|First appearance||S1E10: Party Favors (mentioned)|
|Last appearance||S1E10: Party Favors (mentioned)|
|Relationships||Numerius (Friend, deceased)|
|Status||Unknown (presumed active)|
Flavius is a childhood friend of Numerius.
Flavius is mentioned by Numerius in the episode Party Favors. He shared Numerius' passion for gladiators and the arena, apparently being envious of Numerius' birthday celebrations, held at The House of Batiatus. He attended along with Numerius' other friends.