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Characters / Teenage Mutant Ninja Turtles (1987)

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Characters as they appeared in, and characters exclusive to or making their debut in, the 1987 Fred Wolf-produced TMNT cartoon. For tropes relating to other incarnations of the characters featured in this cartoon, please visit the franchise character page.

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     The Turtles as a whole 

  • Adaptational Heroism: Although they were the protagonists of the comic, the Turtles were more morally grey in many areas. They were originally trained simply to kill the Shredder to avenge Splinter's Master Yoshi and most of their adventures afterwards were less about saving the day and more about a situation they were dealing with that affected them. In this series, and all following after, the Turtles are instead genuine do-gooders who use their skills to help people, not just people they know, regardless of whether or not the bad guy in question is one of theirs.
  • Airplane Arms: The turtles consistently run like this.
  • Badass Family: The turtles and Splinter, undeniably so.
  • Bald of Awesome: By virtue of being hairless reptiles.
  • Color-Coded Characters: In the Mirage comics, the Turtles all wore red bandanas (not that it mattered much in a black-and-white comic), leaving their distinct weapons as usually the best way to tell them apart. Obviously, this series didn't go that way - giving Leonardo blue, Donatello purple and Michelangelo orange, while Raphael kept red. All succeeding adaptations have maintained this approach.
  • Divergent Character Evolution: The Turtles were more or less identical in the original comics, but the 1987 series gave them different colored bandanas and the toys based on that series gave them different skin tones.
  • Foil: All four of them as a group and in pairs.
  • Four-Temperament Ensemble: To quote the theme song: Leonardo leads (phlegmatic); Donatello does machines (melancholic); Raphael is cool, but crude (choleric); Michelangelo is a party dude (sanguine).
  • Happily Adopted: The Turtles love and respect Splinter as if he were their real father.
  • Hero with Bad Publicity: They constantly suffer this, courtesy of April's boss Burne Thompson. It gets even worse during the Red Sky seasons, where after Shredder blows up the Channel 6 building, Burne, blaming the Turtles for it, goes full J. Jonah Jameson on them and does everything possible to make them look bad, and when Dregg uses propaganda to turn the entire city against them.
  • Highly Visible Ninja: They can frequently be seeing putting around on a blimp. With a giant "Turtles" on it. Not to mention the Turtle Van, which was customized with armored plates resembling turtle shells and laser turrets on the roof.
  • Metamorphosis: From turtles to humanoid turtles.
  • Named After Somebody Famous: They are all named after iconic Renaissance artists.
  • Ninja: They are ninjas.
  • Totally Radical: Justified with the turtles, since, in the first episode, Michelangelo tells April that they learnt all about humans from watching TV.
  • Trademark Favorite Food: Though pizza is the favorite food of all four turtles, Michelangelo eats it more obsessively than the other three.
  • True Companions: Badass Family plus friends.
  • Undying Loyalty: To each other and to Splinter.

Voiced by: Cam Clarke

Leads. Identifiable by his blue bandana and his twin swords.

Voiced by: Barry Gordon, Greg Berg (some episodes)

Does machines. Marked with a purple headband, and fights with a bo staff.

  • Anti-Hero: The Dark Turtle, his one-episode Secret Identity.
  • Badass Adorable
  • Badass Bookworm
  • Badass Pacifist
  • Beware the Nice Ones: When he becomes the Dark Turtle, his normally level-headed personality suddenly transforms into a rage-filled vigilante.
  • Cassandra Truth: In "Too Hot to Handle".
  • Catchphrase: Donatello's catch phrase was "That was my favorite bo".
  • Gadgeteer Genius: Considering that he's self-taught, living in a sewer, and working mostly with scavenged junk, Don's inventing abilities are downright super-reptilian.
  • Genius Bruiser: He may be a nerd, but he can kick butt.
  • The Klutz: A trait that doesn't come up often— but if/when it does, it's always in the middle of a fight or stealth mission.
  • Likes Older Women: Donatello shows to have a little bit of a crush on April (like Michelangelo) despite only being a teenager and she's nearly thirty. Inverted with Irma who seems to have a slight crush on him at times.
  • Lovable Nerd
  • Mr. Fixit: If something breaks, whatever it is, it's inevitably Donatello who will fix it. He once got fed up with his brothers constantly nagging him to fix things.
  • Nice Guy
  • Number Two
  • Second Super-Identity: After an accident, Donatello becomes Dark Turtle.
  • Ship Tease: Donatello and Irma get some of this, though more from Irma than from Donatello.
  • Simple Staff: Fights with a bo staff, which gives him good reach and the ability to pole vault, though they have a tendency to break.
  • Teen Genius
  • Took a Level in Badass: When he becomes the Dark Turtle, who singlehandedly defeated Rocksteady, Bebop AND Shredder.
  • Weapon of Choice: Simple Staff.
  • Wrecked Weapon: Donatello's bos were constantly getting broken. One wonders why he never upgraded to a steel pole or something a bit sturdier.

Voiced by: Rob Paulsen (most episodes), Thom Pinto (1989 alternate), Hal Rayle (European Vacation), Michael Gough (Season 10)

Is cool but rude. He wears red and fights with a pair of sais.

  • Adaptation Personality Change: This version of him is a sarcastic wise guy rather than an angry, sullen Jerkass. He's still the most overtly aggressive and temperamental of the Turtles, but nowhere near as much as other versions.
  • Badbutt
  • Big Brother Bully: To Michelangelo.
  • Birthday Hater: As shown in "Mr. Nice Guy," he gets far more bitter when his birthday comes up.
  • Dating Catwoman: He and Mona Lisa.
  • Deadpan Snarker: To the point where he should be the picture for the trope.
  • Early Installment Weirdness: Raphael was more similar to his comic counterpart initially, to the point where he threatened to kill Baxter Stockman if he wouldn't tell the turtles where Shredder was.
  • Jerk with a Heart of Gold: He's more abrasive than the others, but is still as heroic as the other Turtles. He loves his brothers, friends, and adopted father unconditionally.
  • Likes Older Women: Raphael for Mona Lisa, considering that he's still somewhere in his mid teens, and she's a college student who's probably in her late teens.
  • Medium Awareness: He sometimes makes remarks that break the fourth wall. One episode saw the Turtles realizing that an Evil Plan was in effect, leading to this exchange:
    Raphael: I'll bet Shredder is behind this!
    Michelangelo: How do you know that, dude?
    Raphael: Well, isn't he always?
  • Middle Child Syndrome: Played with. Raphael isn't the middle turtle, but he feels as if no one understands him.
  • Throwing Your Sword Always Works: Raph throws his sai a lot.
  • Would Hit a Girl: Raphael has absolutely no reservations about tackling Mona Lisa to the ground when he thinks she's trying to take over the ship they're sailing on.
  • Weapon of Choice: Sai Guy.

Voiced by: Townsend Coleman

Is a party dude. The most laid-back of the turtles, who lists among his interests pizza, comic books, and more pizza. Wears an orange-yellow bandana, and duels with nunchaku.

  • Badass Adorable: Silly, loves him some comic books, childish, always willing to crack a joke and and can kick tons of asses with his nunchucks.
  • Big Eater: He'd often annoy his brothers by eating all the pizza.
  • Brilliant, but Lazy: He's usually portrayed as having great potential, but because of his more laid back personality, he'll focus on something more fun instead. This is enforced with his Weapon of Choice (the chucks, see below). The laziest of the turtles is the one wielding the most complex and difficult weapon. That's not something one can do without a gift for it.
  • Butt-Monkey: If any of the Turtles klutzes out or has something bad happen to them for comic effect, it's usually Michelangelo.
  • Catchphrase: The most famous "Cowabunga!"
  • Cloudcuckoolander: Generally the most whimsical of the turtles.
  • Friend to All Living Things: He has had several pets in the past, including his pigeon Pete and his parrot Ditto.
  • Fun Personified
  • The Heart: Although he exasperates his three brothers on a constant level, when a serious rift between their bond takes place, he usually is the one to try and patch things up... usually via humor.
  • Keet
  • Kid-Appeal Character: Indeed was the most loved by young viewers.
  • Large Ham
  • Leeroy Jenkins: He doesn't usually think of a strategy before heading into battle.
  • Likes Older Women: Michelangelo has been shown to have a little bit of a crush on April, despite only being a teenager and she's nearly thirty.
  • Nice Guy: Easily the friendliest, most outgoing and most soft-hearted of the Turtles.
  • Plucky Comic Relief: He got this role in the show and held onto it throughout all other incarnations.
  • Spell My Name with an "S": When he's briefly turned into a human, and goes, "Look out world, here comes Michael Angelo! Michael J. Angelo, that is!"
  • Surfer Dude: He talks like a California surfer.
  • Weapon of Choice: Fighting with Chucks.
  • Wolverine Publicity: Gets much more attention in the merchandise than the other Turtles.

