Why wasn't there a Roman emperor called Romulus or Remus?

Rome's first emperor (in more or less modern sense) was Gaius Julius Caesar's adopted son who used the same name (I wouldn't refer to him as Octavian, since that was the term used by his enemies to emphasize his original name of Gaius Octavius, under which he wouldn't get much support at such a young age). read more

There was a Roman emperor named Romulus Augustulus! As for Remus, it would have been virtually sacrilegious to use his name. Back when the brothers and their men were first building the walls of Rome something awful occurred. Remus and his brother did not agree on which hill they should build on, but the auguries favored Romulus’ choice. This angered Remus. read more

Romulus' father Orestes was a Roman citizen, originally from Pannonia, who had served as a secretary and diplomat for Attila the Hun and later rose through the ranks of the Roman army. The future emperor was named Romulus after his maternal grandfather, a nobleman from Poetovio in Noricum. read more