According to Webster’s, a cyborg is “a person whose body contains mechanical or electrical devices and whose abilities are greater than the abilities of normal humans.” And they already exist among us. Take Steve Mann, for example. This University of Toronto professor has been wearing tech since the 1980s, most recently sporting headwear (that requires tools to remove from his head) that’s designed to capture photos and videos in real-time.

Mann got us thinking about famous cyborgs onscreen, in books and in real life. Although we may not be quite on their level yet, we could be closer than you think.

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Darth Vader

Born Anakin Skywalker, this cyborg fell to the dark side of the force and became the villain of the original Star Wars trilogy. During an epic battle between Vader and Obi-Wan Kenobi at the end of "Star Wars Episode III: Revenge of the Sith," Kenobi severs Vader's legs and remaining arm and the villain falls near lava and catches fire. Emperor Palpatine rescues Darth Vader and replaces his limbs with cybernetic limbs.

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