Voiced by: Peter Renaday, Townsend Coleman ("Donatello's Badd Time," "Michelangelo Meets Bugman Again")

Formerly human Hamato Yoshi mutated into a ratlike form. He serves as the turtles' mentor and father, raising them from when they were young. Taught them to be ninja teens.

  • Cassandra Truth: While trapped inside Shredder's body, Splinter had a hard time convincing the Turtles about the whole situation. However, Splinter helped the Turtles realize that he was telling the truth through wise wisdom and the fact he was not willing to fight them.
  • Characterization Marches On: He's seen eating pizza in an early season two episode. The series later established that he personally can't stand pizza.
  • Cool Old Guy: Sometimes joins the Turtles in their pastimes, such as basketball.
  • Composite Character: In the original comics, Hamato Yoshi was murdered and his pet rat became mutated into Splinter. In this version, Yoshi himself is mutated into a rat-man. A rather poignant episode lampshaded the fact that Splinter was pretty lonely because of this, since he couldn't interact with other humans anymore. He was mostly a quiet man after all.
  • Deadpan Snarker: Fans tend to agree that he has some of the best lines in the show.
  • Dub Name Change: In the Japanese dub, his name is Yoshihama Takeshi, since "Hamato" isn't an actual Japanese surname.
  • Heroic Sacrifice: Splinter destroys the Retro-Mutagen Ray to save the turtles from Shredder, which was the only way to return to being human again.
  • Heroic Willpower: Splinter was shown to have strong willpower as he was able to control his brain waves, even trapped inside Shredder's body.
  • Metamorphosis: Human to rat.
  • Vague Age: Splinter sounds and acts like a very old man, but in his human form he can't be above early 40's.

Friends and Allies

     April O'Neil 
Voiced by: Renae Jacobs

The most-iconic version of the Turtles' sidekick and evangelist. April Harriet O'Neil is a television reporter for Channel 6 News and one of the turtles' first human friends and allies. Easily-spotted by her red helmet of hair and yellow jumpsuit.

  • Absolute Cleavage: Subverted. Although April's jumpsuit was occasionally left open enough for this trope depending on the artist, her cleavage was usually left undrawn whenever this happened, as seen in her character modelnote . Fan artists, on the other hand...
  • Adaptational Job Change: In the original comics, she was Baxter's assistant and owner of an antique store. Here, she's a news reporter.
  • Animorphism: April underwent multiple brief mutations over the course of the series, though each of these mutations was reversed by the episode's conclusion.
  • Bag of Kidnapping: Happens to her in the episode "Turtles on the Orient Express".
  • Belly Dancer: April and Irma are dressed like this in the episode "Shredderville".
  • Bound and Gagged: She always ended up being bound and gagged by the bad guys, especially during the earlier seasons, to the point that the turtles can even recognize her mumbles.
  • The Chick
  • Cool Big Sis: April was somewhat like this to the turtles considering she is older than them at 28.
  • Cursed With Awesome: April is turned into a fish mutant in one episode. She's understandably upset about it, but it saves her life when the villain's base is flooded and she's able to breathe underwater like the Turtles.
  • Cute Bruiser: Sometimes.
  • Damsel in Distress: April is frequently kidnapped by Shredder, quite often as bait in order to lure the Turtles out of hiding in order to unleash his latest attempt at destruction upon them. Turtles Forever exploited this plot device to comic effect when the 2003 Turtles arrived in the "1987" Turtles' dimension, with 1987 Donatello commenting that they saved April at least once a day to the extent that watches could be set by it.
  • Damsel out of Distress: Depending on the Writer.
  • Demoted to Extra: After Carter showed up, April was relegated to sitting in her apartment and researching stuff on the Internet for all of Season 9 and the first few episodes of Season 10. Fortunately, she started taking a more active role in the final few episodes once Carter was written out.
  • Fainting: Occurs after she first sees the turtles (like many incarnations).
    Michelangelo: She ain't no fun, she fainted.
  • Hot Goddess: April wearing a magical amulet in the episode "The Lost Queen of Atlantis".
  • Iconic Outfit: Her yellow jumpsuit.
  • Idiot Ball: She occasionally becomes so reckless in trying to get a good story that she doesn't consider the potentially fatal outcomes some of her attempts may lead to.
  • Intrepid Reporter: She was employed by Burne Thompson, though due to her headstrong nature and passion for her work.
  • Married to the Job
  • Older Than They Look: She is 28 years old, considering that she looks like she just hit her twenties, but is almost thirty.
  • Plucky Girl
  • She Cleans Up Nicely: In the episode "April's Fool". Of course, April is always hot no matter what. It was just nice to see her in something other than a yellow jumpsuit for a change.
  • Unfazed Everyman: After her intial scream and/or faint upon meeting the Turtles she becomes this.

     Irma Langinstein 
Voiced by: Jennifer Darling

April O'Neil's boy-crazy best friend. She has a crush on Donatello, though shows interest in several male characters throughout the series.

Tropes associated with Irma:
  • All Women Are Lustful: Irma's boy-craziness is one of her most defining traits. She is forever pining after a dream boyfriend, and always interested in the possibility of scoring a date. Species is no object, either.
  • Ambiguously Jewish: The name is Jewish, or at least sounds Jewish, but that's the only clue.
  • Anything That Moves: She's so desperate for a boyfriend that she'll flirt with (or just fantasize about being with) almost anyone as long as they're male. In one episode she ends up falling for a robotic policeman.
    April: Forget it, Irma. He's not human.
  • Apologizes a Lot: In "The Turtle Terminator", she repeatedly apologizes whenever she accidentally hurts Shredder.
  • Attack of the 50-Foot Whatever: In "Attack of the 50 Foot Irma" she is accidentally enlarged by an enlarging ray powered by Exaporon, by Krang (who meant to fire the beam at Shredder). Upon being giant, Irma's clumsiness gets the better of her. Eventually, the Turtles manage to shrink her back to her normal size.
  • Belly Dancer: April and Irma are dressed like this in the episode "Shredderville".
  • Beware the Nice Ones: She was able to defeat the Rat King after he paid more attention to April than her. Heck, Irma easily dropped four Zerg Rushing Foot Soldiers (on board the freaking Technodrome, no less) in "Super Irma." When properly motivated, she takes a level in badass.
  • Brainy Brunette: Brown-haired Hollywood Nerd type.
  • Canon Foreigner: She was created for the 1987 animated series.
  • Character Development: She went from a generic boy-crazy ditz to a Genki Girl with a Hidden Badass side.
  • Cute Clumsy Girl: Cute is a matter of opinion, but she's certainly clumsy.
  • Damsel in Distress: Many times like April.
  • Damsel out of Distress: Depending on the Writer.
  • Deadpan Snarker: Tends to react with a lot of dry sarcasm to all the looniness she gets involved in.
  • Desperately Craves Affection
  • Genius Ditz: She's boy-crazy and kind of silly, but also very smart.
  • The Klutz: She is really a klutz tending to step on people's feet and often addressed as this by others including Bebop and Rocksteady.
  • Mars Needs Women: Inverted. Her obsession with finding a romantic partner eventually reduces her to craving for monsters, mutants, and even the Turtles themselves at one point. She bonded the most with Donatello during the course of the series.
  • Meganekko: She wears large nerdy glasses at all times.
  • Put on a Bus: Halfway through the 8th season, she stopped appearing on the show.
  • Ship Tease: With Donatello.
  • Took a Level in Badass:
    • In "Super Irma", Irma gets hit by a beam from a magnet, which made her think she had gained super powers. She then changes into a leotard, cape, and knee-high boots in an outfit in design similar to Wonder Woman.
    • In "Shredder Triumphant!" once she gets ahold of a blaster, she destroys the back of Krang's android body and disarms Shredder with a few key blasts, enabling Donatello to send the Technodrome back to Dimension X without the villains on board.
  • Vague Age: Irma looks and acts like a young teenager but is apparently old enough to own an apartment and have a steady job.
  • Whole Costume Reference: She dresses (and looks, with her hairstyle, coloration and glasses) like Jeanette from Alvin and the Chipmunks.

