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OK, they're not exactly fictional, but...

!!Adam Savage
->''"Am I missing an eyebrow?"''
Tropes associated with Adam:
* AwesomenessByAnalysis: In a few episodes, Adam is given the task of figuring out the measurements of certain props or rigs just by examining video footage. According to Jamie, he's well-known in the industry for his ability to do this.
%%* BadassBeard: Sports a red goatee.
%%* BadassDriver: He's a great driver, as seen in the various car-related myths they have tested.
* BriefAccentImitation: A running gag during the exposition segments is for him to impersonate someone or something (like a walrus).
%%* ButtMonkey: He sometimes get poked at by Jamie. He and Tory also tend to get hurt when testing myths.
* CantHoldHisLiquor: During a first-season test of (supposed) ways to beat a breathalyzer test, Adam is getting pretty loopy ... and when tested, blows a 0.03 [=BAC=] (For non-US tropers, 0.08 is the minimum blood alcohol level for a [[DrunkDriver Driving Under The Influence]] charge in most U.S. states, including California). Might be due to the fact that Adam is kind of loopy even when he's stone-cold sober.
* CharacterDevelopment: Yes, it even applies to people who aren't playing characters. In the show's formative days, Adam was more lively than Jamie, yes, but certainly ''far'' more reserved than you see him in future episodes. Apparently as he grew hair, his personality became more vibrant (he started the show with a very short haircut and almost no beard).
** Several other cases throughout the series. For example, in the first episode of season two, [[ATeamFiring Adam had trouble hitting his target with the gun provided]] (justified as he was a novice shooter at the time). This gave him an early reputation as a poor shot, [[NeverLiveItDown which stuck with him]] until the "Shooting the Scope" myth showed his aim had improved significantly. His shooting skills have since improved to the point that he now seems to be better with a pistol than Jamie.
* CrouchingMoronHiddenBadass: Fails onscreen more often than he succeeds, and Jamie usually designs better rigs, but Adam often replicates props from movies using only stills from the film or even occasionally gets the actual props themselves.
** Also, according to Jamie in one of the web videos, Adam is widely known in the special effects business for being able to make good models and machines extremely quickly.
* DudeNotFunny: An InUniverse example. Adam enjoys a prank as much as the next person, and probably dishes out more than anyone else on the show by far. But when the build team shocked him with a ''real'' electrical current during the "Bagdad Battery" myth, he did '''NOT''' take it well.
** It's worth noting the Build Team were directed to do this by one of the show's producers. That producer is no longer with the show. Make of it what you will.
* EyebrowsBurnedOff: An accident during a first-season episode provided the page quote.
%%* FieryRedhead: He has alot of energy for being in his forties.
* ForgetsToEat: According to Jamie, Adam is known to forget to eat, which makes him cranky due to low blood sugar. Which means that Jamie's suggestion that Adam "go have a cookie" during a brief meltdown in the ping-pong ball flotation myth was actually not a joke. Apparently this happens quite a bit off screen as well.
* ForScience: "I ate a radio for science" is just one example of what he will do in the name of science.
* FourPhilosophyEnsemble: The Optimist
* FourTemperamentEnsemble: VERY Sanguine!
* FunPersonified: He's as close to a RealLife example as you're likely to find.
* FunTShirt: Including several with his own quotes.
%%* GenreSavvy
* GoodWithNumbers: He's often shown onscreen doing mental calculations, and he rarely gets them wrong.
* GreenAroundTheGills: His WeaksauceWeakness. Gets seasick during pretty much any myth where he and Jamie take to the water. When the show tested seasickness cures, the NASA-inspired motion sickness chair often triggered a nauseous response within seconds. He even got motion sickness in a few not-so-obvious scenarios (swinging the bone cage, bungee-jump apple bobbing).
* HonestJohnsDealership: Adam will occasionally structure his "look what we just built!" into infomercial format. He goes full-Honest John about the thirty-second mark of [[http://www.discovery.com/tv-shows/mythbusters/videos/car-crash-cliches-outtakes.htm this set of outtakes]], when he tries selling the viewers cars that he and Jamie just rammed with a reinforced dumptruck.
* TheHyena: Laughs a lot, and it's notable whenever he ''doesn't'' find things funny because that usually means he's dead serious.
* IconicOutfit: His black t-shirt and jeans.
* IdenticalStranger: Adam bears a scarier resemblance to Music/DannyElfman. He's also been compared to a "[[SirSwearsALot foul-mouthed]] [[VideoGame/HalfLife Gordon Freeman]]".
** Comic book artist and animator Creator/BruceTimm looks like a younger, clean-shaven Adam.
%%* {{Keet}}: Especially compared to Jamie.
* TheKlutz: "He gives good pain", says the producers.
* LargeHam: Tory once said that he wasn't surprised Adam would end up in a show like this since he always acted like he was on camera anyway.
%%* MadBomber: He loves blowing stuff up.
* ManChild: His optimism often makes him seem like he's acting like a teenager.
* MediumAwareness: He's the member of the team most likely to "[[InteractiveNarrator interact]]" with TheNarrator, and to predict how the show will be cut together.
* MotorMouth: Used to the advantage of the show's production as he's often the one filling us in on the details of what he and Jamie are testing, combined with his quirky personality for flavor.
%%* NerdGlasses: He rarely takes them off.
* NiceHat: The fedora he frequently wears.
** Also, if any test result is remotely compatible with his head, he will wear it.
* OneOfTheKids: Comports himself with the manic glee of a fourteen year-old with bullfrogs and an unlimited supply of firecrackers.
* {{Pyromaniac}}: He burned off his eyebrows in the first season, and still hasn't learned his lesson before, or since, but that's part of his charm.
* SnarkBall: He's usually goofy and energetic, but will sometimes grab this. Especially when Jamie is the target of the snark.
--> '''Adam''': Want to try [[[ItMakesSenseInContext blowing up a trombone]]] again?
--> '''Jamie''': Sure, why not.
--> '''Adam''': [[SarcasmMode ...you know, it's when you get really excited that I get nervous. If you could just calm down a bit...]]
* TeethClenchedTeamwork: He and Jamie have made it clear that they have a good deal of respect for each other but on an interpersonal level they annoy each other to no end and do not hang out after work. Adam is fond of noting that they've known each other profesionally for over twenty years, but have never had dinner together. Occasionally, this makes it past the editing and we see Adam annoyed at Jamie's fussiness and methodical approach. With that said, their mutual joy at what they are doing is often apparent as well, and if Jamie is upset or frightened (such as when they test myths involving extreme heights, which Jamie hates), he does show a fair amount of concern for his co-host.

