What was Octavius's later name? I would also like to know why he is an important character
Having no legitimate children alive (his daughter Julia died in 54 BC), Julius Caesar had adopted his great-nephew Octavius as his son and main heir. Owing to his adoption, Octavius assumed the name Gaius Julius Caesar. Roman tradition dictated that he also append the surname Octavianus (Octavian) to indicate his biological family; however, no evidence exists that he ever used that name.
(The entire section contains 188 words.)
check Approved by eNotes Editorial