     Vernon Fenwick 
Voiced by: Pat Fraley (Season 1), Peter Renaday (Season 2 onward), Townsend Coleman ("Michelangelo Meets Bugman Again")

April's cameraman, who is constantly trying to climb the corporate ladder and steal April's job.

Tropes associated with Vernon:
  • Butt-Monkey/The Chew Toy: He often suffers humiliating misfortunes, but a lot of times he has it coming.
  • Camp Straight: He's very effeminate and such, but he's sometimes implied to be attracted to Irma.
  • Canon Foreigner: He was created for the cartoon.
  • Characterization Marches On: In season 1 he was friendlier with April, and helped her get the scoop on Krang's attack in New York even though she was in trouble with Burne at the time.
  • Dirty Coward: Often flees at the first sign of danger, leaving April on her own.
  • Face–Heel Turn: 8th season. Shortly before the entire Channel 6 staff was Put on a Bus, Vernon Fenwick ends up siding with Burne Thompson, and agreeing that the Turtles are a menace to society, and all because they didn't save the Channel 6 building from Shredder's explosive device in time.
  • Hate Sink: Starting in Season 2, where he becomes more cowardly and selfish as well as antagonistic to both April and the Turtles, likely to justify his Butt-Monkey status.
  • Hypocrite: Will knock others for showing any cowardice despite being a huge one himself, such as in "The Case of the Killer Pizzas".
  • Jerkass: He's mean to April and the Turtles, often for no good reason.
  • The Load
  • No Celebrities Were Harmed: He's often portrayed as analogous to Geraldo Rivera.
  • Put on a Bus: Halfway through the 8th season, he stopped making appearances.
  • Real Men Wear Pink: He literally has a pink shirt. But given his Dirty Coward traits, the "real man" part is highly questionable.
  • The Rival: Sometimes he tried to take April's place as a news reporter.
  • Sitcom Arch-Nemesis: In general, he plays the role of a smaller antagonists for the Turtles. Vernon and Burne Thompson often blamed the Turtles for crimes they are seeking to prevent.
  • Small Name, Big Ego: He thinks he's the best there is in the news business.
  • Took a Level in Jerkass: He goes from someone who's April's friend for the most part as well as part of her main newscrew in season 1 to a rival reporter constantly trying to steal all her jobs.
  • Ungrateful Bastard: Like Burne, he strongly believed that the Turtles were a menace to society and often actively participated in Burne's anti-mutant campaigns, even though the Turtles had saved his life on many occasions.
  • Yes-Man: To Mr. Thompson, his boss.

     Burne Thompson 
Voiced by: Pat Fraley, Townsend Coleman (some episodes of Season 3)

The boss of Channel 6 news. He's very bossy and dislikes the Ninja Turtles, though he allows April's reports to paint them in a positive light.

  • Canon Foreigner: He was created for the cartoon.
  • The Chew Toy: Not as much as Vernon, but he usually does wind up on the receiving end of some negative karma, especially depending on just how much of a Jerkass he is within the episode.
  • Da Editor: He gets on April's case for reporting positive stories about the Turtles.
  • Everyone Has Standards: Despite his dislike of the Turtles, even Burne thought A.J. Howard's anti mutant campaign was going too far.
  • Face–Heel Turn: After the Channel 6 building is destroyed, Burne went from a grouchy neutral figure to an antagonist who started broadcasting news stories to paint the Turtles as criminals.
  • Fat Bastard: He's overweight and not very nice to April or the Turtles.
  • Fat Slob: His action figured portrayed him with his shirt unbuttoned and stained, chewing with his mouth open, and with paper stuck to his shoe.
  • Hate Sink: Like Vernon, his main role in the series is to constantly blame the Turtles no matter what they do all for the fans to hate him.
  • Irrational Hatred: In the Red Sky episodes, Burne blames the Turtles for the destruction of the Channel 6 Building and goes J. Jonah Jameson on them.
  • Jerkass: Never gives any respect towards April and is very unrelenting to the Turtles.
  • May–December Romance: Has a younger, airheaded girlfriend called Tiffany, who is implied to be the reason he hates the turtles. Notably when she asked how old he was, Burne said he was thirty something, while his employees were celebrating his fiftieth birthday.
  • Mean Boss: He tends to yell at his employees, particularly Vernon.
  • Reasonable Authority Figure: Probably his one redeeming trait is even though he's a huge jerk and has some major biases, he's (mostly) a fair newsman. This is best displayed in "Return of the Shredder" where despite his hatred of the turtles he still runs April's report that clears their names after the Shredder framed them, even though doing so causes his equally turtle-hating girlfriend Tiffany to temporarily dump him.
  • Ungrateful Bastard: Downplayed in the earlier seasons, as while Burne would continually personally dislike the turtles, he'd also allow April to publish positive stories on the Ninja Turtles. Played straight in the Red Sky seasons; despite it being clear that the Turtles had tried to stop Shredder from blowing up the Channel 6 building, Burne still blamed them and resolved to turn the public against them.

     Mona Lisa 
Voiced by: Pat Musick

A human college student who was mutated into a lizard and fell in love with Raphael.

Tropes associated with Mona:

Voiced by: Bumper Robinson

A college student who seeks out Splinter in order to gain some ninja training. Becomes an ally of the turtles in their fight against Dregg.

Tropes associated with Carter:
  • Ambiguously Brown: He has brownish skin, but it's unclear whether he's African American or just has a tan.
  • Cursed With Awesome: In his debut appearance, he gains a Hulk-like mutation power that sporadically causes him to turn into a huge, muscular yellow-skinned mutant with a metal arm and spikes.
  • Magic Pants: Averted the first time he transforms, but played straight on all subsequent occasions.
  • Only One Name: He has no surname.
  • The Pirates Who Don't Do Anything: We never actually see Carter at college. Either his attendance rates are lousy, or his college has one heck of a long summer break.
  • Put on a Bus: Halfway through the final season, he's taken away to the future to get his mutation cured. We never see or hear from him again, so whether or not the cure was successful, we'll never know.

     Punk Frogs 
Voiced by: Townsend Coleman (Atilla the Frog), Jim Cummings (Genghis Frog), Pat Fraley (Napoleon Bonafrog), Nicholas Omana (Rasputin the Mad Frog)

Four ex-pet frogs who mutated into humanoid forms after being released into a region of the Okefenokee Swamp in Florida that had been contaminated by some lost mutagen. Shredder tracked them down and tried to train them as his own elite mutant warriors to take down the Turtles. Unfortunately for Shredder, they were naturally docile, and defected from his side to become allies of the Turtles.

  • Does Not Like Spam: They can't stand pizza.
  • Hulking Out: The episode "Napoleon Bonafrog: Colossus of the Swamps" had Napoleon turn into a muscular behemoth when enraged after exposure to a ray invented by Krang.
  • Let's You and Him Fight: They initially meet the Turtles in combat, but quickly realise they'd rather befriend the Turtles than serve Shredder.
  • Nice Guy: All four of them.
  • Non-Indicative Name: There's absolutely nothing "punk" about them. Also, Rasputin's full name is "Rasputin the Mad Frog". He's as nice and level-headed as his buddies.
  • The Psycho Rangers: Invoked and subverted. They were intended to be evil counterparts to the Ninja Turtles, but turned out to be too good-natured to stay evil.
  • Theme Naming: Like the Turtles, they were named by their human mentor's favorite historical figures/personal heroes. Of course, since that mentor was Shredder, he named them after tyrants and lunatics: Attila the Hun, Genghis Khan, Napoleon Bonaparte, and Rapustin.
  • Toyless Toyline Character: Attila and Rasputin never had toys, which is presumably why they got phased out.
  • Trademark Favorite Food: They like eating Chinese food and flies.

