->'''Chris''': I realized while I was watching this today that Otis is basically the [[TheSilverAgeOfComicBooks Silver Age]] ComicBook/HarleyQuinn. And you donít like her, either.
->'''David''': I at least understand why the Joker would keep a stupid sycophant around.
-->--David Uzumeri and Chris Sims [[http://comicsalliance.com/superman-ii-review/ on]] ''Film/SupermanII''

Number Two (''slang noun''):
# The right-hand man, TheLancer[=/=]TheDragon, the [[NumberTwo second-in-command]].
# [[BreadEggsMilkSquick Poo]].

Number Two For Brains combines both meanings: the first applies to the position, the second to the skull's contents.

In other words, this is when the one who has authority over the others, gets orders from and reports ''directly'' to the boss, and has to keep everything running smoothly is a ''moron''.

Usually PlayedForLaughs and a sure sign that the guy in charge is truly SurroundedByIdiots. Compare BrainsAndBrawn, where the (possibly) stupid sidekick doesn't hold a position of authority. See also TheDragon, TheLancer, NumberTwo, TheIgor, and PointyHairedBoss. May be TheStarscream, but is virtually ''never'' DragonInChief -- unless his boss is even more of a dingbat. Very often falls under DumbMuscle. Contrast HypercompetentSidekick, which often diametrically inverts this trope by being paired up with an inept boss instead.

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!Examples
[[AC:Anime and Manga]]
* ''Manga/OnePiece'' had [[MultiArmedAndDangerous Hatchan]] to [[ThreateningShark Arlong]] who interestingly, gained some IQ points after his HeelFaceTurn.

[[AC:Film]]
* Dark Helmet from ''Film/{{Spaceballs}}'' is none too bright. He is also really short.
** Dark Helmet's own Dragon, Colonel Sandurz, is arguably an inversion of this trope, as he seems to often be [[SurroundedByIdiots the only one with half a brain in the whole Spaceball fleet]].
** Ironically, Helmet is still smarter than [[PointyHairedBoss his own boss, the President]].
* Kronk in ''Disney/TheEmperorsNewGroove''. One of the most lovably stupid lackeys of all time.
* Otis in ''Film/{{Superman}}''.
* Hedley Lamarr's flunky, Lyle, in ''Film/BlazingSaddles''.
* Wendell in ''Film/TrickyPeople''

[[AC:Literature]]
* Sergeant Colon in ''Literature/{{Discworld}}'', in [[Discworld/GuardsGuards Guards! Guards!]]. Maybe not actively stupid, but certainly not bright and on top of things. He makes a great on-the-streets copper on account of his experience and gut instinct, but is a disaster as Captain in ''Discworld/TheFifthElephant''.

[[AC:Live Action TV]]
* In ''{{Weeds}}'', U-Turn spent a great deal of time chiding his friendly but incompetent underling Marvin, eventually [[spoiler:pushing him over the edge.]]

[[AC:Radio]]
* Moriarty in ''TheGoonShow'' is the dumber member of the (usually) villainous duo, with Grytpype-Thynne as the brains.

[[AC:Video Games]]
* ''VideoGame/Uncharted2AmongThieves'' gives us [[spoiler:Harry Flynn]], who pulls a FaceHeelTurn early on, and demonstrates an outstanding lack of common sense more or less continuously, as well as deduction and decryption chops that would not shame a watermelon (although it's a bit unfair when the competition is [[AdventurerArchaeologist Nate Drake]]). Sadly for him, the BigBad is also a BadBoss.
* ''VideoGame/{{Tropico}}'' gives us Penultimo, your second-in-command who is utterly loyal but not too bright.

[[AC:Western Animation]]
* In ''WesternAnimation/BikerMiceFromMars'', given the limited budget available to him from the [[BiggerBad council of Plutark]], Greasepit was probably hired by [[BigBad Limburger]] primarily because he was cheap. It's sure as heck not because of any competence on Greasepit's part. A flashback shows that Greasepit got the job because he had a good agent or at least that was Karbunkle's excuse for not getting anybody better.
* ''WesternAnimation/BeastWars'': Scorponok fits this trope to a T. He was really kind of an idiot; really the only things he had to his name were his [[UndyingLoyalty loyalty]] and some surprising talents with inventing (though when his inventions went wrong, they went [[GoneHorriblyWrong wrong]]). To be fair, his loyalty certainly was a commodity what with the likes of [[TheStarscream Terrorsaur]] and [[TheMole Tarantulas]] on board.
* Since his selection is limited, The Brain from ''WesternAnimation/PinkyAndTheBrain'' has to rely on Pinky a lot in his schemes. This is frequently their undoing -- ''almost'' as frequently as [[HoistByHisOwnPetard Brain's own overconfidence]].
* ''WesternAnimation/SouthPark'' features Mimsy, sidekick to Nathan. Occasionally subverts it by being a little more sensible every now and then.
* Larry, Rippen's loyal but not evil ally in "PennZeroPartTimeHero"
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