Billy Costigan

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Billy Costigan
First appearance	The Departed'
Last appearance	The Departed
Portrayed by	Leonardo DiCaprio
Information
Gender	Male
Age	approx. 22
Occupation	Undercover Police Officer
Family	William M. Billy Costigan, Sr. (father) , Unnamed mother
Spouse(s)	Madoyln Madden (one-night stand)
Children	Unborn child (by Maddoyln)
Relatives	Sean Costigan (paternal cousin), Jackie Costigan (paternal uncle, Sean's father)

William M. "Billy" Costigan, Jr. was a fictional character and a protagonist in the 2006 film, The Departed. He was portrayed by Leonardo DiCaprio.

[edit] Background

Born circa 1984, Billy is the son of Irish immigrants Billy Costigan, Sr. and his unnamed wife. He is short-tempered and violent, but does have a sensitive side to him. He is shown to be a hard worker, optimistic, and intelligent. He is also very proud of his Irish heritage. This is shown when he beats two Italian mafioso half to death, when they make racist remarks about Irish people. He also quotes Hawthorne, while being interviewed at the beginning of the film.