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[[foldercontrol]]

!!The Hosts

[[folder: Joel Robinson]]
[[quoteright:240:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Joel_7198.jpg]]
->'''Played by:''' Joel Hodgson

The original "guy shot up in space" and the creator of the robots. Joel was an employee at Gizmonic Institute, both a janitor and inventor. As part of Dr. Forrester's experiment, he was launched into space aboard the Satellite of Love and is forced to watch horrible movies. Joel has a rather laid-back personality, and as their creator, often acts as a father figure to the Bots. Halfway through Season 5, Joel escapes from the [=SoL=] and is replaced by Mike. Joel comes back for one episode later on, where it turns out he settled down as the manager of a Hot Fish Shop in Osseo, Minnesota.
----
* TheAce: But only in the season 10 premiere, where he fixes the SOL in a few hours among other great things... poor Mike.
* {{Adorkable}}: Has his moments.
* BewareTheNiceOnes: He's usually very complacent and takes his captivity in benign stride, but don't push him too far...
* CloudCuckoolander: "I'm strange, which results in creativity!"
* DeadpanSnarker: Leans more towards Deadpan than Mike.
* TheEveryman: "There was a guy named Joel, not too different from you or me."
* EyesAlwaysShut: The "sleepy eyes" act is a trait carried over from Joel's previous projects.
* GadgeteerGenius: The RidiculouslyHumanRobots, as well as all of his other inventions.
* GeniusDitz: Not so much ditzy as he is aloof.
* GrayEyes: When they open.
%%* HiddenDepths
* HilariouslyAbusiveChildhood: Possibly implied. Joel once said his parents once forced him to take a bath in the front yard.
* TheKirk (Original)
%%* TheLeader
* MotherlyScientist: Often ends up disciplining/comforting the robots that he built.
* NiceGuy: He's almost impossibly friendly, and very hard to push.
* NotSoStoic: When he does lose his cool, it's startling.
** During ''AttackOfTheTheEyeCreatures'', Joel ends up apologizing for the the rest of the the male sex, and later, actually loses his cool, berating one character:
--->'''Joel:''' ''(angry)'' You know what? You are ''one '''sick''' mamma-jamma''.
** And then his infamous rare outburst in ''[[Recap/MysteryScienceTheater3000S04E24ManosTheHandsOfFate Manos: The Hands of Fate]]'', after twenty seconds go by with nothing of any appreciable importance happening on screen.
--->'''Joel:''' ...'''''DO''' SOMETHING!!!'' God!
** And shortly after admonishing the Bots for yelling at the endless rock climbing sequence from ''Film/LostContinent'': "Who are you? Where are we? ''Can we get a FRAME OF REFERENCE, please?!''"
* OnlySaneMan: Roughly.
* PutOnABus: Put on an escape pod to be precise.
* RedOniBlueOni: [[ColorCodedCharacters Oddly enough]], and despite the fact that they only met once, he's the Blue to Mike's Red. Quite ironic, concerning their usual jumpsuit colors.
* ShoutOut: His last name is one of these to [[Series/LostInSpace Will Robinson]]. Also to ''Literature/RobinsonCrusoe'', as he frequently mentions being marooned in space.
* TheStoic: Well, Joel's more laid back than stoic, but he seldom ever gets upset. He's so laid back, according to the KTMA Opening Theme lyrics, Joel's response to being shot into space and being forced to watch bad movies?
-->Joel says, "When you got lemons, you make lemonade."
* SuddenNameChange: In the KTMA season, Hodgson simply used his full real name for the character. The surname was changed to "Robinson" after the move to The Comedy Channel.
* TeamDad: Feels more inclined to treat the Bots more like his children or students than his creations, taking great pride in their accomplishments, reeling them in when they go to far, and going to great lengths to perk them up when they're upset. The Bots, for all the grief they give him otherwise, seem to appreciate this.
* TookALevelInJerkass: When he repairs the SOL in season 10 Mike and the bot's ask him to take them with them on for him to refuse muttering "Yeah, except I really don't ''want'' to..." before covering that his years on the SOL made him a man.
[[/folder]]

[[folder:Mike Nelson]]
[[quoteright:200:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Mike_Nelson_1627.jpg]]
->'''Played by:''' Michael J. Nelson

