He was the emperor of eastern Rome from 565 to 578, during his reign the Persians overran Syria and captured an important city Dara which led to Justin losing his mind. This prompted him to name his successor Tiberius Constantine II. During his final days, the madness intensified to the extent that when they were riding him through the palace he was biting attendants has he passed, he ordered for organic music to be played in order to sooth his frenzied mind. It is believed that he ate several attendants during his reign.