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Grievous Hero, a cyborg
A cyborg was a cybernetic organism; that is, a living organic sentient organism with mechanical prostheses. Often covered in synthflesh/synthskin, these prostheses served one or more of three purposes:
- Life support, often due to injuries sustained. Examples of this were Darth Vader.
- Prosthetic replacements for parts that were lost, though they may not be required for life itself. An example of this was the prosthetic hand used by Luke Skywalker, as well the mechanical arm used by Anakin Skywalker. After the latter became Darth Vader and sustained life-threatening injuries, losing all his limbs, they were replaced by prosthetic ones.
- To enhance one's abilities, as in the case of Lobot and TCW Grievous Hero.
They were generally regarded as "soulless abominations" and "monstrosities" when some were and some weren't. Grievous is regarded as a "droid" and "evil" when he is heroic and the even the evil Darth Maul called Grievous a "monstrosity".