The second "guy shot up in space" after Joel escaped from the Satellite of Love halfway through Season 5. Mike Nelson is a lifelong temp-worker, bouncing from job to job. Only the coincidence of him being temped out to Deep 13 for their audit at the time of Joel's escape led to him being employed long-term by Dr. Forrester. He's described by Dr. Forrester as a "disgustingly mild-mannered dope", which is pretty apt. To the bots, he's seen as a big brother, college roommate type, or amicable coworker, depending on the situation.
----
* AlternateHistory: Inspired by a time-traveling Crow's warnings, in one timeline he devoted himself to his rock band, [[FailOSuckyname Sex Factory]], instead of temping. They actually got successful enough to open for {{Music/Motorhead}}, but Mike died due to head trauma from thrown hotel keys and his abusive JerkAss brother was sent into space instead. Crow had to go back again to avert this.
* AmbiguouslyGay: Or perhaps Bi. In "Werewolf" he implies he dated a man named Steve who died (but is interupted by the movie sign), and in "Laserblast" Crow pokes fun at him for thinking one of the actors is cute, among others. He also kissed a surly old truck driver once. (Who was a durned fine kisser.)
* BewareTheNiceOnes: Mikey and the Llama comes to mind.
* BigBrotherInstinct: Towards the Bots...at times.
%%* TheBigGuy
* BigScrewedUpFamily: His Jerkass brother Eddie is just the tip of the iceberg.
* ButtMonkey: Tom and Crow have openly admitted to destroying his most prized possessions just For The Lulz.
* CharacterDevelopment: In a sense. Though he's decidedly not a tech guy, he does eventually learn how to make repairs and mild alterations to the Bots.
* DeadpanSnarker: Leans more towards Snarker than Joel.
* HypocriticalHumor: Makes fun of Robert Z'Dar's LanternJawOfJustice in "Future War", despite being an example of the trope himself.
* TheKirk (Replacement)
* KubrickStare:
** [[http://www.youtube.com/watch?v=kiN6yLiif-M Mike doesn't think that's funny.]]
** Here's a [[http://i42.tinypic.com/2iitkww.jpg real doozy from Mike!]]
* LanternJawOfJustice: A not-so-heroic but not villainous version. He has a rather hunky face.
* LimitedWardrobe: Apart from the jumpsuit, there's [[http://www.youtube.com/watch?v=HLk_B93Qo38 this]].
* MikeNelsonDestroyerOfWorlds: The TropeNamer, no less, destroying a grand total of three planets in the eighth season alone.
* NamesTheSame: [[invoked]] As Mike Nelson of ''[[http://www.imdb.com/title/tt0051311/combined Sea Hunt]]'' fame. However, it's never referenced til ''[[Recap/MysteryScienceTheater3000S09E09Gorgo Gorgo]]''. It's odd because the Lloyd Bridges phrase "By this time my lungs were aching for air" was an oft-used riff on the show.
* PhraseCatcher: "[[NiceJobBreakingItHero Good one, Nelson!]]"
* PowerBornOfMadness: Mike's tendency to [[SanitySlippage randomly assume the identities of other people]] ended up saving the crew's lives during the [[{{Laserblast}} Season 7 finale]], when he transformed into [[Series/StarTrekVoyager Captain Janeway]] and rescued the satellite from a black hole via a stream of TechnoBabble. And again in Season 8, when turning into Adam Duritz scared away [[ItMakesSenseInContext the aliens attacking the ship.]]
* RedOniBlueOni: Even though they only met a couple of times, he comes across as the Red to Joel's Blue.
* SanitySlippage: Many, many times. Unlike Joel, Mike isn't quite as coolheaded, whether it's thinking he's Carol Channing or Captain Janeway, climbing down a stepladder to try to escape the S.O.L.[[note]]Oddly, this one would have ''worked'' if Mike had remembered that [[WhatAnIdiot the S.O.L. was in a geosynchronous orbit directly over the Mads' castle]] and adjusted appropriately -- Brain Guy gently prodded Mike back up the ladder by pointed a cannon at him.[[/note]], or trying to invoke a Joel-style escape while sitting it a water heater after seeing ''Film/FinalJustice'' (starring Joe Don Baker, of course). He also has elements of GoingPostal, such as wearing a KubrickStare while quoting ''FullMetalJacket'' or getting a ThousandYardStare thinking about an ex co-worker he thought had it out for him.
* ShirtlessScene: He's done this a few times.
--> '''Crow:''' "Ladies and... [[TheSmurfettePrinciple Gypsy]]! Michael Nelson '''is...'' Lord of the Dance!"
* SuspiciouslySimilarSubstitute: Averted, Mike was ''very'' different from Joel. Unlike his predecessor he actively tried to escape from the SOL, gave up on the traditional invention exchanges early on, and was generally more biting and harsh in his riffing style.
* TapOnTheHead: ''"...so they conked him on the noggin and they shot him into space..."''
* ThisLoserIsYou: "Just a regular joe they didn't like."
* UnfazedEveryman: He seems to be pretty cool with being stuck on a satellite forced to watch cheesy movies with robots that destroy his belongings all the time besides the occasional SanitySlippage and escape attempt.
* UnluckyEverydude: At the hands of Tom and Crow.
* WaitingForABreak: Apparently a very talented and prolific stage actor, still had to resort to temp work. It actually also applies to how he joined the show in RealLife. Originally hired away from TGI Friday's to do "some typing," everyone was very surprised at his joke writing and musical skills, resulting in him soon becoming head writer and getting numerous cameos, and then being the natural choice to replace Joel.
* WholesomeCrossdresser: Not so wholesome when he became Captain Janeway.
* YouLookFamiliar: Mike played several small roles in the host segments (and most notably played the recurring role of [[Film/ManosTheHandsOfFate Torgo]]) before taking over as host.
[[/folder]]

