Dirty Harry "Rawhide", was responsible for creating Callahan's distinctive old-fashioned brown and yellow checked jacket to emphasize his strong values in pursuing crime. Filming for "Dirty Harry" began in April 1971 and involved some risky stunts, with much footage shot at night and filming the city of San Francisco aerially, a technique for which the film series is renowned. Eastwood performed the stunt in which he jumps onto the roof of the hijacked school bus from a bridge, without a stunt double. His face is clearly visible throughout the shot. Eastwood also directed the suicide-jumper scene. The line, "My, that's a big
Dirty Harry (character) a film icon, so much so that his nickname, "Dirty Harry", has entered the lexicon as slang for ruthless police officers. All of the "Dirty Harry" films feature Callahan killing criminals, mostly in gunfights. Phrases he utters in armed stand-offs, ""Go ahead, make my day"" and ""[...] you've got to ask yourself one question: 'Do I feel lucky?' Well, do ya, punk?"" have become iconic. As the 1971 film was criticized for carrying fascist, or at least authoritarian, undertones, the sequels attempted to be more balanced by pitting Harry against villains from a broader ideological spectrum; notably in 1973's "Magnum