Pizzagate is another direct progenitor of it, along with the Satanic Panics of the 80s.
And its original story claims there’s somebody called Q because he’s got a Q-level security clearance that gives him access into the Evil Workings of the Deep State. But a Q clearance is a Nuclear Weapons design clearance; it might let somebody know how our our latest bombs work, but it wouldn’t give them need to know or even the correct access levels to NSA, or CIA, or FBI, or State Dept stuff, or to anything the National Security Council does except maybe some nuclear war planning, and certainly wouldn’t give them access into Hollywood’s top-secret child-blood-sacrifice contracts with the Masonic Illuminati or the Queen of England or Epstein’s love affairs with Donald Trump.