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David Della Rocco (Born May 4, 1952) is an Italian-American comedian and actor best known for his supporting role in the 1999 cult film The Boondock Saints, in which he played a character also named David Della Rocco (though usually just called "Rocco" and "Roc")

Della Rocco brought many of his real-life mannerisms and flair to the character, making an impression on fans and living up to the character's nickname, "The Funny Man".

Della Rocco is a friend of The Boondock Saints writer and director Troy Duffy and his role in that movie was written specifically for him. He played the part of a low-life in the mob who helps his two friends, the MacManus brothers, in ridding Boston, MA of criminals and evil.

David Della Rocco returns as "Rocco" in the sequel The Boondock Saints II: All Saints Day in a dream sequence guiding the MacManus brothers on their mission.

He is a native of Norwich, Connecticut, and studied acting with the late Susan Peretz in Los Angeles and is also a member of The Actor's Studio.

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