For 10 points, name this nutjob of the Severan dynasty that had his brother Geta killed, who, like Constantine, constructed some enormous baths.
According to the anonymous Augustan History, as a boy this ruler refused to talk to his own father after a Jewish playmate of his got in trouble for being Jewish. Various peoples he put to death include the scholar Sammonicus Serenus and Ptolemy Euergetes, who was too physically fit for battle. He was killed while worshipping Lunus at Carrhae. He took up the agnomen Germanicus once he conquered some barbarians in Germania. As part of his way against the Parthians, he appointed Theocritus as general and had him use wild boars and other vicious animals as troops against them. He extended Roman rights to all freedmen in his Constitutio Antoninus. He took his common name from the Gallic cloak he wore. For 10 points, name this nutjob of the Severan dynasty that had his brother Geta killed, who, like Constantine, constructed some enormous baths.
According to the anonymous Augustan History, as a boy this ruler refused to talk to his own father after a Jewish playmate of his got in trouble for being Jewish.
Carcalla or Lucius Septimius Bassianus