!!Jamie Hyneman
->''[[ItMakesSenseInContext "Quack, damn you."]]''
Tropes associated with Jamie:
%%* BadassBookworm
%%* BadassDriver: As much as, if not more than Adam.
* BadassMustache: It has been compared to that of a walrus.
%%* BaldOfAwesome: It is frequently hidden under his beret.
* BulletproofFashionPlate: Multiple members of the cast and crew have expressed bafflement at how he always manages to keep his white shirt spotless. Turns out he actually was using (and continues to use) a special clothing treatment that basically makes any fabric it's applied to impervious to most liquids.
* TheComicallySerious: The show gets a lot of mileage juxtaposing his stoic demeanor and Adam's antics.
%%* CoolShades: Is often seen in them when outside his workshop.
* CrazyPrepared: He has a habit of not throwing things away if they could be useful; as a result, a great deal of useful stuff can be found in the vast and iconic "wall of boxes" at M5 (over 700 at last count). He also has this approach to life experiences; "better save up those skills; you never know when they'll come in handy"--as they often do on this show.
* DeadpanSnarker: His stoic exterior conceals a wicked sense of humor. Discovery has exploited this in two series of clips entitled "Jamie's Joke of the Week" and "AHA (Ask the Hyneman Anything)" where he tells jokes and dispenses advice.
* DoesntLikeGuns: He's said on Twitter that while he admires the engineering of a gun's design and enjoys using them in myths, he's never actually owned one and is okay with that.
* ExpansionPackPast: Provides the page quote. Adam frequently provides details on Jamie's past to the point it's almost a MultipleChoicePast--apparently Jamie is descended from a line of "track-straighteners" dating back to the middle ages, worked for the mob, and may be an alien and/or over two thousand years old. Or UsefulNotes/TheodoreRoosevelt, to whom he bears a pretty uncanny resemblance. His real past, though not as funny, is genuinely awesome: he ran away from home at 14 and hitchhiked across the U.S., has a degree in Russian linguistics, and has been, in alphabetical order, an animal wrangler, a boat captain, a chef, a concrete inspector, a machinist, a pet shop owner, a scuba divemaster, and a wilderness survival instructor. And that's not even a complete list.
* FourPhilosophyEnsemble: The Cynic
* FourTemperamentEnsemble: Melancholic, complete opposite of the fellow buster he usually works with, Adam.
* GenderBlenderName: James Franklin Hyneman commonly goes by Jamie.
* HatesBeingTouched: Has no problems with handshakes or high-fives, but Jamie apparently doesn't like being hugged.
* HonoraryUncle: Considering Adam's description of the team as [[TrueCompanions "like family"]], it is fitting that Jamie has been occasionally referred to as "Uncle Jamie" -- twice by ''Adam'', of all people ("Ancient Death Ray", 2004 -- during the "What is Bulletproof?" segment, and again during "Tablecloth Chaos" in 2010) and also by Robert Lee, the narrator ("Viral Hour", 2008, during the Sawdust cannon section.).
* HumanAlien: "This crater is about the same size as the one left by Jamie when he first came to Earth." -- Adam Savage
* IconicOutfit: His button-down white shirt, dark long-sleeved undershirt, and khakis that never ''ever'' get mussed up or stained.
* IdenticalStranger: Jamie is starting to bear an increasingly striking resemblance to [[SonicTheHedgehog Dr. Robotnik]]. Others feel he looks more like Doobie Brothers / Steely Dan guitarist [[http://thelivingend.com/vBforum/showthread.php?p=152290 Jeff "Skunk" Baxter]], Swedish painter [[http://www.wholesalechinaoilpainting.com/upload1/file-admin/images/new4/Carl%20Larsson-757438.jpg Carl Larsson]] or, as noted on ThisVeryWiki, Creator/{{Friedrich|Nietzsche}} [[http://en.wikipedia.org/wiki/File:Nietzsche187a.jpg Nietzsche]].
* LimitedWardrobe[=/=]IconicOutfit: Rarely will you find Jamie ''not'' wearing his white shirt and beret. When he and Adam meet UsefulNotes/BarackObama Adam is in a nicely tailored suit and Jamie is in the same clothes he always wears.
** Lampshaded in the ''Franchise/StarWars'' special, where he first teased Adam about his tendency to dress up, then willingly donned a Luke Skywalker costume for the Death Star swing escape.
%%* MadBomber: [[MemeticMutation "Jamie want big boom!"]]
* MadeOfIron: During initial tests for the pain tolerance episode, Adam was showing his discomfort and Jamie, well, wasn't. Robert Lee commented that Jamie is so tough "he sometimes rusts".
%%* MadScientist
* MemeticBadass: If he isn't among the fanbase, he sure as hell is [[InUniverse among the cast and crew]], who regularly describe him as "abnormally strong". In the "Car Cling" myth, Adam even cites a number of the badass things that Jamie's done over the course of the show, such as climbing up the side of a building using only a rope, and bashing down a door with his shoulder. [[invoked]]
* MultipleChoicePast: Thanks to Adam's joking around.
%%* TheMunchausen
* NeatFreak: Perfectly encapsulated by the sign he put up in M5: "Clean Up or Die".
* NeverGetsDrunk: Plays with the trope. It's often difficult to notice when he's drunk compared to sober, and he seems to be immune to the {{beer goggles}} effect. However, as shown in the "Driving Blind" episode, he ''can'' get sufficiently drunk to be a road hazard, even by proxy...not to mention a bit goofy.
* NiceHat: His trademark beret. He realized that a shaved head looked better than a badly receding hairline but then realized that hair does things like protect the scalp from the sun and helps regulate body temperature so he started wearing hats. The beret stuck around because it works for him.
* NiceShoes: His red Converse sneakers.
* NotSoAboveItAll: Put him inside an outfit that fully covers him and obscures his face, such as the recurring bomb suit, and he becomes just as much of a goofball as Adam.
* NotSoStoic: Jamie has some issues with heights. Cue rope bridges and jumping from a 10m platform.
* OneOfTheKids: [[InVinoVeritas While drunk,]] comports himself with the sleepy goodwill of an exhausted, precocious toddler on a long car ride.
* RidiculouslyHumanRobots: One theory, proposed by Adam.
** PlayedForLaughs in a myth-intro skit. The myth was whether the Hollywood hitman stunt of shooting through a wall to kill the target would really work. After the guest star ''du jour'' "shot" Jamie, he slid down the wall short-circuiting and leaking [[AlienBlood blue liquid]].
* ScreamingWarrior: He does this while charging at Adam with a (fake) dagger when they test the "never bring a knife to a gunfight" myth.
* ShroudedInMyth: According to Adam.
-->'''Adam:''' It's been said that this crater is not unlike the one left by Jamie when he first came to Earth.
* TheStoic: Especially in earlier episodes, where Jamie calling out Adam and the producers on deliberately trying to provoke him was practically a RunningGag.
** He seems to play up his stoic image for a laugh in the men versus women episode. When the [=MythBusters=] are told to show various emotions for a test to see who can read emotions better. Jamie says the emotion... then keeps his face completely expressionless.
** NotSoStoic: Has gotten more prone to joking around and visibly enjoying himself during myth testing as the show has gone on.
*** This is perhaps a case of CharacterDevelopment as with Adam since it's been mentioned that early on in the show, he was not particularly comfortable on camera and took the job fairly seriously. With time and exposure, it's possible he's gotten comfortable with the idea that for a fairly lighthearted show, it allows for a fairly serious platform for science and education.
*** A more serious take on this trope appeared in the second duct tape episode, where they made a bridge using only duct tape. It was revealed then that Jamie is [[WhyDidItHaveToBeSnakes acrophobic]] (a fact that had been briefly mentioned in the Hammer Bridge Drop myth back in ''[[BrickJoke season one]]''), and his voice [[OhCrap increasingly betrays his fear]] as he continues to test the bridge, even as a) he's wearing a safety rig, and b) Adam already successfully crossed under the same circumstances. Becomes a heartwarming/awesome moment when he finally makes it and Adam announces, "Ladies and gentlemen, ''they are made of brass'', Mr. Jamie Hyneman."
%%* StoicSpectacles: He wears a pair of them, though he sometimes swaps them for CoolShades.
* StoutStrength: Visible during his occasional ShirtlessScene, such as while boring out the wooden cannon.
* TeethClenchedTeamwork: He and Adam have made it clear that they have a good deal of respect for each other but on an interpersonal level they annoy each other to no end and do not hang out after work. When this makes it past editing, we notice that Jamie is annoyed by Adam's showmanship, competitiveness and occasionally sloppy work. With that said, their mutual joy at what they are doing is often apparent as well, and whenever Adam has been in trouble, Jamie looks legitimately worried, even to the point of sounding almost panicked when Adam rolled a car over while testing the 'driving on two wheels' myth.
** When Adam became too motion-sick to continue a bungee-jumping myth, acrophobe Jamie agreed to do the rest of the jumps to spare his co-host.

