In the 1999 cult classic movie The Boondock Saints, Willem Dafoe plays the role of an FBI agent, whose character is based on a real-life Irish-American mobster. In the movie, he has a large butterfly tattoo on his back, which is said to symbolize the redemption of a past life, and the rebirth of a new one. The butterfly tattoo has become a popular symbol for fans of the movie, and has become a popular choice for people looking for meaningful ink.