Who is the antagonist on The X-Files?
There are many antagonists on The X-Files, but the most long-running individual antagonist is The Cigarette Smoking Man (CSM) also known as C.G.B. Spender. He was primarily responsible for orchestrating conspiracies. He was a member of "The Syndicate," which was a mysterious shadow government group that covered up the existence of extraterrestrial life.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Who is the antagonist on The X-Files?
### Input: 
### Response: There are many antagonists on The X-Files, but the most long-running individual antagonist is The Cigarette Smoking Man (CSM) also known as C.G.B. Spender. He was primarily responsible for orchestrating conspiracies. He was a member of "The Syndicate," which was a mysterious shadow government group that covered up the existence of extraterrestrial life.