!!Grant Imahara
->''"I love those two words - 'bomb robot.'"''
Tropes associated with Grant:
* TheAllSolvingHammer: Sometimes, his "build a robot" suggestion is just silly (or at least played for laughs).
* AsianAndNerdy: He plays this up for his own (and the audience's) amusement. The guy builds robots on ''any'' excuse and used pi as his "prisoner number" in the jailhouse rope episode. As if that wasn't bad enough, when they were testing a lie detector machine, it was revealed he had thought about building a female robot. In another episode, he was reduced to a stammering idiot when he met a high-tech [[CargoShip bomb disposal robot]]. This vibe is intensified when you realize his college degree is in electrical engineering.
* CatchPhrase: "This is [[WhyWeCantHaveNiceThings why we can never have anything nice]]."
* CrazyPrepared: Grant can build a robot for ''anything''.
* FascinatingEyebrow: A skilled practitioner.
* FourPhilosophyEnsemble: The Apathetic
* FourTemperamentEnsemble: Phlegmatic
* GreenAroundTheGills: Though not to anywhere near the extent of Adam - he lasts much longer in the motion sickness chair during the seasickness cure trials before eventually succumbing. (Hungover, though, [[NauseaFuel is completely another story]].)
* IdenticalStranger: Grant looks like he could easily be a close relative of Creator/JohnCho.
%%* MadBomber
%%* MadScientist
* {{Megane}}: He has had laser surgery since starting the show, but his personality fits.
* MundaneMadeAwesome: In one episode, Grant spent the entire episode tossing cardboard boxes out of cars and trucks. He somehow makes this look awesome.
%%* NerdsAreSexy
* OlderThanTheyLook: He's the same age as Tory ''is'' and looks as old as Tory ''acts''.
%%* PutOnABus
* {{Robosexual}}: His love for robots:
** He was once asked, under polygragh, if he ever considered making a "female robot". He has.
** The gang encounters a bomb-disposal robot. Grant is VERY impressed; where Kari and Tory jokingly tries to set them up. Grant, playing along, awkwardly tries to flirt with it.
* TheSmartGuy: He builds the robots and is the closest to a stereotypical nerd.
* SmartPeopleBuildRobots: He specializes in building robots for testing myths.
* {{Squee}}: Approaches squee-levels when working with robots.
** Also puppies.
* WhenAllYouHaveIsAHammer: Grant's solution to everything: build a robot.