!!The Bots

[[folder:In General]]
* CuteMachines: Relatively speaking.
%%* FiveManBand
* TheGenieKnowsJackNicholson: How they can make over hundreds of pop culture per episode despite being robots who have never been to Earth before, we'll never know.
** Joel sometimes implies that he personally programmed the references they didn't get from the T.V. into their memories.
* PingPongNaivete: How much they know and understand about human life changes depending on what's funniest. At the very least they have a working knowledge of pop culture.
* SecondLawMyAss: Applies to Crow and Tom Servo. Sometimes Gypsy as well. Even Cambot at one point.
* RobotBuddy: A very loose definition of the word "buddy".
* RidiculouslyHumanRobot: They all have distinct personalities, in addition of being capable of dreaming and free will.
* {{Tsundere}}: Show mixed traits towards Mike in the Sci-Fi Channel episodes, with Crow showing elements of a classic Type A.
* WithFriendsLikeThese: Especially between Tom and Crow.
[[/folder]]

[[folder:Crow]]
!!!Crow T. Robot
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Crow_1322.jpg]]
->'''Played by:''' Josh Weinstein (''Invaders from the Deep'' only), Trace Beaulieu (KTMA through season 7, Great Gila Monster Sketch, Turkey Day 2014), Bill Corbett (seasons 8-10)

TV's wise-cracking Crow is a gold-colored hominid. His most obvious features are his pronounced beak made out of a bowling pin, and a hockey mask he wears as a head crest of sorts. He tends to be the most immature of the trio, generally acting out the most or getting into various types of trouble, referred to as "an unathletic nerd" by Mike and Servo. He also fancies himself a bit of an amateur screenwriter, and a RunningGag on the program is him routinely pitching new scripts at the other two. He sits to Joel/Mike's right in the theater.
----
* BiTheWay: He wrote songs for his love of Kim Cattral and Estelle Winwood, but also has kinky dreams about Servo.
* BrilliantButLazy: He's smarter than he appears, but gets bored easily and often doesn't bother to put in more than the minimum amount of effort on whatever he's doing. Says a lot that when taking an IQ test he failed to answer even one question because he fell asleep.
* ButtMonkey: Particularly when Trace played him, he was the butt of quite a few jokes and suffered more than his share of AmusingInjuries.
* CatchPhrase: He wanted to adopt "You know you want me, baby," as his personal catchphrase, mostly to justify a large order of T-shirts, but it ultimately didn't stick.
* DeadpanSnarker: Arguably the biggest one on the show.
* FatherIWantToMarryMyBrother: In "Racket Girls" he asks Mike for [[HoYay Tom Servo's hand in marriage.]] Yes, there is a wedding held. And yes, it is ''glorious.'' The wedding's never mentioned again after that episode, so it's probably safe to say that it held no legal standing and was just for shits and giggles.
* HeroicComedicSociopath
--> '''Joel:''' And what do ''you'' want for Christmas, Crow?
--> '''Crow:''' I wanna decide who lives and who dies!
* KubrickStare: Can pull off a very good one, due to the way his head is shaped.
* TheLancer: Causes the most problems out of all the bots.
* LargeHam: Especially when voiced by Trace Beulieu.
* LikesOlderWomen: His two crushes, Kim Catrall and Estelle Winwood, were both beyond his age level-whatever that is.
%%* TheMcCoy
* MeaningfulName: Depending on when you ask him, Hodgson named Crow in honor of a Native American college friend with the same surname, or was inspired by the Jim Carroll Band song of the same name.
* MoralityPet: He's good friends with Pearl Forrester, of all people, and she treats him better than the rest of the cast.
* MysteriousPast: Crow spent almost all of the 500 years in the Satellite of Love (being pure energy was boring). Even he can't remember what he did, but apparently a large chunk of it was spent eating Nut Goodies and at one point, he tried to conceive (and made a fertility idol of himself to try to help out.)
* TheNthDoctor: Bill Corbett is TheOtherDarrin until a joke that his voice changes "every seven years or so" and a throwaway line by [[TheBusCameBack Joel]] saying that he'd changed his "bowling pin" part, making him TheNthDoctor.
* SanitySlippage: He's more likely than Servo to descend into madness - and just as easily to MoodWhiplash himself into normalcy. For example, when Crow suckles at his "Mother's" nipple, he shriek's a primal scream when Mike tries to pull him off her - but a few moments later, when Mike gently tells him "That's not your mother", he pauses, and says, "Oh!"... then quickly asks him, "Are ''you'' my mother?"
* SpellMyNameWithAThe: His middle name.
* SphereEyes
* SplitPersonality: In the Sci-Fi Channel episodes, Crow has an occasional tendency to think he's something or someone he's not. Examples include [[http://www.youtube.com/watch?v=OnwCv1E43oU a bear]] (''[[{{Morozko}} Jack Frost]]''), [[http://www.youtube.com/watch?v=7pBDZz9kzFM Mary Tyler Moore]] (''ItLivesByNight''), and [[http://www.youtube.com/watch?v=Bcqg-d52ZvM a Bellerian]] (''SpaceMutiny''). Very likely a result of SanitySlippage after he'd been on the Satellite for 500 years.
* TheStarscream: MirrorUniverse Crow.
* StylisticSuck: His forays into screenwriting, especially the infamous ''[[RunningGag Earth Vs. Soup]]''.
--> '''Tom Servo''': '''[[ReasonYouSuckSpeech WHY DON'T YOU SET FIRE TO THIS STINKBURGER AND NEVER PUT PEN TO PAPER UNTIL THE MOUNTAINS CRUMBLE INTO THE SEA?!]]'''
* TelescopingRobot: Crow's arms look disproportionately small when he's behind a counter. A full body shot reveals he's really just folded his arms up to fit on the counter.
* TransparentCloset: Has had at least one kinky dream about Tom Servo, and gotten giggly over the thought of touching Robert Redford.
* UsefulNotes/{{UNIX}}: Crow runs mainly on Unix, according to ''[[Recap/MysteryScienceTheater3000S04E21MonsterAGoGo Monster a Go-Go]]''.
* VitriolicBestBuds: With Tom Servo, Type 2.
[[/folder]]

