, who fought against religious enemies, and introduced the conflict with Islam: he will "go forth against them [the enemies of the faith] from the Ethiopian sea and will send the sword and desolation into Ethribus their homeland, capturing their women and children living in the Land of Promise". After conquering his enemies he would travel to Jerusalem and relinquish his power on the Mount of Olives. The Last Emperor was further developed in the writings of Adso of Montier-en-Der, whose "Libellus de Antichristo" (ca. 954) was a popular biography of the Antichrist, whose coming was preceded by the rise of a Frankish ruler (the continuation of the Roman Empire); this Last Emperor would voluntarily give up his power and die, after which the Antichrist comes to power. Another important impetus came from the oracles of the Tiburtine Sibyl, first recorded in Latin around the year 1000; its legend proved particularly adaptable to rulers all over Europe, containing as it did a list of emperors and kings leading up to the Last Emperor which could be revised or added to as political and dynastic circumstances required. It still had great currency in the fifteenth century.