Raffaele Cutolo Cutolo has a variety of nicknames including "'o Vangelo" (the gospel), "'o Principe" (the prince), "'o Professore" (the professor) and "'o Monaco" (the monk).

Cutolo higfh ranking men were Antonino Cuomo known as "'o Maranghiello" (The Cudgel), Pasquale Barra known as "'o Nimale" (The Animal), Giuseppe Puca known as "'o Giappone" (Japanese), Pasquale D'Amico known as "'o Cartunaro" (The Cardboard picker) and Vincenzo Casillo known as "'o Nirone" (The Big Black).

Pasquale Barra got his nickname for the cruelty with killed the NCO enemies in prison.When killed Francis Turatello he stab him 60 times,turning over the intestines and arriving to bite his heart.

Michele Zaza once said: “At least 700,000 people live off contraband, which is for Naples what Fiat is to Turin. They have called me the Agnelli of Naples… Yes – it could all be eliminated in thirty minutes. And then those who work would be finished. They’d all become thieves, robbers, muggers. Naples would become the worst city in the world. Instead, this city should thank the twenty, thirty men who arrange for ships laden with cigarettes to be discharged and thus stop crime!” (The Agnelli referred to is Gianni Agnelli, president of Fiat, the Turin-based car multinational)[5] The profit margins were lucrative: in 1959 a case of Chesterfield, Camel or Pall Mall was bought for US$23 and sold on the streets for US$170.

Giovanni Brusca had committed between 100 and 200 murders but was unable to remember the exact number,in Mafia circles was know as "U' Verru" (in Sicilian) or Il Porco or Il Maiale, (In Italian: The Pig, The Swine) or "lo scannacristiani" (people-slayer; in Italian dialects the word "christians" often stands for "human beings").

Salvatore "Totò" Riina was nicknamed The Beast (La Belva) due to his violent nature, or sometimes The Short One (U curtu) due to his diminutive stature. During his lifelong career in crime he is believed to have personally killed around forty people and to have ordered the deaths of several hundreds more.

Bernardo Provenzano his nickname is Binnu u tratturi (Sicilian for "Binnie the tractor") because, in the words of one informant, "he mows people down."Another nickname is The Accountant due to his apparently subtle and low-key approach to running his crime empire, at least in contrast to some of his more violent predecessors.

Tommaso Buscetta, also known as the boss of the Two Worlds,for his international heroin traffick and Don Masino.

Paolo Di Lauro aka Ciruzzo the millionaire, got his nickname when Luigi Giuliano, at a poker table, he saw several hundred thousand lire tickets fall out of his pocket of Di Lauro, and exclaimed: "And who came , Ciruzzo the millionaire?