[[folder:Tom Servo]]
!!!Tom Servo
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Tom_6389.jpg]]
->'''Played by:''' Josh Weinstein (KTMA - season 1, Turkey Day 2014), Kevin Murphy (seasons 2-10), Frank Coniff (Great Gila Monster Sketch)

Tom Servo is a red robot. His most obvious feature is the fact that his head is a gumball machine. He also has inoperable arms on springs, and travels by floating on his hover-skirt. Despite these shortcomings, he's the most cultured of the crew and has a lovely singing voice. His jokes tend to be of the more intellectual type. He sits to Joel/Mike's left in the theater.
----
* BerserkButton: '''[[TheRebelSet HE'S NOT MERRITT STONE!]]'''
* CasanovaWannabe: Mainly his KTMA-Season 1 persona.
* DeadpanSnarker: As with the difference between Joel and Mike, Weinstein's Servo is more Deadpan, and Murphy's Servo is more Snarker.
* DistressedDude: Has gotten into this role a couple of times.
* EyelessFace: It's implied either the gumball dome or the red rim under it is his eyes.
* FatherIWantToMarryMyBrother: With Crow in "Racket Girls". Tries to go on a date with Gypsy in "Swamp Diamonds."
* FragileFlower: Takes a lot more for this to happen to him than most examples, but seems to have had a ''lot'' of nervous breakdowns throughout the series.
* FullNameBasis: He was usually referred to as "Tom Servo" or "Servo". Only Joel regularly called him just "Tom".
* InTouchWithHisFeminineSide: Constantly wearing dresses and wigs.
* LargeHam: Gets into this on occasions. Especially during his "MIGHTY VOICE!" days.
* MesACrowd: After he was cloned in ''TheHumanDuplicators'', it became an occasional RunningGag for the rest of the show's run that there are a bunch of other Servos hanging around somewhere on the satellite. In the final episode [[spoiler:he blows them all up]].
* MotorMouth: Made the longest riff on the show; an entire minute and a half.
* MysteriousPast: Tom apparently had a wild life of adventure during his time an energy being on the edge of the universe, which he refuses to talk about.
* TheNapoleon: MirrorUniverse Servo, but also Tom himself on occasion.
* RealityWarper: During ''The Gunslinger'', Tom Servo shows that he has such a complex understanding of reality that he's able to perform OffscreenTeleportation and warp time. He apparently uses it to [[MundaneUtility scare Crow at night.]]
* RenamedTheSame: When he changes his last name to Serveaux. It's pronounced exactly the same, but he thinks he can tell when people aren't pronouncing it right.
* RuleOfFunny: Though it's frequently stated that his arms are nonfunctional, he nonetheless will be able to grab objects if it leads to a punchline.
* SendInTheClones: There's about 517 of him running around the ship by the end.
* SmallNameBigEgo: In spades, and usually BreakTheHaughty follows in quick order.
* TheSmartGuy: So much so that when the Observers gave the satellite crew IQ tests, he scored ''higher than the observers themselves.''
* SpellMyNameWithAnS: At one point he changes his name to Htom Sirveaux, and corrects Mike when he doesn't pronounce it correctly (even though it's pronounced exactly the same.)
* TheSpock: If, as Murphy puts it, "kind of weepy".
* ThroughTheEyesOfMadness: At one point Pearl gives LSD to the robots and has Mike hook them up to a monitor to see what they're seeing. Servo sees everyone as a lot more demonic, but he just laughs it off and says that that's what he ''always'' sees.
* TransparentCloset: Not quite as flagrant as Crow, but he ''is'' curvy, gifted with better fashion sense, and the best singer on the ship.
* VitriolicBestBuds: With Crow.
* WholesomeCrossdresser: If someone's going to get in a skirt as part of a skit, it'll probably be Servo. {{Lampshaded}} when Servo dresses as a Brownie. He angrily tells them that his hoverskirt doesn't give him many options when wearing costumes - or would you rather he wear his Flemish glass blower outfit?
[[/folder]]

[[folder:Gypsy]]
!!!Gypsy
[[quoteright:336:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Gypsy_9685.jpg]]
->'''Played by:''' Josh Weinstein (KTMA), Jim Mallon (seasons 1-8), Patrick Brantseg (seasons 8-10)

