Hypnosis Proof Dogs
For whatever reason hypnosis and mind control doesn't seem to work on quadrupedal companions.
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(permanent link) added: 2012-07-29 15:07:49 sponsor: Euan2000 (last reply: 2013-12-11 12:40:46)

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The Big Bad has activated his Mind Control device, bringing the whole of Trope Town under his control. No tinfoil hats or even Heroic Willpower can save you now...

But your faithful companion Tropey the Wonder Dog can.

For whatever reason whenever mass hypnosis is involved it only seems to affect humans, not animals. It can be down to it only working on the brainwave frequencies of humans, that the dog's Super Senses can render them immune or simply that they're too thick to be hypnotized.

Usually used as a plot device to incapacitate the human members of the cast so as to have A Day In The Lime Light for the Team Pet. Expect this trope to appear in works with Intellectual Animals living alongside humans. This also applies to illusions or in extreme cases Reality Warping.

See Too Dumb to Fool where this trope may apply to less intelligent but otherwise sentient characters.

Related to Evil-Detecting Dog.


Appears in

Anime & Manga
  • In Gintama, one arc features Kintoki, the robot version of the protagonist Gintoki, implanting in most of the cast Fake Memories that he has been the protagonist. Canis Major Sadaharu and Robot Girl Tama are the few ones immune to his hypnosis wave.
  • Invoked in Cowboy Bebop when the Bebop crew plug their corgi Ein into a cult's website which would hypnotise any human trying to search it. Unbeknownst to them, Ein is actually a hyperintelligent "data dog", and manages to hack the site almost instantly to furnish the cult leader's location.
  • In the Sailor Moon anime, when Chibiusa first appears she tries to hypnotize Usagi's entire family. At first this even affects Luna (who is a cat, albeit sentient), but she quickly breaks out of the trance and then bites Usagi to snap her out of it as well.
  • Inverted in Pokémon in a later episode where Team Rocket used a Drowzee's hypnosis specifically to brainwash Pokemon but not their trainers.

Comic Books
  • At the end of the Tintin story Flight 714 to Sydney the aliens wipe the minds of everyone of the entire incident. Snowy remembers the whole thing but it's unclear whether this trope is in effect or if they saw no need to do so as he can't tell anyone.
  • In a Mortadelo y Filemón comic, Mortadelo tries to invoke this trope by sending a dog after a hypnotizer thief to capture him. Unfortunately, it's subverted when the dog is hypnotized anyway, as the thief Speaks Fluent Animal.

Literature
  • In one of the Land of Oz books a baddie puts up an illusion of a wall of flame. Everyone else is stopped but Toto just walks right through it because he can't see it, or sees that it isn't real, or something.
  • In Harry Potter, Sirius Black turns into a dog to escape Azkaban because Dementors don't affect dogs as much as humans.
  • In Perdido Street Station, Sincerity the badger doesn't seem to be affected by the slake-moth's hypnotic wings. Justified because the moths feed exclusively on sentient victims, so would never need to hypnotize animals.

Live-Action TV

Tabletop Games
  • In some editions of the Champions role-playing game, this is explicitly a part of mind-affecting powers—in order to affect animals, you have to buy it with extra points (or sacrifice the Human mind category.)
  • Dungeons & Dragons:
    • Charm or Hold spells that only work on humanoids are lower level than those which affect other creature-types.
    • 1st Edition psionics. The Hypnosis power doesn't work on creatures with an Intelligence of 7 or less, which includes all normal animals such as dogs.
    • Judge Guild supplement Masters of Mind. The Hypnosis psionic power doesn't work on animals (such as dogs).

Video Games
  • In Dragon Age: Origins, a powerful demon tries to imprison you and your current party in a Lotus-Eater Machine. After you break free, you can enter your companions' dreams to free them. Most of them (except Morrigan) fall for the illusion but your Dog is simply put to sleep and re-joins you as soon as you approach him.
  • Command and Conquer: Red Alert 2: The dogs (and the terror drones which are mechanical dogs) are immune to the Psychic Control of the Psychic Commandos (Yuri).
  • Zigzaged in Mother 3. Boney is the only member of the party not to go on the Mushroom Samba but that's because he refused to eat the mushrooms rather than any immunity. Also, when the hallucination of the protagonist's assumed-dead brother joins the party, Boney indicates its true nature before it attacks.

Web Comics
  • The Last Days of Foxhound reveals fairly early on that Sniper Wolf's pet wolf Berthold is a telepath. Then there's one instance when Psycho Mantis and Bert both attempt to brainwash Vulcan Raven in order to fork over a stealth device. Eventually, Mantis' mask gets taken off and as soon as he gets it back on, he realizes that Berthold was a telepath the entire time, perhaps as strong as him.

Western Animation
  • In the 90's British Dennis the Menace cartoon (Dennis and Gnasher stateside) a mad scientist who was using hypnotizing music to trick the town into buying his useless inventions like toothless combs for bald people. He found out it didn't work on dogs by having a 'no dogs allowed' policy in the store.
  • Scooby-Doo! Mystery Incorporated:
    • The episode with Aphrodite had all the humans falling under the spell of flowers at least, those who could smell it, which left Scooby Doo and Professor Pericles to save the town.
    • Also, the episode with Rude Boy and the ska band has Shaggy and Scooby immune from the music from forcing everyone else to dance.
  • In the Aladdin TV series, the sand witch rewrote history so that she and Jasmine swapped places. All the humans were affected, including Genie, but Iago, Apu, and Rajah were unaffected, overlapping with Ripple-Effect-Proof Memory.
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