Thomas "Two-Gun Tommy" Anthony DeSimone (May 24, 1950 – January 14, 1979) was an Italian-American gangster

Gangster

A gangster is a criminal who is a member of a gang. Some gangs are considered to be part of organized crime. Gangsters are also called mobsters, a term derived from mob and the suffix -ster....

 and associate of the Lucchese crime family

Lucchese crime family

The Lucchese crime family is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia . The family originated in the early 1920s with Gaetano "Tommy" Reina serving as boss up until his murder...

 in New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

. Also known as "Tommy D" or "Tommy Two-Guns", he was a grandson and nephew of Los Angeles

Los Angeles crime family

The Los Angeles crime family is an Italian American criminal organization based in Los Angeles, as part of the American Mafia . Since its inception in the early 1900s, it has spread throughout Southern California. Like most Mafia families in the United States, the L.A. family gained power...

 mob bosses Rosario DeSimone

Rosario DeSimone

Rosario "the Chief" DeSimone , was the head of an Italian crime family that was the predecessor to the Los Angeles crime family of the American Mafia from 1922 to 1925. Rosario was the father of the future California mob boss, Frank DeSimone.-Biography:DeSimone was born in Salaparuta, Sicily in...

 and Frank DeSimone

Frank DeSimone

Frank A. DeSimone was the Boss of the Los Angeles crime family from 1956 to 1967. DeSimone was the son of former don Rosario DeSimone. He was sometime referred to as "One Eye" because one of his eyes drooped, in the same way as Charles "Lucky" Luciano...

. He was married to Angelica "Cookie" Spione, but had many mistresses, including Theresa Ferrara

Theresa Ferrara

Theresa Ferrara an Italian-American born in the Five Towns area of Long Island, New York. She worked with Lucchese crime family associates, and eventually became an informant for the Federal Bureau of Investigation . Ferrara was a distant relative of New Orleans crime family boss Carlos Marcello...

. In the 1990 Martin Scorsese

Martin Scorsese

Martin Charles Scorsese is an American film director, screenwriter, producer, actor, and film historian. In 1990 he founded The Film Foundation, a nonprofit organization dedicated to film preservation, and in 2007 he founded the World Cinema Foundation...

 film Goodfellas

Goodfellas

Goodfellas is a 1990 American crime film directed by Martin Scorsese. It is a film adaptation of the 1986 non-fiction book Wiseguy by Nicholas Pileggi, who co-wrote the screenplay with Scorsese...

, the character Tommy DeVito (played by Joe Pesci

Joe Pesci

Joseph Frank "Joe" Pesci is an American actor, comedian, and musician.He is known for playing a variety of different roles, from violent mobsters to comedic leads to quirky sidekicks...

) is based on DeSimone.
Thomas' sister was Dolores and his two brothers were Gambino crime family

Gambino crime family

The Gambino crime family is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia . The group is named after Carlo Gambino, boss of the family at the time of the McClellan hearings in 1963...

 associate Robert DeSimone (imprisoned for life

Life imprisonment

Life imprisonment is a sentence of imprisonment for a serious crime under which the convicted person is to remain in jail for the rest of his or her life...

) and Gambino associate Anthony DeSimone, murdered by mobster Thomas Agro

Thomas Agro

Thomas Agro , also known as "Tommy A", "T.A.", "Tipp", and "Thomas Ambrosiano", was a New York gangster with the Gambino crime family who ran lucrative bookmaking and gambling operations in Florida.-Background:...

 in the early 1980s.