!!Tory Belleci
->''"I see injuries in my future."''
Tropes associated with Tory:
* {{Adorkable}}
* TheBigGuy: Of the Build Team members (and possibly the entire [=MythBusters=] crew), because he does the most stunts.
%%* BoisterousBruiser
* BriefAccentImitation: Occasionally, Tory will affect an Italian accent. (He has Italian ancestry, but the accent is used purely for humor.)
* ButtMonkey: He suffers for our amusement.
* CloudCuckoolander: A lot of times, things TheTeam thinks are dangerous are lost on Tory.
* FourPhilosophyEnsemble: The Realist
* FourTemperamentEnsemble: Choleric
* GenderBlenderName: Though his full name is Salvatore Belleci.
* HiddenDepths: He's a competent golfer. When squaring off against Grant's golf ball firing robot, he does better than it.
* ImprobableAimingSkills: He ''split a lead musket ball on an axe'', on his first try at that particular distance.
* IronButtMonkey: He seemed fine after the bicycle accident, despite falling on his face and getting the bike on his back.
** Takes a lot more punishment than any other Mythbuster, usually for laughs (unlike Adam, who usually elicits a DudeNotFunny reaction). He is rarely seriously injured though.
** Apparently the insurance coverage for Kari and Grant would not allow them to perform certain myths, but Tory (who has the same coverage) is apparently allowed to do them. Tory, understandably, does not know if this is a good thing or a bad thing. Especially since it caused Kari and Grant to give him simultaneous evil smirks.
%%* TheKlutz
%%* MadBomber
%%* MadScientist
* MadeOfIron: His bike crash while jumping a little red wagon shows him clearly faceplanting and he shrugged it off with no ill effects.
* OlderThanTheyLook: He's in his early 40s but he still looks young. However, he is starting to go visibly gray.
%%* PutOnABus
* RainbowPimpGear: On those occasions when he wears a chain-mail shirt and a football helmet.
* SarcasmMode: Firmly in it when describing the Inverted Flat Spin stunt he's going to be doing for the Cold Feet myth.