Gypsy was a robot built by Joel to service the higher functions of the ship. As such, she doesn't (typically) go into the theater with everyone else. She's basically a snake form, with a long black tube as a body, and her head is a baby's car seat attached so she kinda looks like a vacuum cleaner with a flashlight that serves as her eye. She has a ''huge'' crush on Richard Basehart.
----
%%* TheChick
* CloudCuckoolander: A running gag is that she is the smartest character by a wide margin, but most of her mind is taken up by actually running all the systems on the ship.
* CrouchingMoronHiddenBadass: See SmarterThanYouLook.
* TheDitz: While she was almost [[YouNoTakeCandle completely]] [[TheUnintelligible unintelligible]] in the KTMA episodes, this became gradually [[DownplayedTrope downplayed]] as the series went on, until she was more or less the [[CloudCuckoolander (admittedly not completely lucid)]] OnlySaneWoman during the Sci-Fi seasons.
* ImYourBiggestFan: Toward ''Series/VoyageToTheBottomOfTheSea'' star Richard Basehart.
* LarynxDissonance: Has never been voiced by a female.
* MamaBear: Towards Crow and Tom Servo, most notably in "The Beatniks."
* MeaningfulName: Joel Hodgson named and designed her after his brother's pet turtle. [[NotMakingThisUpDisclaimer Really.]]
* OnlySaneWoman: Believe it or not, she's been this at times.
* SmarterThanYouLook: Discussed; the reason for this is Gypsy has a hard time controlling the SOL and being able to interact with the others at the same time, but she eventually gets the hang of it.
* TeamMom: Especially to Tom and Crow.
* SassyBlackWoman: Parodied; during an experiment in season 6 that made the Bots more pretensious, Gypsy called Mike her "white male opresser." But it didn't stop there. In Season 10, Gypsy [[ItMakesSenseInContext (who had]] TookALevelInJerkass [[ItMakesSenseInContext thanks to the ship going haywire)]] told Mike [[CrossesTheLineTwice to "jump up my tube, white boy!"]]
* SelfMadeMan: [[spoiler:After the SOL's crash (at the end of the series) she ditched Mike and the other Bots and founded a multi-billion dollar company. Though since this was 1999 and near the peak of the dot-com bubble, when even TVTropes might have been valued in the billions, it's sort of an open question whether her fortune lasted.]]
* SmurfettePrinciple: She's the only female robot on the Satellite Of Love.
* YouNoTakeCandle: Only at first. She got over it after a few seasons.
[[/folder]]

[[folder:Cambot]]
!!!Cambot
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Cambot_9672.JPG]]
->'''Played by:''' Kevin Murphy (KTMA through season 5) and Micheal J. Nelson (season 5-10), although he is only heard during RobotRollCall in the official seasons.

Cambot serves as the camera on the Satellite of Love, projecting to the Mads in Deep 13. As such, he's never seen, never heard, and it's easy to forget he's even there, but he's obviously an essential member of the crew, without whom we wouldn't see all the wacky hijinx on the Satellite.
----
* HeWhoMustNotBeSeen: Kind of a given, since he's the one who has to film everything.
* InUniverseCamera: Invoked, as Joel built him specifically to be this.
* NotSoStoic: See TenderTears below.
* RunningGag: Mike and Joel calling "Cambot, give me Rocket #9!" any time something is happening outside the ship. No matter ''what'' is being looked at, external visual is ''always'' from Rocket #9.
* SdrawkcabName: During RobotRollCall his name is backwards because he's taping himself in a mirror.
* SilentSnarker: Made his only riff in 'Sidehackers', though made clever comments in one of the host segments as well..
* TenderTears: In the ''Film/DangerDeathRay'' review the deaths of so many innocent cameras leaves him crying through the last host segment, blurring out the scene.
[[/folder]]

[[folder:Magic Voice]]
!!! Magic Voice
[[quoteright:313:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Magic_Voice_8292.jpg]]
[[caption-width-right:313:Fan art by Andrew Dickman]]
->'''Played by:''' Jahn Johnson/Alexandra Carr (seasons 1-5), Mary Jo Pehl (seasons 5-7) and Beth [=McKeever=] (Seasons 8-10)

Magic Voice is a female, disembodied voice who resides in the Satellite of Love, and whose main task is to announce when commercial sign is coming up and otherwise make the occasional comment on the action. It's never revealed exactly what she is, but seems to be robotic in nature, given how Joel was able to reprogram her along with the other 'Bots. The most common fan theory is that she's the ship's computer.
----
* ADayInTheLimelight: A minor presence in the show who usually just chimed in with short comments and announced upcoming commercial sign, she did get a few skits and segments where she received more attention, most notably in the fifth-season episode ''"The Atomic Brain'', where she feels lonely and wishes she could meet someone else like her but changes her mind after an encounter with the creepy voice-over guy from the episode's movie.
* ChuckCunninghamSyndrome: She's one of the few characters to vanish from the show with no real explanation.
* DeadpanSnarker: Not to the extent of Joel/Mike and the Bots, but she gets a few good lines in from time to time.
* OutOfFocus: While never a major presence in the show, she appeared less and less in later seasons, and in the Sci-Fi years only made the odd cameo before vanishing completely in season 10.
* TheVoice: Literally; she is only a voice and lacks any sort of corporeal form.
[[/folder]]

