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Doesn't Trust Those Guys

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This trope is about Those Guys, and how you can Never Trust One of Them. Who are "they"? Those Guys. You know. Them!

This trope usually appears when a character has had a past problem with a member of a specific ethnicity/religion/gender/species/blood type or what-have-you. Ever since that time in the past, the character has known that anyone else belonging to his particular Target Group of Rage is not to be trusted. Call them crazy, they're just prepared. "You can Never Trust a type AB-positive!" the character will exclaim at every opportunity.


Alternatively, the character may just be a bigot. Perhaps all members of his particular blood type have been told from infancy that AB-positives are born evil, and he's just expressing what his society has told him is true. Or maybe there's no particular reason given for the bigotry.

Regardless of how the character came by his negative opinion of the despised group, this trope almost always leads to An Aesop about how all members of a group are individuals and should be treated as such and not be negatively stereotyped just because the last AB-positive you met killed your entire family and ate your dog. Not all AB-positives are evil! Thus, stating "Never Trust a (whatever)!" is just Tempting Fate.

A slightly modified version of the trigger statement might be expressed as "Only they are ever Like That" — as in "Only a Sith deals in absolutes." No one else ever does. Ever. Period. You heard me. Don't argue.


Obviously this is subverted if it turns out that, whoops, yes, all AB-positives are in fact evil and not to be trusted. It's In the Blood, as it were. Normally only done in cases of Fantastic Racism, although certain authors actually try to make Real Life groups fit this mold. Never trust an author like that.

This would be Unfortunate Implications, but the unfortunateness is not implied, it's stated outright.

Compare Irrational Hatred. Not to be confused with Don't Trust the B---- in Apartment 23.



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     Anime & Manga  


  • Calvin and Hobbes: Never never never never never trust a tiger.
  • A Peanuts poster featured Snoopy looking battered, with the caption: "Never trust a smiling cat!"


  • In Hunting Series it's revealed that despite the Agents letting the hunters live in the Matrix, the hunters never really trust the Agents because of the normal rebels getting killed on a regular basis.
    • Smith is a subverted example as he's the only Agent that Sam, Jess and Dean along with Bobby, John and Neo trust. The reason - he's become an ex- Agent.
      • In part four - Ghostry Hunting Agent Moore appears and apparently wants to help them, they still don't trust him.

     Films — Animation  

  • Frozen II: King Runeard doesn't trust the Northuldra, since they practice magic.
  • Hoodwinked!: "Never trust a bunny" is used by the Wolf as an Ironic Echo. When he first says it, he and Twitchy have just made the mistake of trusting Boingo for directions to Granny Puckett's house, which has led them into a bat-infested cave. Twitchy nods in approval. However, it becomes more powerful later when, after Flippers makes The Reveal about who the culprit is, the Wolf says, "I knew it! Never trust a bunny!"
  • Zootopia: deals with the social themes of prejudice, profiling, and stereotyping. In this world, foxes as a species have the unfortunate social stigma of being considered sly, shifty and untrustworthy.

     Films — Live-Action  

  • Never trust atoms. They make up everything.
  • An inversion: Always trust people who like big butts. They cannot lie.


  • Sherlock Holmes, legendary misogynist: "Women are never to be entirely trusted — not the best of them."
  • The 39 Clues: "Never trust a Cahill."
  • Harry Potter: "Never trust anything that can think for itself if you can't see where it keeps its brain."
  • The Princess Bride: "I could give you my word as a Spaniard." "No good. I've known too many Spaniards."
  • Redwall: Marlfox, "Never trust a vixen, never trust a vixen!" Variation, in that it's actually a member of the group in question saying this (during a dream sequence, but nevertheless). Mossflower's foxes are proud of being untrustworthy.
  • Discworld:
    • The D'regs in Jingo also pride themselves on being untrustworthy:
    Ahmed: He is being looked after by an old lady whom I trust.
    Vimes: Your mother?
    Ahmed: Ye gods, no! My mother is a D'reg! She'd be terribly offended if I trusted her. She'd say she hadn't brought me up right.
    • Jingo also features a brief monologue from Commander Vimes about how quick people are to blame Them for the troubles of the world, rather than admit that the fault might be with Us.
    • Mort has "Never trust a Grand Vizier." (Though it's a bit different from other examples of this trope, as that's actually pretty sensible advice.)
  • There's quite a lot of this going on in the Dark Life series: The Topsiders don't trust the Pioneers, the Pioneers don't trust the Surfs, The Surfs don't trust the Pioneers who don't trust the Topsiders...and nobody trusts the Outlaws.
  • In Warrior Cats, the Clans often say this about each other.
  • In I, Claudius, Herod Agrippa repeatedly advises Claudius to never trust anybody, and he's absolutely right. Claudius once writes him a letter saying that he has taken Herod's advice and trusts no one — with the exception of several people whose names he lists, Herod among them. All of them, Herod included, prove to be untrustworthy.
  • "The Railway Series": "Never trust domeless engines; they're not respectable."
  • In The 13 ½ Lives of Captain Bluebear, it's repeatedly said you should "Never trust a tunnel troll!" Only one tunnel troll features in the story, though, so it's not certain if they're all untrustworthy (though the lexicon says they are).
  • A Song of Ice and Fire. Catelyn Stark warns her son never to trust a Greyjoy. Robb Stark doesn't listen and sends Theon Greyjoy to negotiate an alliance with his father Balon. Robb forgot that the reason he grew up with Theon and regards him as his best friend is because Theon is a hostage for his father's good behaviour. With his son delivered back to him on a plate, there's nothing to stop Balon Greyjoy from turning on the Starks.
  • In Down and Out in Paris and London, George Orwell quotes a proverb along these lines: "Trust a snake before a Jew and a Jew before a Greek, but don't trust an Armenian." Yep, Values Dissonance ahoy.