Voiced by: Rob Paulsen

A young boy who considers himself the "Fifth Turtle".

  • Kid-Appeal Character: He's much younger than the Turtles and his immaturity is rather blatant.
  • Older Than They Look. He claims to be "almost fourteen". He doesn't look it, or act like it. Maybe he was lying?
  • Put on a Bus: In season 7, he was phased from the show.
  • Sixth Ranger: He's trying his hardest to be one.
  • Tagalong Kid: Whenever he appears, he tries to join the Turtles on their missions.
  • The Team Wannabe: He's a regular human child who considers himself the "Fifth Turtle."

Voiced by: Thom Pinto (Dask), Pat Fraley (Zak), Tress MacNeille (Kala)

A group of elf-like aliens from Dimension X who act like beatnik hotrodders. Their dislike of authority and war made them fugitives in their home dimension. Kala, the female of the group, develops a crush on Michelangelo.

  • Actual Pacifist: Their defining trait is that they hate war and want to play instead, which is illegal in Dimension X.
  • Anime Hair: To insane degrees.
  • Beatnik: Their whole gimmick revolves around being alien beatniks, complete with the lingo. "Cool? Daddy-o, we are frozen!"
  • Human Aliens: They're aliens from Dimension X, but aside from the insane anime-pompadours and elfin ears, they look perfectly human.
  • Interspecies Romance: Kala with Michelangelo.
  • Pointy Ears: Part of their "anime elf beatnik hotrodder" motif.
  • ¡Three Amigos!
  • Two Guys and a Girl: Zak and Dask are the two guys with Kala being the girl.

     Casey Jones 
Voiced by: Pat Fraley

A crazed vigilante who goes after all sorts of crime, from armed robbery to littering: apparently adopting a "Filthy Harry" like persona.

  • '90s Anti-Hero: His crazy behavior sets him up as a parody of one, although amusingly his first appearance was in 1989, shortly before the concept's heyday.
  • Bare Your Midriff: A male example. It doesn't make him any less intimidating though.
  • Demoted to Extra: In this show, he is only a minor character who appears in 5 episodes.
  • The Faceless: It should be noted that you never see his face in the series, since he never takes off his mask, even when once going undercover in a business suit.
  • I Know Madden Kombat: Casey Jones attacked villains with various sports equipment like baseball bats and hockey sticks. In season eight, he gets a sword and faces off against Shredder, which could be a fencing reference.
  • No Celebrities Were Harmed: This version of Casey seems to be based on Clint Eastwood, especially with the "Filthy Harry" references.
  • Put on a Bus: Until the eighth season.

     Mondo Gecko 
Voiced by: John Mariano

A skateboarding mutant gecko who is friends with Michelangelo.

  • Evil Counterpart: To Michelangelo initially, being a hip skater mutated by the same mutagen that mutated the Turtles.
  • Heel–Face Turn: Mondo Gecko was a member of a gang who worked for "Mr. X". Michelangelo convinced Mondo Gecko to turn on Mr. X. Together they fought Mr. X. After this, Mondo Gecko ends his career as a criminal and moves to the sewers and becomes "neighbors" with the TMNT and Splinter.
  • Metamorphosis: From gecko to anthro gecko.
  • Non-Mammalian Hair: He has long black hair even though he wasn't human before his mutation.

The Foot Clan

     The Shredder 
Voiced by: James Avery (Seasons 1-6 and first half of Season 7), Dorian Harewood (some episodes of Season 3), Jim Cummings (In "Napoleon Bonafrog: Colossus of the Swamps" and most of the "Vacation in Europe" arc), Townsend Coleman (later half of Season 7), William E. Martin (Seasons 8-10)

Oroku Saki (also known as The Shredder) was the leader of the Foot Clan. He is the main villain of the show. Shredder was frequently assisted by his Mutant henchmen, Bebop and Rocksteady, and was bossed around by Krang, until season 10, where he was replaced by Lord Dregg.

