Caligula incest with his sisters, Agrippina the Younger, Drusilla, and Livilla, and say he prostituted them to other men. They state he sent troops on illogical military exercises, turned the palace into a brothel, and, most famously, planned or promised to make his horse, Incitatus, a consul, and actually appointed him a priest. The validity of these accounts is debatable. In Roman political culture, insanity and sexual perversity were often presented hand-in-hand with poor government. Caligula's actions as emperor were described as being especially harsh to the senate, to the nobility and to the equestrian order. According to Josephus, these actions
Roman emperor he turned down supreme authority in exchange for a collection of various powers and offices, which in itself was a demonstration of his "auctoritas" ("authority"). As holding "princeps senatus", the emperor declared the opening and closure of each Senate session, declared the Senate's agenda, imposed rules and regulation for the Senate to follow, and met with foreign ambassadors in the name of the Senate. Being "pontifex maximus" made the emperor the chief administrator of religious affairs, granting him the power to conduct all religious ceremonies, consecrate temples, control the Roman calendar (adding or removing days as needed), appoint the vestal