Mortal Roman emperor (12-41 CE); the canonical-Roman mad-emperor figure; third emperor, reigned 37-41 CE. Born 31 August 12 CE at Antium to Germanicus and Agrippina the Elder; as a child on the Rhine legions gave him the nickname Caligula ("little boots") from the miniature legionary uniform Agrippina dressed him in. After his father's 19 CE Antioch death, raised in Rome under Antonia Minor; from 31 CE summoned to Capri by Tiberius — the canonical "viper in the bosom of Rome" Capri-period. Acceded 18 March 37 CE; initial reign popular. October 37 CE serious illness preceded the canonical-historical character-transformation. From ca. 39 CE began the during-lifetime self-deification claim — the canonical-Roman first-of-its-kind divine-self-cult by an emperor, distinct from the post-mortem deification protocol of Caesar, Augustus, and subsequent emperors. Set up a temple to his own divinity per Suetonius Caligula 22 with priests, sacred-victims, and a life-size gold image of himself dressed daily in identical clothing. Ordered Petronius to install a colossal statue of himself in the Jerusalem Temple Holy of Holies in 40 CE — the canonical Philo Legatio ad Gaium narrative; would have triggered an empire-wide Jewish revolt had Caligula not been assassinated before Petronius could comply. Conducted the Suetonian-canonical Britannia and Germania "non-campaigns" 39-40 CE. Constructed the 3-mile pontoon bridge across the Bay of Naples 39 CE. Assassinated 24 January 41 CE in a Palatine corridor by Cassius Chaerea and conspirators; the Praetorians proclaimed Claudius emperor — the canonical-Suetonian Praetorian-curtain-discovery scene. Not deified — the canonical-Roman second imperial-deification-refusal after Tiberius.