The Gunslinger is an android and the main villain from the 1973 film WestWorld and makes a cameo appearance in the 1976 sequel FuturWorld. He is played by Yul Brynner.
In the first film The gunslinger is depicted to be one of the main made androids used as attractions in the Adult themepark WestWorld which is a set that resembles the everyday life in an American wild west town. Other attractions are a MedievalWorld and a RomanWorld. The gunslinger is a programmed to start an argument and then persuade the tourist in fictitious gun draw, the gunslinger inevitably looses the match every time because for the safety of the tourists the guns don't work on human beings but just on the androids thus being armless against the two main characters Peter Martin and John Blane.
Things change when a virus corrupts the system of WestWorld and the other surrounding Medieval and Roman worlds causing the some androids to behave differently and actually injuring or killing the tourists. The gunslinger makes no exception and persuades Blane into another duel which ends up withe the gunslinger being victorious and Blane dying, the gunslinger chases Martin through WestWorld and the surrounding towns, down the laboratories where the androids are built up until RomanWorld where Martin manages to throw acid on his face so he won't be able to detect his infrared signature. In MedievilWorld, he has been burned alive by Martin, before he manage to get fried and go offline after he destroys his face. The gunslinger also makes a cameo appearance in the sequel film FuturWorld where he appears in a dream sequence.
The androids are shown to be extremely similar in appearance to human beings to the point that they actually can have sexual encounters with the tourists and bleed like humans. The gunslinger is depicted as wearing a hat, a dark-blue shirt and jeans, he also is armed with two pistols on each side of his hips. He has a very human look, a fierce expression and seems to have a silver looking sparkle in each of his eyes.