This thesis explores the ways in which Suetonius’ De vita Caesarum represents complex characters beyond simple ciphers of virtue and vice. The first chapter maps out three dimensions of characterization demonstrated in ancient writing (baseline, dissonant, and realistic). The second chapter applies this tripartite perspective to the emperor Claudius, in an isolated case study, as a means of reading his complex character construction. The nature of biography only achieves a complete portrait of a person through selective topics and as such the third chapter examines how external descriptions (i.e. physical appearance, dress, and names) create complex characterization. Speech is often the mirror of a man and the fourth chapter observes the w...