  • Affably Evil/Faux Affably Evil: Depending on the Writer. Sometimes he's legimately capable of treating others with respect, and sometimes not.
  • Always Someone Better/Always Second Best: To Splinter, also Depending on the Writer.
  • Ambiguously Brown: Depending on the Artist. His skin is sometimes darker.
  • Arch-Enemy: To Splinter and the turtles.
  • Ascended Extra: The Shredder was killed in the first issue of the original comic. (Although he came back a few times, including in the form of a giant, mutant shark.) Here, he collaborates with Krang as the longtime Big Bad of the series.
  • Bad Boss: He frequently insults and belittles Bebop and Rocksteady and sometimes punishes them physically or uses them to test his last device or weapon. He also wasn't very nice towards Baxter Stockman when he was his lackey, sending him to Dimension X against his will and isn't particularly torn up when Krang announces his intention to disintegrate Stockman. In "Enter Mutagen Man", the titular Mutagen Man returns to Shredder having done the promised task in exchange for a cure for his mutation; Shredder responds by cutting the tube Mutagen Man needed to stay alive and revealed he never intended to turn Mutagen Man back into normal.
  • Baleful Polymorph: The "Mutazoo" ray gun Baxter acquires in one episode turns him into a regular housefly giving Bebop and Rocksteady the chance to boss him around while Michelangelo is transformed into a gerbil.
  • Big Bad: He and Krang are the main villains for the first eight seasons.
  • Big Bad Duumvirate: Shredder and Krang are the main villains of the show and almost always work together in their plans.
  • Big Bad Wannabe: In Turtles Forever. He thinks himself on par with his Utrom counterpart, but the latter sees him as worthless and takes control of the Technodrome and becomes the film's proper Big Bad.
  • Big Brother Bully: Shredder belittles and mocks his little brother Kazuo Saki.
  • Bond Villain Stupidity:
    • The Shredder proves himself more than a match for the turtles in armed combat, yet on many occasions when confronted he 'escapes', often with the words "another time turtles!" Why another time? Why not now!?
    • When Shredder does manage to capture one of the turtles, he never bothers to kill them right away when he has the chance. Sometimes one of his plans has actually managed to capture all four of them, but again, he never finishes them off as soon as he can.
  • Butt-Monkey: Shredder became one by the third season, as his defeats became more and more humiliating, such as being reduced to a child, trapped in block of cement, or turned into a tiny fly, among others. By the end of the seventh season he gets out of this territory. (Interestingly all three of those examples are ones where Dorian Harewood fills in as his voice.)
  • Cain and Abel: He has a younger brother named Kazuo Saki who works in law enforcement and is ashamed to be related to a criminal.
  • Chuck Cunningham Syndrome: After Shredder and Krang are defeated again at the end of "Turtles to the Second Power", they simply stop appearing in the show. Even in the show's final episode, when the Turtles explore the Technodrome's ruins, Shredder and Krang are nowhere to be found.
  • Corrupt Corporate Executive: Briefly as chairman of Octopus Inc. He seemed to be quite competent and had some success.
  • Create Your Own Hero: He ends up creating the Turtles. He poured a caustic chemical down the sewer where Hamato Yoshi was living in an attempt to kill him. The chemical turned out to be a powerful mutagen which made the Turtles anthropomorphic and transformed Yoshi into Splinter. Shredder tried to use this information to convince the Turtles to join his side, but they declined.
  • Darker and Edgier: The "Red Sky" episodes were more serious in tone and had Shredder become a more competent and dangerous villain.
  • Darth Vader Clone: Bucket helmet: Check. Mask: Check. Cape: Varies, but Check. Deep, menacing baritone: Check. And has a personal connection to the heroes: Check.
  • Deadpan Snarker: He sometimes makes remarks about Bebop and Rocksteady's incompetence and Krang's insistence on giving orders instead of doing things himself.
  • Demoted to Extra: In the ninth and tenth seasons, he was no longer the main focus and only appeared in a three-part episode before disappearing again.
  • Depending on the Writer: He got hit with this pretty bad considering his level of competence and maturity shifted with practically every writer. This made it so he either completely overpowered the turtles without breaking a sweat ("The Incredible Shrinking Turtles") or was on the opposite side of the spectrum and was completely defeated without even putting up a decent fight. ("The Case Of The Killer Pizzas")
  • Dragon-in-Chief: He sometimes falls into this starting in season 2, though the relationship between him and Krang is basically a Big Bad Duumvirate since the plan seems to be for both of them to rule the world.
  • Dub Name Change: The Japanese dub renames him Sawaki Oroku.
  • Enfant Terrible: As shown in the clips of his life from "Shredderville". He is seen angrily breaking toys as a baby and picking fights with other kids when he was a child.
  • Enraged by Idiocy: Bebop and Rocksteady's incompetence and stupidity is an endless source of annoyance and frustration for him, although he keeps using them.
  • Even Bad Men Love Their Mamas: The episode "Shredder's Mom" proves that even Shredder himself is not immune to this trope.
  • Even Evil Has Standards: He's completely shocked at the insanity and evil of his 4Kids counterpart in Turtles Forever, and teams up with the Turtles to stop him upon discovering that said counterpart intends to destroy the entire multiverse.
  • Evil Counterpart: To Splinter.
  • Evil Is Hammy: His hamminess is often as blatant as his villainy, especially in the episodes where Dorian Harewood voices him.
  • Evil Is Not a Toy: He falls prey to this in Turtles Forever, where he frees the 2K3 Shredder from his imprisonment in the hopes of forming a Villain Team-Up with him. The 2K3 Shredder is far more dangerous and competent than the 1987 Shredder ever was, and quickly usurps the former's plans and operations.
  • Evil Is Petty: There is almost nothing he wouldn't do to hurt the turtles.
  • Evil Laugh: He quite often laughs evilly.
  • Evil Me Scares Me: He is terrified of the 4Kids version when he meets him in Turtles Forever.
  • Friendship Moment: Much as he and Krang bicker when Dregg drains Krang's life energy in "A Turtle in Time", the wounded alien tells Shredder to escape without him, Shredder not only rescues Krang but uses some futuristic tech to give Krang a "life energy transplant."
  • Genius Bruiser: Ineffectual Sympathetic Villain portrayal aside, Shredder is still a skilled fighter, and repeatedly curb-stomps all four Turtles at once. As for the "genius" part, he's noted on at least one occasion to have an IQ of 300, having personally designed Krang's robot body.
  • Highly Visible Ninja: Even Shredder, a proclaimed "ninja master", wore outlandish Samurai armor and would often broadcast threats with as much pomposity as Dr. Doom.
  • Ineffectual Sympathetic Villain: Shredder is many times this, particularly in later crossovers after the initial story arc of the first season. This is the only version of him that qualifies.
  • Large Ham: He is especially hammy in episodes where he is voiced by Dorian Harewood.
  • Laughably Evil: He often provides some of the show's humor thanks to being highly conceited and having to put up with the idiocy of Rocksteady and Bebop.
  • Leeroy Jenkins: Much to Krang's dismay, he doesn't always think before he acts.
  • Mean Boss: The Shredder constantly abuses and insults Bebop and Rocksteady, though in his defense, he always does ensure they escape with him.
  • Meaningless Villain Victory: In "April Fool", Shredder manages to get away with a rare isotope. Unfortunately for the bad guys, the isotope is unstable under high atmospheric pressures (especially those deep within the Earth), and the sample explodes after the Shredder returns to the Technodrome parked many miles beneath the Earth's surface.
  • Not-So-Harmless Villain: Sometimes his plans involve destroying bakeries to get his hands on Cheese Danishes. Then there are times he goes as far as to blow up the Channel 6 building, with people still inside, to prove he's a threat.
  • The Only One Allowed to Defeat You: Shredder's attitude towards Splinter and the Turtles, so much so that they taunt him with it over the interstellar radio from a slave camp on Dimension X. His twisted code of ninja ethics forces him to bring them back to Earth...where they proceed to defeat Krang's bid for global domination.
  • Pet the Dog:
    • In "Turtle Trek" he mutates an alien named Gargon and promises to return him to normal if he lures the turtles into a trap. Shredder kept up his end of the deal before attempting to kill the turtles, even though he had no obligation to.
    • "A Turtle In Time" saw him rescue Krang from Dregg and even gives Krang some of his own life force to keep him from dying.
  • Pretty Boy: Surprisingly, Oroku Saki looks rather feminine and handsome without his helmet on.
  • Put on a Bus: Like all the Technodrome villains and the Channel 6 crew (except April), once the retool occurred.
  • Real Men Wear Pink: Surprisingly in one episode.
  • Shoulders of Doom: He has bladed armor over his shoulders.
  • Sibling Yin-Yang: The villainous Shredder's younger brother Kazuo Saki is actually a cop fighting for justice.
  • A Sinister Clue: His signature weapon is always on his left hand if he doesn't have two sets.
  • Spikes of Villainy: By way of wearing armor that's covered in blades.
  • Surrounded by Idiots: He laments this quite frequently.
  • Take Over the World: His goal is to take over the world.
  • Teeth-Clenched Teamwork: Between himself and Krang. They constantly bicker over their tactics and rejoice in each other's failings, and sometimes intentionally sabotage each other.
  • Trigger Phrase: Shredder in one episode thought he was Michelangelo when he was hit by his own holographic synthesizer accidentally. However, Shredder was hypnotized by Splinter into going between his and Michelangelo personalties whenever he would hear one of their names. Although, after being hit by the holographic synthesizer once again while acting as Michelangelo, Shredder reverted to his old self, which canceled out the hypnosis.
  • Vague Age: He's implied to be younger than Splinter, but exactly how much isn't made clear.
  • Victory Is Boring: In the episode "Shredderville," we're shown a reality where the Turtles never existed and Shredder has successfully conquered the world... but is so burdened by the task of ruling everything that he's suffered a nervous breakdown.
  • Villainous Crush: Strangely enough, Shredder sometimes seems blatantly attracted to April in some episodes. It really depends on the writer, though.
  • Villainous Friendship: He and Krang have this.
  • Villains Out Shopping: As revealed in "Mr. Ogg Goes to Town," he collects antique ceramics as a hobby.
  • Would Hit a Girl: Shredder has no problem physically threatening April and Irma in multiple episodes.

Voiced by: Pat Fraley, Townsend Coleman (some episodes of Season 3)

An alien general fighting a losing war, and who turns to Earth for assistance. A small, brain-like creature, he often uses a robotic exoskeleton to move around.