     Live-Action TV  

  • Star Trek: "Never trust a Klingon."
    • This was discarded after the events of Star Trek VI and killed for good by TNG.
    • Also Ferengi Rule of Acquistion #47: "Never trust a man wearing a better suit than your own."
      • It may seem odd for the Ferengi to advise distrust of the wealthy, but it may be prudent if you interpret the other guy's wealth as proof that he's better at wheeling and dealing than you are.
    • Similarly, the Romulan proverb: "Never turn your back on a Breen."
    • According to most Bajorans, you should never trust a Cardassian. While not all Cardassians are evil, they did take over Bajor, kill a large percentage of the population, turn another large chunk into slaves, and generally act like Space Nazis for 50 years, so you can see how they got the idea. Not to mention the fact that Cardassian politics seem to practically run on Chronic Backstabbing Disorder, to the point where Garak was rather harshly critical of Julius Caesar because he thought the plot relied on the titular character being implausibly naive.
  • In Doctor Who, "The Green Death", The Doctor tells a joke that ends with the line "Never Trust A Venusian Shanghorn." It's the only part of the joke we get to hear.
    • Cassandra in the Doctor Who episode "New Earth", "Never trust a nun, never trust a nurse and never trust a cat." By the way, we're dealing with people who are all three at once. Nun nurse cat-people. Although in that case they really shouldn't have been trusted...
    • The Cybermen on the Master, in "The Five Doctors": "He is an alien. Aliens are not to be trusted." The Cyberleader then disagrees: "It is not necessary to trust him."
    • On Gallifrey they have a saying: "Never turn your back on a Prydonian." The Doctor, the Master, and Romana all belong to said caste. If you think The Last of These Is Not Like the Others, she used the excuse that her predecessor drank alcohol as grounds to depose her and assume the presidency. She also bites.
  • I, Claudius has Herod Agrippa give this advice to the title character:
    Herod: Well, just one more piece, then I'm done. Trust no one, my friend, no one. Not your most grateful freedman. Not your most intimate friend. Not your dearest child. Not the wife of your bosom. Trust no one.
    Claudius: No one? Not even you?
  • Inverted in one episode of Father of the Pride, where the Moral of the Story is that just because somebody's from a poor minority group doesn't mean they're incapable of crime.
  • Game of Thrones. King Robb's mother warns him to "never trust a Greyjoy!" He ignores this advice and dispatches his childhood friend Theon Greyjoy to make an alliance with his father. Unfortunately Theon was sent to Winterfell as a child to make sure the rebellious Greyjoys stayed in line. Not only has Robb returned their hostage, Theon also knows that Winterfell is weakly defended.
  • M*A*S*H: A couple of times, Sherman T. Potter says, "Colonels, can't trust any of them," despite the fact that he himself is a colonel. Justified in that unlike most colonels seen in the series, Potter is not bucking to become a general.


  • 30h!3's 'Don't Trust Me.' "Don't trust a ho, never trust a ho, won't trust a ho, WON'T TRUST ME."
  • From Space Girl
    My mama told me I should never venture into space
    But I did, I did, I did.
    She said no Terran girl could trust the Martian race
    But I did, I did, I did.
  • Tom Waits's song "Telephone Call From Istanbul" (on his album Franks Wild Years) features the line "never trust a man in a blue trenchcoat" amid a slew of other Word Salad Lyrics.


  • "Put not your trust in princes, in the children of men, in whom there is no salvation." — Psalm 146

     New Media  

  • This very wiki has Never Trust a Trailer, though there's unlikely to be any Aesop against our anti-trailer bias anytime soon.

     Puppet Shows  

     Tabletop Games  

  • Shadowrun has "never trust an elf" and "never deal with a dragon" as two of its most oft-quoted pieces of street wisdom.

     Video Games  

     Web Original  

  • Weiss Schnee of RWBY holds the opinion that all Faunus are treacherous criminals and terrorists, stemming from her family's conflicts with the White Fang, a Faunus terrorist group. She's none too pleased when it turns out her teammate Blake Belladonna is not only a Faunus but a former White Fang member too (though, of course, Blake is a very moral person... emphasis on former White Fang member).
  • Sarge from Red vs. Blue HATES the blues. He always takes the opportunity to remind his team to never trust a dirty blue. Church later comes to subvert this in a speech explaining why you should and should not hate someone.
    Church You shouldn't hate someone for being red or blue. You should hate someone when they are an asshole.

     Western Animation  

  • Self-hating Black man Uncle Ruckus (no relation) seemingly creates a full song on the spot invoking this trope upon meeting the Freeman family, in the first episode of The Boondocks. The title? "Don't Trust Them New Niggas Over There".
  • South Park: Never trust something that bleeds for four days but doesn't die.
    • Also in South Park, Cartman once did a school project on how Gingers are evil. The other kids tried to teach him an Aesop by sneaking into his room at night and making him look like a Ginger. Cartman immediately set about organising the Gingers into an Evil Army.
  • This exchange between OJ Simpson and... er, Roger Rabbit in Robot Chicken:
    Roger Rabbit: I knew I couldn't trust your kind!
    OJ Simpson: What the *bleep* is that supposed to mean?

     Real Life  

Alternative Title(s): Never Trust A Trope, Doesnt Trust That Sort, Never Trust Those Guys, Never Trust One Of Them


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