Goodfella

Was Anthony Mirra a wiseguy then? […] If Mirra wasn't a good fellow at the time you was there, his argument is no good.

Source: wiktionary

[…] according to law enforcement, the boss of the largest crime family in the country, some 300 wise guys, good fellows, good guys, button men, made guys—sworn members of the family—and 1,000 and 1,500 associated members.

Source: wiktionary

As grounds for opposition [to the mark GOODFELLA], opposer [the Order Sons of Italy in America] alleges […] that “Goodfellas” is a code word used by organized criminals to refer to each other; that a synonym for “goodfellas” is “mafioso”[…]; that the term “Goodfellas” became generally known throughout the United States and Canada for its criminal meaning when the movie of the same name was released in 1990; that opposer and the CSJ object to use of the term “Goodfellas” beyond its meaning and description of a small group of organized criminals both in Italy and America […]

Source: wiktionary

Faced with damning disclosures from wiretaps and the prospect of life in prison, top goodfellas have ‘flipped’ to the prosecution's side.

Source: wiktionary