  • Bad Boss: He often insults Shredder and never hesitates to make his life miserable if he think he can get away with it. In the first episode of season 2 he sends Shredder to Earth without any supplies or soldiers, and in a later episode made him wait for supplies on a garbage barge just to annoy him. Also like Shredder he doesn't hesitate to abuse Bebop and Rocksteady verbally and physically and tried to kill Baxter Stockman because he didn't see any use for him in Dimension X, accidentally turning him into a fly mutant.
  • Big Bad Duumvirate: Along with the Shredder, he is the main threat for most of the series.
  • Bizarre Alien Biology: His brain, having been scooped out of its original skull, can survive perfectly well on its own in the open air and has primitive arms (tentacles), eyes and a fang-filled mouth in its own right.
  • Canon Immigrant: Began as a creation of the Fred Wolf cartoon, where he merely looked like the Utroms, but has since been used in other series.
  • Dark Lord on Life Support: Krang's android body is a variation. He doesn't need it to survive, he just needs it to survive as anything but a barely mobile brain-like creature.
  • Even Evil Has Standards: In the Red Sky Seasons, Krang tells Dregg he is insane after the villain reveals his plan to teleport parts of the Earth into the Sun.
  • The Exile: Part of his backstory is that he's an exiled warlord from Dimension X.
  • Expy: His appearance of a tentacled brain-like creature operating a humanoid robot from its stomach is based on the more benign Utroms of the original Mirage comics, while his desire for interplanetary conquest and destruction appears to be borrowed from the Triceratons. Though considering he is a cousin to Kraang Sub-Prime in the Nickelodeon series, this could mean he is an Utrom.
  • Fat Bastard: His android body gives him the appearance of one due to resembling an overweight man.
  • Friendship Moment: In the three parter during the final season, Krang, having been drained of his life energy, tells Shredder to escape by himself, but Shredder insists on rescuing Krang.
  • Genius Bruiser: With his robot body, he's a super genius who is physically stronger than Bebop and Rocksteady.
  • Genius Cripple: Sure, he's a genius. (His IQ is in the 900s) But as a brain, there's not much he can do on his own. Without his biosuit, he's pretty much helpless.
  • Hypocrite: Repeatedly insults Shredder, dismissing him as useless, and keeps relying on him to carry out his plans anyways. Often Krang relies on Shredder for his plans without even bothering to personally lend a hand himself. At the start of the second season, Krang sends Shredder back to Earth due to his past failure against the turtles, even though Krang also failed to kill the turtles and told Shredder he needed his help when facing them.
  • Hypocritical Humor: In "The Big Rip-Off" he refers to Bebop and Rocksteady as Shredder's idiotic mutants, to which Shredder complains "Why is it whenever they screw up, they are my idiotic mutants?" But when they actually succeed on a job, Krang refers to them as "my mutants." Apparently Krang only considers them Shredder's mutants when they fail.
  • Insufferable Genius: Krang is brilliant, but not easy to work with.
  • Jerkass: He insults and belittles Shredder all the time, and goes out of his way to make things difficult for his allies when he thinks he can get away with it. For example, in "Return of the Shredder" while he allows Shredder to return to New York, but denies him any tech or help, forcing Shredder to work on his own. Then there's his reasons for preventing Bebop and Rocksteady to return as well;
    "Because, I enjoy watching people and animals suffer! And you, my friends, are both!"
  • Laughably Evil: He sometimes childishly mocks Shredder, Bebop, and Rocksteady for their incompetence.
  • Leitmotif: Has one and a remixed version of it plays in the video games where he's fought as a boss.
  • Lost in Imitation: The Fred Wolf Krang actually did not look so Utrom-like naturally; his body was destroyed, leaving him a disembodied brain, before he was exiled to Earth. His true form was... well, see Reptiles Are Abhorrent below.
  • Mark of Shame: He was reduced to his brain-like state by the people who exiled him, and he is quite embarrassed about it.
  • Negative Continuity: While it was established early on that Krang was reduced to being a disembodied brain after being stripped of his body, some episodes, like "The Three Musketurtles", suggested that he was naturally brain-like.
  • Orcus on His Throne: Krang is far less active than Shredder. This was justified in the first two seasons. Season 1, Krang didn't have his robot body until Shredder built it in the finale, and once it was finished he did face the turtles himself. During Season 2, Krang is trapped in Dimension X and isn't interested in the Earth until the finale. For the rest of the series however, Krang would frequently come up with a plan but didn't bother leaving the Technodrome, instead relying on Shredder. There were episodes where Krang would get involved but more often than not he didn't bother to dirty his hands.
  • Put on a Bus: Like all the Technodrome villains and the Channel 6 crew (except April), once the retool occurred.
  • Real Men Wear Pink: He is once shown watching a culebrón and being driven to tears by it.
  • Reptiles Are Abhorrent: The episode "Invasion of the Krangazoids" shows us what Krang originally looked like — essentially a vaguely anthropomorphic Tyrannosaurus Rex with an overlarge cranium.
  • Strong as They Need to Be: How powerful Krang's robot body is depends on the episode. Sometimes it can take on all four turtles, "Krangenstein Lives" going as far as presenting it as The Juggernaut, while other times it can't handle them one on one.
  • Surrounded by Idiots: Krang actually says a variation of this in "The Dimension X Story". "Morons! I'm surrounded by morons!"
  • Teeth-Clenched Teamwork: Between himself and Shredder. They constantly bicker over their tactics and rejoice in each other's failings, and sometimes intentionally sabotage each other.
  • Villainous Friendship: Despite being a Bad Boss to Shredder, he does show some concern for him.

     Bebop and Rocksteady 
Voiced by: Barry Gordon, Greg Berg (Some episodes) (Bebop); Cam Clarke (Rocksteady)

Human gang members who were mutated into a warthog and rhino respectively, and serve as henchmen to the Shredder. Neither of them are particularly bright.

  • Animorphism: Were transformed from humans to humanoid animals by the mutagen. In the Archie comics, this eventually starts influencing their mind.
  • Bald of Evil: Rocksteady had blonde hair in his human form, but he inexplicably went bald after he mutated into a rhino.
  • Beware the Silly Ones: Initially. They're still Dumb Muscle, but they're also pretty tough and significantly stronger than the turtles, to the point that they could seriously threaten the turtles — they had to be out-thought rather than simply beaten up.
  • Bumbling Henchmen Duo: The two are a pair of muscle-bound, but dim-witted and cowardly minions of Shredder.
  • Canon Foreigners: Created for the franchise as part of the Fred Wolf cartoons.
  • Cool Shades: Bebop constantly wears these.
  • The Dividual: They are two villains who are almost never seen apart and don't have any traits to distinguish them. They actually lampshade this after hearing about how Shredder and Splinter's switched bodies that it's a good thing it didn't happen to the two of them instead.
  • Dual Boss: In a few of their video game appearances (namely the arcade games), they're fought as a pair.
  • Dumb Muscle: Justified; they were always dimwitted punks and toughs, and Shredder simply tried to upgrade their physical prowess.
  • Expressive Mask: Bebop's sunglasses were sometimes depicted in this manner.
  • Flanderization: While they weren't exactly geniuses in the first season, they were still extreme physical threats to the turtles, especially in their second appearance after being mutated. From that point on, they became more or less ineffectual against them, and even some humans.
  • Goofy Print Underwear: Rocksteady is wearing heart-print boxers when Leonardo cuts through his belt.
  • Harmless Villain: At least from the second season on. They were always idiots, but after the first season, their stupidity grew to the point they were completely ineffectual. They also became a lot more laid back and put-upon as well.
  • Hidden Depths: In the finale of the 2012 series, once the 1987 Turtles tell them they don't have to work for the Shredder and Krang and can do what they want, Rocksteady reveals he actually wants to be a personal injury lawyer and Bebop wants to be a dancer.
  • Hypocritical Humor: One of Shredder's plans involved using dinosaurs to destroy the Turtles, and he has Bebop and Rocksteady try to train them, with predictable results. When Shredder browbeats them as to why they can't get this task done, Rocksteady replies "It's not easy to get dinosaurs to obey", with Bebop chiming in "Yeah, they're all muscle and no brain." Shredder, hit by the inherent irony of this statement, pauses, turns to the camera and deadpans, "I won't say it- it's too easy."
  • Insane Troll Logic: Once when they note they are eager to go up to the surface to beat up the turtles, Shredder notes that they are more likely to get beat up by the turtles. Rocksteady states it doesn't matter as long as somebody gets beat up.
  • Laughably Evil: Unavoidable, since they're pretty dumb and often end up screwing up their bosses' plans in hilarious ways.
  • Lightning Bruiser: They both possess incredible strength, power, toughness, as well as great speed.
  • Metamorphosis: Changed from human thugs into a warthog and a rhinoceros.
  • The Millstone: On many occasions Shredder may well have won if not for their bumbling. Of course then there would be no more show. They even end up costing Utrom Shredder an otherwise clear-cut victory in Turtles Forever.
  • Musical Theme Naming: Bebop's name is derived from a form of jazz, while Rocksteady's comes from a precursor to reggae.
  • Pig Man: Bebop, being a humanoid warthog.
  • Psychopathic Manchild: Bebop and Rocksteady were shown to spend a lot of their downtime playing video games, reading comic books, and watching cartoons. Bebop even was shown to still believe in the Tooth Fairy when he heard Shredder sarcastically say "No, it's the Tooth Fairy" in response to Rocksteady asking him if he was The Shredder.
  • Put on a Bus: Like all the Technodrome villains and the Channel 6 crew (except April), once the retool occurred.
  • The Quincy Punk: Bebop has a purple mohawk and a nose ring.
  • Rhino Rampage: Rocksteady is a mutant rhinoceros.
  • Right for the Wrong Reasons: When Shredder locks the two up in "Night of the Rogues" they assume that being locked up for so long means that Shredder was in trouble and didn't come to release them. Shredder had no intention of letting the duo out and instead planned to rely on the assembled villains to defeat the turtles. But when the turtles blew up the Space Pirate ship with the treasure that Shredder was going to pay the rogues with, they turned on him and Bebop and Rocksteady arrive just in time to save him.
  • Salt and Pepper: Rocksteady's human form was Caucasian and Bebop's was African American.
  • Simpleton Voice: Both of them speak in voices that make their idiocy apparent.
  • Super Strength: Bebop alone can singlehandedly pick up a car and throw it at the turtles. Rocksteady is implied to be even stronger. This is why it's so important that the Turtles can out-think them, as they're actually pretty dangerous if they can get a grip on you.
  • Token Minority: Technically Bebop counts considering he was African-American before his transformation.
  • Villainous Friendship: They get along very well, better than the turtles even.
  • Villains Out Shopping: As stated above, the two often play video games, read comics, and watch cartoons when not carrying out Shredder's plans.

