Succeeded by Macrinus and known by a nickname derived from his Gallic cloak, for 10 points, name Roman emperor, the son and successor of Septimius Severus.
This leader's raising of soldiers' pay by 50 percent caused a monetary crisis in which he avoid debasing the currency by reducing the weight of the aureus and introducing a silver coin which weighed almost a gram less than the equal value of two denarii coins. One construction project during the reign of this husband of Fulvia Plautilla included a 12-foot-tall statue of Asclepius, a copy of the Farnese Hercules, and the Farnese Bull. He cut off an indecisive campaign in the agri decumates region and abandoned the Caledonian campaign shortly after reaching his highest post. This ruler, a worshipper of Serapis who was the only emperor to be depicted as a pharaoh, murdered his brother Geta, allegedly while the latter was in the arms of their mother, Julia Domna. Before being murdered by Julius Martialis on the way to Parthia, he authorized the construction of his namesake thermae, or public baths. Succeeded by Macrinus and known by a nickname derived from his Gallic cloak, for 10 points, name Roman emperor, the son and successor of Septimius Severus.
This leader's raising of soldiers' pay by 50 percent caused a monetary crisis in which he avoid debasing the currency by reducing the weight of the aureus and introducing a silver coin which weighed almost a gram less than the equal value of two denarii coins.
Caracalla [accept Lucius Severius Bassianus; prompt "Marcus Aurelius Antoninus"]