Otho (January - April 69CE)
Otho (15 January 69CE - 17 April 69CE). Marcus Salvius Otho was a close friend of Nero who supported Galba in the hopes of becoming his heir; however, when Galba adopted L. Calpurnius Piso, he had both Galba and Piso assassinated and was proclaimed emperor. He was the second of the emperors in the year of the Four Emperors. When he suffered a defeat by the armies of Vitellius, Otho committed suicide in order to prevent civil war.