Colonel Fitzgibbon is a character in the Grand Theft Auto series, who is mentioned on the Liberty Tree website. Colonel Fitzgibbon is not seen or mentioned during any of the games in the Grand Theft Auto series.
Colonel Fitzgibbon is a retired army colonel, who works with victims of liberalism in Liberty City. He was questioned after receiving a nail gun signed by Mayor Miles O'Donovan to sell in order to raise money for the victims. Colonel Fitzgibbon said: "we asked the Mayor for something for our prize draw to raise money for victims of Liberalism and we got sent a huge nail gun. The thing is, it does fit snuggly in a garage, but I'd rather use a hammer."