!!Kari Byron
->''"Science gets more fun when I get a bigger gun!"''
Tropes associated with Kari:
%%* ActionGirl
* AscendedExtra: Her first appearance was being used as a butt mold subject.
* BeautyIsNeverTarnished: Averted in a long-unaired episode where they test if girls fart or not, through Adam inserting a microphone into a pair of panties. She is the one who partakes in the experiment and she lets out a ''huge, wet fart''. (This myth eventually aired on TV in a mailbag special.)
* BreakTheCutie: She's every bit as badass as her male co-stars, but she was not able to handle being subjected to Chinese water torture. After enduring it for nearly an hour, she [[{{Tearjerker}} broke down into tears]] and had to stop.
* [[CantHoldHisLiquor Can't Hold Her Liquor]]: Readily admits that she's "a cheap date".
* DistractedByTheSexy: When she wore a silicone-stuffed bra to test whether or not women with larger breasts received more tips, even Grant and Tory admitted they had a hard time keeping their eyes above her neckline.
* FieryRedhead: Doesn't take crap from Tory. '''Ever'''.
* FourPhilosophyEnsemble: The Optimist
* FourTemperamentEnsemble: Sanguine
%%* GenkiGirl: It shows when she gets excited.
* GirlishPigtails: One of Kari's three usual hairstyles, the others being clipped back and hanging loosely.
* GunNut: Even she was surprised by how well she took to guns, despite being a self-professed "vegetarian from California."
* TheGunslinger: On any occasion where they use guns. Kari is a skilled marksman and was responsible for taking out the engine block of the phonebook bulletproof van. And she [[CrowningMomentOfAwesome cut a tree in half with a Gatling Gun.]]
%%* MadBomber
%%* MadScientist
* MsFanservice: Sometimes, as she's prone to wearing tight-fitting tank-tops. Also, her first appearance on the show was dressing in spandex leggings to have her butt laser-scanned for computer modeling [[ItMakesSenseInContext (to test a myth about getting stuck on an airplane toilet)]]. In some specific episodes she is also seen in a "slave girl" outfit in the Film/{{Goldfinger}} body paint revisit, wearing a bikini when out on a boat in the Bahamas and the show used her FHM photos for one of the myths (Diet Coke and Mentos).
** There's also the episode "Laws of Attraction" where the producers intentionally exploited her sex appeal by strapping a stuffed DD-cup bra on her to test if she'd receive more tips, complete with a slow-motion shot of her jogging down the sidewalk.
* OlderThanTheyLook: Would you believe she's ''43''? She could easily pass for mid-20s.
* ParasolOfPrettiness: Under the Californian sun down at the bomb range, or in the parking lot of M7 (for certain tests), Kari has been known to carry one.
%%* PutOnABus
* RunningGag: A few of her early appearances, it seemed like Adam or Jamie were deliberately having her be around dead animals or meat for comedic effect, given that she's a pescetarian.
* TheSmurfettePrinciple: The only female regular in the Mythbusters, though early on she also worked alongside [[ThePeteBest Scottie Chapman and Christine Chamberlain]].
* StuffBlowingUp: She's more than once related seeing an impressive explosion to "having your first kiss."
* TankTopTomboy: She's a geeky WrenchWench and sometimes wears one of these because it's practical for her work.
* TerrifiedOfGerms: As revealed in "Fever Pitch". This quality enabled her to prove that it's possible to avoid contracting a cold or flu via indirect contact ''if'' you know what you're doing.
* WrenchWench
* WrittenInAbsence: Her pregnancy and ensuing maternity leave during the 2009 season.