!!The Mads
[[folder:In General]]
* AffablyEvil[=/=]FriendlyEnemy: They've all had their fair share of chummy moments with their captives.
* CoolAndUnusualPunishment: Refusal to go into the theater is met with either electrucution or the removal of the ship's oxygen.
* FailureIsTheOnlyOption: None of the movies will ever [[GoMadFromTheRevelation break the SOLites' will.]] Although they have gotten close on a number of occasions.
* IneffectualSympatheticVillain: The Satellite Of Love crashing bringing an end to the experiments (and therefore the show) in Diabolik reduced Pearl to tears, with her makeup running and her hair in a mess.
** Dr. Forrester when Frank died, especially displayed in his song "Who Will I Kill?"
* LargeHam: Dr. Forrester and Pearl.
* SuspiciouslySimilarSubstitute: TV's Frank to Dr. Erhardt; Pearl to Frank, and later Dr. Forrester; though to be fair while they filled similar roles their characters were all quite different.
[[/folder]]

[[folder:Doctor Forrester]]
!!!Doctor Clayton Forrester
[[quoteright:245:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Clayton_Forrester_8422.png]]
->'''Played by:''' Trace Beaulieu

Dr. Forrester is the green-coated head scientist down in Deep 13 who oversees the experiment on the Satellite of Love. While he's evil with a capital E, he's also not particularly effective, given how after several years, he still has yet to find that perfect movie that will drive people insane. Oftentimes, the relationship between Dr. F and the folks on the Satellite tends to be strangely amicable.
----
* AffablyEvil: Though a megalomaniacal MadScientist who tortures his captives with bad movies, abuses his assistant and takes pride in being Evil, he's got surprisingly many friendly moments.
* BadBoss: Especially to Larry.
* CardCarryingVillain: "Supervillain" is his actual job title.
-->'''Dr. Forrester and Dr. Erhardt:''' What do you want from us? WE'RE EVIL!
* CharacterizationMarchesOn: Started out as a smug, stern, pompous, deeper-voiced jerk but eventually became a manic, mincing, CharlesNelsonReilly-ish maniac.
* ClarkKentOutfit: As can be seen in the ''San Francisco International'' episode, underneath the scrubs, Doctor Forrester is ''cut''!
* EinsteinHair: From Season 1 onwards.
* EmbarrassingMiddleName: Deborah Susan
* EvilSoundsDeep: In KTMA, almost to the point of NightmareFuel.
* EvilLaugh: NAUGHTY NAUGHTY!!!
* HilariouslyAbusiveChildhood: His FreudianExcuse includes a mother who doesn't seem to care about his exsistence, rejection from every girl in high school, several [[NoodleIncident Noodle Incidents]] involving ice rinks, the shower incident, and a humiliating expulsion from the chess club.
* InsultBackfire: He gets all warm and fuzzy when he's accused of crimes against humanity (or robotity).
--> '''Joel:''' That may be the most despicable thing I've ever heard of.
--> '''Dr. Forrester''' ''(smugly):'' Thank you!
* LockedIntoStrangeness: According to his BackStory, he was struck by lightning, which gave him his SkunkStripe.
* MadScientist: A textbook example
* NerdGlasses: One episode had them change from green to black [[BigLippedAlligatorMoment with no explanation, and was never mentioned again.]]
* ShoutOut: He's named after the hero of the 1953 film adaptation of ''Film/TheWarOfTheWorlds''.
* SkunkStripe: In his hair ''and'' mustache. Trace has hinted during a convention panel that it also appears in a third place [[{{Squick}} (the location of which is for the reader to decide).]]
* StopHavingFunGuys: [[invoked]] During "Turkey Day '91", he's more concerned with world domination than Thanksgiving.
[[/folder]]

[[folder:Larry Erhardt]]
!!!Doctor Laurence "Larry" Erhardt
[[quoteright:270:http://static.tvtropes.org/pmwiki/pub/images/MST3K_DrErhardt_6797.JPG]]
->'''Played by:''' Josh Weinstein

Dr. F's first assistant, who didn't get much characterization at all, since he was only around for one season. He pretty much aped Dr. F's tendencies towards loving evil and played the part of the sniveling aide.
----
* FreudianExcuse: Apparently used to work at a zoo before they gave him monkeys instead of students.
* GeekPhysiques: Of the fat variety.
* TheIgor: Turned into one over the course of the KTMA season; at first he was more clearly Dr. Forrester's partner and equal, but became more of a subservient toady over time.
* LaughingMad: In the KTMA shows, not so much in the Comedy Channel shows, where he became more of a bungling assistant to Dr Forrester.
* NerdGlasses: Just like Dr. Forrester, he sports an impressive pair.
* MadScientist: The main difference between TV's Frank and Dr. Erhardt is that Dr. Erhardt is a MadScientist in his own right.
* PhraseCatcher: "File this, Larry."
* ProfessionalButtKisser: Larry constantly sucks up to Dr. Forrester.
* PutOnABus: And later implied to have been [[BusCrash eaten by a giant spider]].
* TookALevelInKindness: In the KTMA episodes, especially his earlier appearances, he was a lot more unhinged and showed some sadistic tendencies. By the time the show moved to Comedy Central, he'd mellowed out a lot and was downright jovial and friendly -- though never ''quite'' a MinionWithAnFInEvil.
%%* WildHair
[[/folder]]

[[folder:TV's Frank]]
!!!TV's Frank
[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Frank_7425.jpeg]]
->'''Played by:''' Frank Conniff