     Foot Soldiers 

  • Conservation of Ninjutsu: Ridiculously prone to this. The Turtles plow through them with ease even when the Foot Soldiers outnumber them.
  • Faceless Goons: The rank and file ninja have virtually no defining characteristics.
  • Ninja: They are ninjas.

The Dreggnaught

     Lord Dregg 
Voiced by: Tony Jay

An alien warlord from Dimension X with aspirations to take over Earth. Stop us if this sounds familiar...

Tropes associated with Lord Dregg:
  • Bad Boss: He ejects Hi-Tech into space in the season 10 premiere, leaves Mung to be swarmed by Nanobots, and absorbs the mercenaries he hired to gain their powers.
  • Big Bad: He is the main villain for the last two seasons of the Fred Wolf cartoon, replacing Krang and Shredder.
  • Engineered Public Confession: At the end of Season 9, April manages to out Dregg as a villain by presenting a videotape of Dregg gloating to the Turtles about how the Earth will finally surrender to him and there's nothing they can do to stop him.
  • Evil Sounds Deep: Like most characters played by his voice actor, he has a deep and menacing voice.
  • Final Boss: The last villain the Turtles face in the 1987 series. After the Final Battle, Splinter even admits the Turtles they have finally surpassed him.
  • Killed Off for Real: Dregg is apparently killed when Krang's suit, which had gripped onto him, self-destructs after being thrown into Dimension X.
  • Knight of Cerebus: An appropriate villain for the darker "Red Sky" seasons.
  • Hurl It into the Sun: One of his final plans involved teleporting cities of Earth into the Sun.
  • Manipulative Bastard: After trying to defeat the Turtles by force fails, he tries using propaganda against them.
  • Motive Decay: Deconstructed in Season 10. His actions in Season 9 were part of his larger goal of conquering the universe. However, he keeps losing to the Turtles and becomes obsessed with destroying them. Mung even points this out in the last episode.
  • My Brain Is Big: His brain is giant, and throbbing. When he absorbs Krang's mind, somehow an image of Krang even appears out of it!
  • Obviously Evil: He's a giant alien with a huge brain, glowering red eyes, and large fangs. Somehow he still managed to convince the citizens of Earth he was a good guy.
  • Revenge Before Reason: His vendetta against the Turtles in Season 10 costs him everything, even his life.
  • Toyless Toyline Character: As with other characters introduced in the Red Sky seasons, Dregg never had any merchandise, presumably because of the show losing popularity and the toys at the time simply being variants of the Ninja Turtles.
  • Villainous Breakdown: Goes from being calm, and collected to entirely focused on killing the Turtles.
  • Villain with Good Publicity: He initially uses propaganda to turn the citizens against the Turtles and trick them into thinking he's a peace-loving alien who wants to help them. This lasts until the season nine finale thanks to his being unable to fight off the Monster of the Week Doomquest, and April presenting taped evidence of his evil.
  • You Have Failed Me: Dregg is a lot more willing to punish failed subordinates than Krang or Shredder ever were, to the point of giving his right-hand man a Fate Worse than Death in the Season 10 premiere.

     The Hi-Tech 
Voiced by: Rob Paulsen (Season 9), Cam Clarke (Season 10)

Dregg's minion

Voiced by: Cam Clarke

Hi Tech's replacement in Season 10

Other Major Villains

     Baxter Stockman 
Voiced by: Pat Fraley

A mad scientist and creator of the mouser robots.

  • Adaptational Heroism: Downplayed. While his comic counterpart was a one-dimensional monster to the end, 1987 Baxter was a well-meaning, yet misguided scientist before he crossed paths with the Shredder and became affiliated with him.
  • Animorphism: Eventually gets turned into a fly.
  • Anti-Villain: He started out as somewhat sympathetic and only wanting to use his Mousers to benefit humanity, but he went crazy after siding with the Shredder. It got worse when he became a fly.
  • Art Evolution: His design between the first two seasons changed a bit, with his hair becoming longer and messier, and his stature becoming shorter than it originally was.
  • Attention Deficit... Ooh, Shiny!: In his later episodes he would sometimes suffer from this due to having the mind and attention span of a fly.
  • Body Horror: His fly-man form isn't exactly pretty.
  • Butt-Monkey: Prior to his transformation into a fly mutant, he often got pushed around and subjected to slapstick.
  • Cut Lex Luthor a Check: Baxter starts out trying to sell his Mousers to exterminators, but no one was willing to invest. Ironically, it wasn't because they thought the Mousers wouldn't work, but that they would work way too well and put the exterminators out of business.
  • The Dragon: He was briefly the Shredder's right-hand man prior to his transformation.
  • Evil Is Hammy: He's often prone to giddy gloating even when nobody is listening.
  • Four Eyes, Zero Soul: He wears glasses and is a bad guy.
  • Horrible Judge of Character: He agrees to help Shredder even though he approaches him on the streets in his full villainous garb and it gets worse from there. Even when Baxter turns into a fly as a result of Shredder sending him to Dimension X, all it takes for Baxter to change from wanting revenge on Shredder to wanting revenge on the turtles is Shredder telling him that it was the turtles' fault.
  • I Just Want to Be Normal: His motivation after becoming a fly is to find a way to return to his normal self.
  • Mad Scientist: He creates inventions to fight the Turtles.
  • Metamorphosis: From human to giant fly.
  • The Mind Is a Plaything of the Body: Downplayed. While he doesn't entirely become a creature driven by instinct after he is turned into a fly, he loses most of his intelligence and his memory becomes extremely muddled and limited. It's so bad, he doesn't even remember that Krang and the Shredder are the ones responsible for his mutation; all he remembers is that he really wants to get revenge on someone, and he's chosen the Turtles as his target simply because Shredder pointed the finger at them.
    Baxter: Turtles, you will pay for WHAT YOU DID TO ME!
    Leonardo: Um, Baxter, just what did we do to you?
    Baxter: You know...I can't remember. BUT YOU'RE GONNA PAY FOR IT ANYWAY!
  • Not-So-Harmless Villain: In "Curse of the Evil Eye" when he took the Eye of Sarnath for himself he nearly defeated both Shredder and the Turtles, with only his lack of knowledge about the Eye's weakness (it cannot affect anything made of gold) becoming his downfall.
  • Omnidisciplinary Scientist: His primary field is usually robotics, evidenced by his famous Mousers, but he'll show expertise in everything from genetics to archaeology as suits the plot.
  • Only Friend: The only genuine friend he has is Z, a sentient spaceship computer whom he meets while hiding underground.
  • Race Lift: From African American to Caucasian (and vaguely European), because the writers didn't think that having the only black person in the cast be a villain would sit too well with audiences. Another reason in Baxter's case is that the writers feared that Shredder constantly abusing his black assistant would be seen as racist (conveniently forgetting that Bebop is black, which is more obvious before his mutation).
  • Sanity Slippage: He grows more and more unstable after his transformation.
  • The Starscream: He also had shades of this, using the powers of the Eye of Sarnath for himself in "Curse of the Evil Eye" to get back at Shredder for bullying and abusing him, and later turning on him completely after turning into a fly mutant in "Enter the Fly".
  • Then Let Me Be Evil: Following his first appearance in which he was tricked by Shredder into building thousands of his Mousers to attack the city, followed by getting captured by the Turtles and arrested for the chaos Shredder caused with the Mousers, upon returning, he sided with Shredder to get revenge on the Turtles.
  • Younger Than They Look: Baxter looks like a middle-aged man but is implied to be younger than Shredder.

