When something dramatically outside of normality happens, and the Muggles
are able to see past the Masquerade
, a team (or at the least, a special go-to guy) is often dispatched to erase and/or alter the memories of any witnesses to cover up the abnormality of their mundane lives and keep the existence of the weird stuff a secret (often by using some sort of Laser-Guided Amnesia
Note: This is not
about the amnesia, or about what causes it
. It's about WHO
causes it. (No, not that WHO
, either. Or is it...
Compare The Men in Black
, Cleanup Crew
. Contrast the more brutal Killed to Uphold the Masquerade
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- In a lesser form, in The World God Only Knows the demons of new hell "restart"(later, they simply changed them) the memories of the girls who's holes got closed.
- Darker Than Black: Gemini of The Meteor features a faction of the military that serves as this for people whom get into contact with the super-powered Contractors. Witnesses that prove too difficult to catch are simply killed.
- All of the shinigami in Bleach carry around a neuralizer-style device to replace the memories of anyone who gets a glimpse of their activities. They can't control what memories replace the real ones.
- The Temporal Corps of Simon Hawkes' Time Wars do this to any locals who get involved with them, though they made an exception for Jules Verne. Not wanting to interfere with the mysterious processes of creativity and stop him writing the books he was supposed to, he kept his memories of time travellers and submarines and such.
- In the Harry Potter stories, if a wizard lost control and accidentally used his powers (or some other event that would endanger the safety of the wizarding world), the Ministry of Magic would dispatch a special group called Obliviators to see to it that people's memories of the event were altered.
- In the Artemis Fowl series, the fairies can wipe the memories of any humans who learn about them, as they do to Artemis and his friends at the end of the third book (they all get better). There are even two different techniques they use. One is a block wipe, which just takes out a huge chunk of memory, but the longer the interval of time taken out, the greater chance there is for permanent mental damage. The other is a fine-tuned wipe which removes specific events, people, etc., but takes a lot longer than a block wipe.
- In Red Handed, the Alien Investigation and Removal agency does this to recruits who don't make the cut.
- In Memento Nora by Angie Smibert, there is a memory wiping company to erase memories of the frequent terrorist attacks. The book revolves around the main characters trying to remember those memories.
- Seraphina: The Censors are this for saarantrai.
Live Action TV
- Occasionally on Star Trek: The Next Generation when the crew would accidentally expose themselves (so to speak) to races that weren't ready for interstellar communication, the doctors would somehow do a little surgery to make those memories go away - basically an Alien Abduction. Dr. Pulaski was more prone to doing it than Dr. Crusher.
- The Cleaners in Charmed. In order to keep magic a secret from humanity they remove the memories of anyone who sees a supernatural event. They're capable of Retconning reality to the extent of undoing a person's birth, and yet only appeared in one episode relatively late in the show. So where were they all those other times the masquerade was threatened?
- The implication is that they're a new institution to deal with the many, many breaches caused by the Charmed ones.
- UFO. The SHADO organization captures people who see real UFOs and has its medical department use a drug to erase their recent memories, thus preventing the public from learning about UFO attacks.
- The Troop has a little alien whose song causes short-term memory loss so they can cover breaches of The Masquerade. However, ordinary ear plugs can protect one from the effect.
- In Heroes, The Haitian is this.
- One episode of Kolchak: The Night Stalker had Kolchak narrating the events into a tape recorder, because the government had done this to him, and it hadn't quite taken, or rather not all at once. His memory of the incident was fading rapidly, and he had to make the recording while he still remembered most of the details.
- The Memory Police in Ultraman Nexus, who erased the memories of people who saw the Space Beast and Ultraman Nexus.
- Hunter: The Vigil: As Task Force VALKYRIE are effectively The Men in Black, there's a good number of members dedicating to dosing witnesses of supernatural events with "Munin Serum," a chemical cocktail that clouds memories.
- A typically dark example from Warhammer 40,000. Since admitting the existence of an elite army of demon hunters would be admitting that there are such things as demons, the Imperium treats the Grey Knights as a state secret enforced by specially-trained psykers. Other space marines who fight alongside them go through a lengthy memory-scrubbing afterwards, while Imperial Guardsmen who distinguish themselves are subjected to a hasty process that is both painful and often fatal. Everyone else is just executed.
- In Sam & Max season 2, Agent Superball will emphatically deny time travel, even though the machine is parked right in the room. Any continued discussion of it will provoke him to employ his hypnotic, memory wiping powers. This is used for a puzzle later.
- In the first "Knights of the Old Republic", the Player Character's memory is wiped out before the start of the game and replaced with another.
- In Ib, after Garry finds out Mary is really a painting, the dolls capture him and force him to play a game with them. If he loses, they make him forget what he learned about Mary.
- Professor X often plays this role in early versions of the X-Men such as X-Men: Evolution, wiping memories when The Masquerade has been irrevocably blown. During an episode of Evolution where the Brotherhood show off their powers in the middle of a school football game, he dangerously overexerts his powers by modifying the memory of every spectator. Naturally, the one person whose mind he doesn't completely wipe is Principal Kelly...
- Played with in The Movie of Phineas and Ferb. The OWCA doesn't have any memory-erasing tools, so they just steal the villain's amnesia-inator.