Dr. Erhardt's replacement after Season 1, TV's Frank was, in the end, far more fleshed out than his predecessor. More laid back, goofy, and ineffectual than even Dr. F himself, Frank often found himself the butt of jokes, or just plain dead. He departed the show at the end of Season 6, where he was assumed into Second Banana Heaven.
----
* AscendedToAHigherPlaneOfExistence: When [[Film/ManosTheHandsOfFate Torgo the White]] brings him to Second Banana Heaven. His season ten cameo reveals he got kicked out later.
* AttentionDeficitDisciple
-->'''TV's Frank:''' '''''WHY?! WHY?! WHY?!?!?!''''' Oooh, ''[=McKenna=]'s Gold'' is on!
* BizarreHumanBiology: He's survived multiple kinds of dismemberment (has replacement organs!), having his blood replaced with antifreeze (blood which is of a previously-unknown type, by the way), and apparently exists in a state of perpetual cardiac problems (his heart works so hard it can power an engine).
* ButtMonkey: At the hands of Dr. F.
* DeathIsCheap: Frank gets killed a lot.
-->'''TV's Frank:''' Ooh, that's my old head! Just file that under "Frank's Old Head".
* TheDitz: Not as much as Bobo, but still.
* FriendlyEnemy: With Joel, Mike and the Bots.
* TransparentCloset: With Dr. Forrester. One sketch revlolved around this.
%%* TheIgor
* MinionWithAnFInEvil: The reason why so many escape attempts hinged on trying to convince Frank to hit the button that would return the satellite to earth. It almost worked on multiple occasions, Forrester stopping him each time.
* PhraseCatcher: "Push the button, Frank!"
* PutOnABus: To Second Banana Heaven.
* TheyKilledKenny He died ''a lot.''
* TooDumbToLive: Literally, as he was killed multiple times.
* TheDogBitesback: One episode had Frank impersonate Dr Forrester and borrow lots of money from an angry mob, which then pummeld the ''real'' Dr Forrester, leaving him in a body cast for the rest of the episode.
[[/folder]]

[[folder:Pearl Forrester]]
!!!Pearl Forrester
[[quoteright:336:http://static.tvtropes.org/pmwiki/pub/images/fbd5b42574ee05427a779358b769e7c9.jpg]]
[[caption-width-right:336:Left, Deep 13. Right, Castle Forrester]]
->'''Played by:''' Mary Jo Pehl

Dr. F's [[MyBelovedSmother beloved mother]], who showed up a few times in Season 6, but became Dr. F's foil in Season 7 when she moves back in. Starting Season 8, after Trace Beaulieu leaves the show, she becomes the head scientist showing the movies. The story is that after Clayton died (again, it's a bit complicated), she was put in cyrogenic freezing, thawed by the future apes, and became the Lawgiver. Doesn't make much sense, but [[MST3KMantra you know how it is]].
----
* AffablyEvil: In some situations, usually as a riff on the [[MinnesotaNice stereotypical good-naturedness of Midwesterners]].
* BlackWidow: She actually ''threatens'' Bobo and Observer, "Sit down, or I'll ''marry'' you!"
* CardCarryingVillain: At least, her goal, as she desperately wants to join the Fraternal Order of Mad Scientists.
* CharacterizationMarchesOn: She appeared as an annoying, naggy, overbearing mother stereotype in the Deep 13 episodes, but morphed into a more bullying version of Dr. F when she took over as the main villain.
%%* EvilMatriarch
* CatchPhrase: "It's called (title of movie) and it sucks on toast."
* TheGamblingAddict: In ''[[Recap/MysteryScienceTheater3000S08E16PrinceOfSpace Prince of Space]]'', she states that her favorite hobby is playing slot machines. And in ''[[Recap/MysteryScienceTheater3000S10E09Hamlet Hamlet]]'', Mike ropes her into playing a ShellGame and ends up winning his choice of a movie. Of course, Pearl turns the situation back in her favor by sending him a crappy, black-and-white, dubbed version of ''Theatre/{{Hamlet}}''.
* LegacyCharacter: Especially once she moves into Castle Forrester in season 9.
* MadScientist: Spends most of Season 10 trying to get her liscense.
* MyBelovedSmother: Her original characterization with regards to Clayton. She also ''literally'' smothered him to death off-screen between seasons 7 and 8, when she didn't get around to raising the reborn Dr. Forrester and he grew up to be the same maniac he was before.
* NeverMyFault: The whole reason she took over as head Mad was because she blamed Mike and the Bots for Clayton's death after she smothered him to death with a pillow.
* PsychopathicWomanChild: She has ''many'' tempertantrums.
* SkunkStripe: Apparently she was also struck by lightning.
* TrademarkFavoriteFood: Noted to have a fondness for chicken-in-a-biskit snack crackers several times, to the point that Brain Guy uses it as motivation to prevent the destruction of the universe. No more universe, no more chicken-in-a-biskit.
* TwitchyEye: Has one driving her VW camper in the title sequence.
[[/folder]]

[[folder:Professor Bobo]]
!!!Professor Bobo
[[quoteright:179:http://static.tvtropes.org/pmwiki/pub/images/prof_bobo_1386.jpg]]
->'''Played by:''' Kevin Murphy

