He crowned Tigranes of Armenia, and delayed celebrating his triumph over the Pannonians during the mourning for Varrus's disaster.  
This man was dispatched, along with Sentius Saturninus, to attack king Maroboduus of the Marcomanni.  He retained the astrologer Thrasyllus after a correct prediction of good news from the ship that brought word he could return to Rome.  He crowned Tigranes of Armenia, and delayed celebrating his triumph over the Pannonians during the mourning for Varrus's disaster.  Suetonius states that he had trained young boys nibble between his legs when he went swimming, one of many debaucheries he supposedly indulged in after he retired to Capri, leaving Sejanus in charge.  FTP, name this Julio-Claudian who succeeded Augustus as the second emperor of Rome.
This man was dispatched, along with Sentius Saturninus, to attack king Maroboduus of the Marcomanni.  
Tiberius Caesar Augustus or Claudius Nero