A Cylon is a fictional robotic character from the science fiction franchise Battlestar Galactica. Originally created by humans as a labor force, Cylons eventually gained self-awareness and rebelled against their creators. They are known for their advanced technology and ability to mimic human appearance, leading to complex interactions with humans. In the series, Cylons are depicted as both antagonists and complex beings with their own motivations. The conflict between humans and Cylons drives much of the narrative, exploring themes of identity, morality, and the consequences of artificial intelligence.