The name Flavius is a boy's name meaning "yellow, blond". Flavius and is often added to lists like Cool Boy Names From Ancient Cultures and discussed in our forums with posts like "CAF Quiz with Random Questions".
From the experts:
Flavius is an ancient Roman family name associated with a dynasty of emperors. It has an appealingly flavorful first syllable, and is the name of a stylist in the Hunger Games series.
Earlier fictional characters include the Flavius in Shakespeare's Julius Caesar, Flavius Maximus in a "Star Trek" episode, and a Flavius in the Pandora novel in Anne Rice's The Vampire Chronicles.
With the renewed interest in ancient Roman names, Flavius might find some fans.