Nero

 is the leader of the Omertas living in the Gomorrah casino in 2281.

Background
Nero is the leader of the Omertas, his right hand man is Big Sal.

Locations

 * You can find Nero in the Gomorrah Casino.
 * Nero is sometimes in the room behind one of the hard locked doors which is guarded by one of his thugs in the Suites Level, the top floor of Gomorrah which is reachable through the elevators. Unlocking the doors does not seem to alert the guards, but be sure to save beforehand just in case.

Appearances
appears in Fallout: New Vegas.

Bugs

 * If you have finished the quest How Little We Know, Nero may disappear completely from the casino (PC confirm).