!!Jessi Combs
Tropes associated with Jessi:
* ActionGirl: Pulled herself up from hanging off of a helicopter's skid and into its cockpit on the first try, and with far greater ease than either Tory or Grant.
* FourTemperamentEnsemble: Phlegmatic
%%* GenkiGirl
* GuestStarPartyMember: She was a substitute Mythbuster during Kari's pregnancy.
* SuspiciouslySimilarSubstitute: Jessi Combs is a thin blonde, has some tattoos, is proficient in welding and vehicle mechanics, and even copied Scottie's shipping-container-into-ramp trick that she did for the 2nd attempt at the JATO Rocket Car myth.
* TimTaylorTechnology: She rigged a nitro-boost system into a car standing in for a Lamborghini (proper dimensions at a lesser cost but not fast enough normally) in the myth of a car skipping across a lake.
%%* WrenchWench

!!Scottie Chapman
Tropes associated with Scottie:
%%* BraidsOfAction: Of the two braids version.
%%* ChuckCunninghamSyndrome: Mid episode during the rolling stones myth.
%%* CoolBigSis
%%* DumbBlonde: Averted
* EarlyBirdCameo: Inverted. She appeared a few episodes after her departure, because the rolling stones myth was recorded over several months, and thus was still rolling when she left.
* ExpansionPackPast: She worked as a clown and thus had some experience to use with the {{Balloonacy}} myth.
* FourTemperamentEnsemble: Phlegmatic
* IWasJustJoking: When Tory was goofing around on a bike while at the Alameda Naval Base she infamously said "Let's egg him on until he hurts himself" on camera.
* PutOnABus: It was suggested later that she got along great with the crew but had some issues with the producers.
%%* WrenchWench

