This character in the tattoo design is a mask of Guy Fawkes. There is this great movie: V for Vendetta, which is about a mysterious individual William Rookwood (Hugo Weaving) who wears a mask of Guy Fawkes to cover his face, and changes his name to only V. V's mission is to kill all the doctors who had tortured him at the detention center, and bring back justice to the country. More information about this movie can be found here.