An evolved gorilla from the year 2525, from a ''[[Franchise/PlanetOfTheApes future where apes evolved from men?]]''. Yes, it's a madhouse. He's heard it all. First appearing in the beginning of Season 8, he's a professor of anthropology, but soon becomes little more than TheDitz often foiling Pearl's machinations.
----
* BatmanCanBreatheInSpace: Twice; first when falling off the Widowmaker and onto a nearby planet, and again when he had to... [[InsistentTerminology "go."]]
* CharacterizationMarchesOn: While a bit dumb to begin with, Bobo started off as a more serious, OnlySaneMan head scientist in Deep Ape, often scolding his subordinates for being silly & exasperated at the stuff going on around him. Upon leaving Deep Ape he immediately became a doofus...eventually becoming not much more that a talking family pet. See OnlySaneMan & TookALevelInDumbass. His introduction in Season 8 can be a bit jarring to those used to "Bobo The Big Idiot Sidekick".
* TheDitz: Even moreso than Frank.
* ExtremeOmnivore: He is constantly either eating or looking for food, and on top of that, is occasionally shown to eat things that aren't food.
--> '''Bobo:''' Well, you see, the fact of the matter is I've swallowed so darned many things over the years that there must be a key in there ''somewhere'' that'll work.
%%* FullyDressedCartoonAnimal
%%* FunnyAnimal
* InsistentTerminology:
-->'''Peanut:''' I'm Peanut!
-->'''Bobo:''' That's ''Doctor'' Peanut! (''*{{dope slap}}'*'')
* MikeNelsonDestroyerOfWorlds: He may not be the TropeNamer, but Bobo shares just as much responsibility as Mike does in blowing up Earth. He did help repair the bomb that did it after all.
** He also [[BeenThereShapedHistory burned down Ancient Rome]] [[ItMakesJustAsMuchSenseInContext when he knocked over a candle trying to steal a cheese wheel.]]
* OnlySaneMan: Was this back in Deep Ape. The very second they left, Bobo [[TookALevelInDumbass shoots himself in the foot.]] ''[[UpToEleven Twice.]]''
* SesquipedalianLoquaciousness: Has infrequent moments when he'll talk like this; even after he TookALevelInDumbass he kept a very advanced vocabulary and often spoke in a "cultured" tone.
* TookALevelInBadass: When he remembers he's descended from the line of "Godo, Gobo, and Chim-chim!"
* TookALevelInDumbass: Bobo wasn't exactly the brightest knife in the full deck before Earth blew up, but afterward he became a complete idiot.
[[/folder]]

[[folder:Observer]]
!!!Observer ("Brain Guy")
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/MST3K_Brain_Guy_7093.jpg]]
->'''Played by:''' Bill Corbett

A member of an allegedly advanced species, the Observers. He and his kind first appear in Season 8 to observe the experiment, but [[MikeNelsonDestroyerOfWorlds Mike ends up blowing up their planet]], leaving only the one behind to hang around with Pearl and Bobo. Allegedly, his species is just the brain, which his "host body" carries around in a salad bowl, but [[MST3KMantra this show being what it is]], the concept is only tangentially ever alluded to, and you may as well assume the guy in pale face with the robe is "Brain Guy".
----
* AchillesHeel: Turns out keeping your brain in a big, open salad bowl is kind of a crummy idea.
* AmbiguouslyGay: Aside from the TransparentCloset, he tends to be a little effete.
-->'''Observer:''' ''(on [[{{Hamlet}} Fortinbras]])'' He made ''me'' look butch.
%%* AmusingAlien
%%* BrainInAJar: He keeps his brain in a salad bowl.
* ButtMonkey: Even Bobo gets to mock him quite a bit.
* DitzyGenius: Theoretically omnipotent and omniscient...unfortunately, he's a complete wimp and sad sack with no initiative.
* InsistentTerminology: Observer states he doesn't have a body. Except, you know, for the fact he actually ''does'' have one.
-->'''Observer:''' ''(after being thrown onto a grenade to protect others)'' It's a good thing I don't have a body!
* InTouchWithHisFeminineSide: And looks surprisingly decent in a nurse's outfit.
* {{Pacifist}}: Subverted. His race doesn't believe in war. They kill only out of personal spite.
* TheOmniscient: Claims to be this, but [[NotSoOmniscientAfterAll actions speak louder than words...]]
* OneSteveLimit: ''All'' of his species are named "Observer", which leads to this when they reunite!
-->'''Observer:''' ''(sees Mike!Observer)'' Observer! ''(sees Paul!Observer)'' Observer!
-->'''Mike!Observer:''' Oh, Observer...
* OnlyKnownByTheirNickname: Mostly. Very few people ever call him Observer.
%%* OnlySaneMan
* PowerCreepPowerSeep: Apparently, spending time with Pearl has weakened his powers. When confronted by other Observers, Observer said he'd blight Mike with his powers - and ended up giving Mike a new tie.
-->'''Observer:''' ''(puzzled at first, then...)'' [[HandWave AHA! No one wants a tie for a present! Can't you see what a terrible gift that is?]]
* SufficientlyAdvancedAlien: Parodied. Once, Observer huffed at Pearl, "I'm not ''that'' omnipotent, Pearl!"
* TransparentCloset: Inverted. Everyone ''but'' Observer are shocked by his CampGay behavior, such as dressing as a nurse or wearing drummer outfits. When he takes some condoms, he tells Pearl it's for his many ... ''[[BlatantLies lady]]'' [[HaveIMentionedIAmHeterosexualToday friends]].
[[/folder]]

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