!!Christine Chamberlain
Tropes associated with Christine:
* AscendedExtra: Ish. She got a little more focus in the second half of her tenure.
* ButtMonkey: In 3 episodes in a row:
** She got a scolding from Jamie for nearly wrecking his lathe.
** Had her face burned by a shattering jawbreaker (which also burned Adam's arm)
** Sliced open her hand with a box cutter.
* InsistentTerminology: Mythtern, not Mythbuster.
* PutOnABus: Was later described as having left "for love".
* WhatHappenedToTheMouse?: Her disappearance wasn't explained for a while.

Tropes associated with Buster:
%%* ButtMonkey
* CompanionCube: When he takes more serious damage than they planned, TheTeam tends to react as if a real person had been injured. Somewhat justified, as Buster is meant to look and react more or less the same as a real human, so when the team sees something bad happen to Buster, they're imagining what it would be like for a ''person'' to go through it.
* LegacyCharacter: The original dummy was retired long ago, but the Buster name lives on through other dummies.
* LukeIAmYourFather: In the Supersized Special, he claimed to be Adam's father.
* KilledOffForReal: In the Grand Finale, he was dressed as a superhero, attached to a rocket sled, and sent into a concrete wall at almost 800 mph, whereupon he promptly disappears in a small flash of light. The reunion show has Adam giving small glass cubes with the largest pieces to Grant, Tory, and Kari as keepsakes.
* MadeOfIron[=/=]MadeOfPlasticine: Buster has seen more punishment than any other crash test dummy ever will, and even though the Mythbusters have made him more durable to withstand the forces they put him through, he still ends up in bits more often than not.
%%* {{Mascot}}
%%* TheStoic
%%* TeamPet
* TheVoiceless: Except during the Supersized Special, when he got two lines (as submitted by fans).
* TheyKilledKennyAgain: Buster often "dies" at least once during a myth, and has had to be completely rebuilt a few times.
* WeCanRebuildHim: Often. Doing this was even the focus of one episode.

!!Robert Lee
Tropes associated with Robert:
* AddedAlliterativeAppeal: At DrinkingGame proportions.
* DeadpanSnarker: On occasion.
* InteractiveNarrator: Usually with Adam.
%%* LemonyNarrator:
%%* TheNarrator
%%* PungeonMaster
* RhymesOnADime: Though not as often as the [[PungeonMaster puns]] or the [[AddedAlliterativeAppeal alliteration]], this occasionally finds its way into his narration as well.
* TalksLikeASimile: Sometimes, but it's easily missed because he uses [[PungeonMaster more wordplay than a British crossword]].

!!Heather Joseph-Witham
Tropes associated with Heather:
* EarlyInstallmentWeirdness: Her presence explaining the myths and their social significance lends the show to feel much different from later episodes.
%%* MsExposition
* PutOnABus: As the show's focus shifted to the mechanics of testing the myths rather than the social significance, her presence was eventually phased out.

!!Frank Doyle
->''"Fire in the hole!"''
Tropes associated with Frank:
* BashBrothers: When paired with J.D. Nelson.
* DeadpanSnarker: He is ''very'' deadpan.
-->'''Tory:''' Frank, why are you standing so far away?\\
'''Frank:''' Because I want to continue to live.
* RetiredBadass: He's a former FBI special agent.
* StuffBlowingUp: His job is to make this occur without crossing into "''People'' Blowing Up".

!!Sgt. J.D. Nelson
->''"I don't think they taught me this in bomb school...."''
Tropes associated with J.D.:
* BashBrothers: When paired with Frank Doyle.
* DeadpanSnarker: Compared with Frank, not quite as deadpan, but a bit snarkier.
* StuffBlowingUp: His job is to make this occur without crossing into "''People'' Blowing Up". When not working with the [=MythBusters=], his job is the disposal of bombs, old military ordinance, and suspicious packages.