This emperor, whose name means "little boots," committed incest with his sister Drusilla and attempted to make his horse Incitatus a consul.
This emperor ordered the death of the last ruler of Mauretania because of his purple cloak, allowing this man's successor to complete its annexation. Accounts of this ruler's death suggest Cassius Chaerea was the first to strike him. This man's father died mysteriously in Antioch, leading to suspicions of poison. This son of Germanicus died at the Palatine Games after being repeatedly stabbed by members of the Praetorian Guard. This emperor, whose name means "little boots," committed incest with his sister Drusilla and attempted to make his horse Incitatus a consul. For 10 points, name this third Roman Emperor succeeded by his uncle Claudius, known for being a madman.
This emperor ordered the death of the last ruler of Mauretania because of his purple cloak, allowing this man's successor to complete its annexation.
Caligula [or Gaius Julius Caesar Augustus Germanicus; or Gaius Julius Caesar Germanicus; prompt on "little boots" before mention]