     The Rat King 
Voiced by: Townsend Coleman

A man dressed up in rags and bandages who shares a rapport with rats.

  • Ambiguously Human: While he may look human, no explanation is given for his power over rats and he takes offense when Scumbug calls him a human in "Night of the Rogues".
  • Badass Longcoat: He dons a trenchcoat in his final appearance.
  • Bandaged Face: His face is covered by bandages.
  • The Beastmaster: He controls rats.
  • Karma Houdini: He often isn't punished for his evil plans, though subverted in "Leatherhead Meets the Rat King" when he ends up trapped in a cave-in, as well as in his last appearance where he is finally captured by the Turtles, and also episodes where he plays a neutral role, since he isn't really doing anything wrong then.
  • Magic Music: He used a flute to control rats.
  • Mind Control: His power over rats also affects Splinter.
  • Mysterious Past: We know absolutely nothing about the Rat King's backstory.
  • Villain: Exit, Stage Left: He would often escape after the Turtles defeated him, and it was not uncommon for him to bail out in episodes where he teamed up with other villains. Averted in "Leatherhead Meets the Rat King" (where he ends up trapped in a cave-in) and "Wrath of the Rat King" (where the Turtles finally capture him).

Voiced by: Jim Cummings, Peter Renaday ("Night of the Rogues")

Once a particularly large and savage alligator from the Okefenokee Swamp in Florida, he was evolved into a humanoid version of himself after swimming through swamp water that had been contaminated by a lost canister of Krang's mutagen. He came into conflict with the Turtles when he tried to enslave their friends the Punk Frogs to become his servants, and afterwards would return repeatedly to seek revenge.

  • Adaptational Villainy: Leatherhead is a recurring villain in this version, when he's an ally in other continuities (though it was common for him to start off as having a misunderstanding with the Turtles).
  • Catchphrase: "I guh-rantee!".
  • Living Weapon: He had several crayfish/lobsters strapped to his belt and would often wield them or throw them at opponents to pinch and distract/immobilize them.
  • Ragin' Cajun: He's a Cajun in this version.
  • Reptiles Are Abhorrent: The main turtles, having sufficient Turtle Power, are depicted with minimal reptilian features. He and Slash, instead have more pronounced reptilian traits (scales, spikes, claws).

     Don Turtelli 
Voiced by: Peter Renaday

The head of a major crime syndicate in New York. He is the grandson of Tony "The Tickler" Turtelli. Turtelli went down in infamy for his torture methods, which he inherited from his grandfather. He specializes in the interrogation of people he captures through tickle torturing the soles of his victims' feet with a feather to make them talk Including April, Vernon, Zach and his friend Caitlyn.

  • Chuck Cunningham Syndrome: He's never seen or heard from again after the third season. Most jarringly, when Shredder unites the other prominent gangster villains on the show such as Pinky McFingers and Big Louie in "Adventures in Turtle-Sitting", Turtelli is conspicuously unmentioned.
  • Dirty Old Man: His addressing to Caitlyn with the question "Where do you want it, Blondie; under your arm or the soles of your feet?" confirms this.
  • The Family for the Whole Family: He's a gangster who has a distinctly child-friendly way of operating, such as interrogating people with Tickle Torture.
  • Only Bad Guys Call Their Lawyers: Says this after the Turtles defeat him in the episode "The Great Boldini".
  • Tickle Torture: His foot tickling interrogation technique.
  • Toyless Toyline Character: He has no toys.

     Big Louie 
Voiced by: Peter Renaday

Big Louie

Another gangster antagonist who first shows up in the fourth season.

     Pinky McFingers 
Voiced by: Peter Renaday (most appearances), Cam Clarke ("Donatello's Duplicate")

McFingers is another recurring gangster antagonist on the show, who like Big Louie first appears in Season 4.

Voiced by: Ron Feinberg

The leader of the organization H.A.V.O.C., he's a mutant who traveled to the present day from the future to take it over while humanity was much more vulnerable.

  • Arc Villain: He shows up for three episodes in the middle of season 8, then after he's defeated Shredder returns and serves as the main villain again for the rest of the season.
  • Fat Bastard: He's extremely corpulent and not a pleasant person at all.
  • Non-Action Big Bad: He leaves the fighting to the mutants he creates.
  • Not-So-Well-Intentioned Extremist: He and his organization claim to protect mutants shunned by humans; Donatello and Raphael, sick of being Heroes With Bad Publicity and dealing with the ingratitude of humans, decide to join them… until they discover H.A.V.O.C. mutating a captive man and realize their real goal is to mutate people to dominate humanity completely.
  • We Will Meet Again: Swears to get even with the Turtles at the end of his last appearance even though he's now stranded in the time of the dinosaurs.

Minor Villains

     Lotus Blossom 
Voiced by: Renae Jacobs

A mercenary hired by Shredder

Voiced by: Pat Fraley

A dimwitted but extremely powerful humanoid turtle with a fondness for palm trees. In this continuity, he was originally Bebop's pet turtle, but they mutated him into a humanoid form in order to create a flunky they could pass their chores onto.

  • Dual Wielding: Like Leonardo, he makes use of two katanas.
  • Dumb Muscle: He's extremely strong and not very bright.
  • Evil Brit: After gaining super-intelligence, he speaks with a British accent.
  • Evil Knockoff: An evil mutant turtle.
  • Instant Expert: Not long after his mutating, Slash already knows how to fight with two katanas.
  • Reptiles Are Abhorrent: The main turtles, having sufficient Turtle Power, are depicted with minimal reptilian features. He and Leatherhead, instead have more pronounced reptilian traits (scales, spikes, claws).
  • Took a Level in Dumbass: He had average intelligence at best during his debut episode, but when his increased intelligence was undone in his second appearance, he became a bumbling nitwit who was easily coaxed by the Turtles into leaving Earth in a rocket.
  • You Don't Look Like You: His appearance in the cartoon differs greatly from the toyline, video games, and comics; he wears a metal bandana and armor instead of a black mask, and has buck teeth instead of sharp fangs.

     Dirtbag and Groundchuck 
Voiced by: Pat Fraley (Dirtbag), Robert Ridgely (Groundchuck)

A mole and bull who were accidentally mutated by Bebop and Rocksteady in "Planet of the Turtleoids".

  • Co-Dragons: Their final appearance had them become minions of a Space Pirate named Captain Dredd.
  • Informed Species: Dirtbag looks more like a rat than any kind of mole.
  • A Load of Bull: Groundchuck is a mutant bull.
  • Mole Miner: Dirtbag is a mutant mole and dresses like a miner. He's even armed with a pickaxe.

Voiced by: Townsend Coleman

The sentient computer of a spaceship that was stranded underground on Earth for years. Yearning for a friend after years of loneliness, he ends up befriending the mutated Baxter Stockman, in hiding after his previous defeat. He joins forces with the mutated scientist to help him exact revenge on both the Turtles and Shredder.

  • Affably Evil: He's pretty polite even to his enemies, with most of his villainous behavior coming from the fact that he's eternally loyal to a Mad Scientist who isn't exactly the perfect picture of mental health.
  • The Dragon: To Baxter Stockman.
  • Undying Loyalty: He's extremely loyal to Baxter.
  • Unexplained Recovery: He was destroyed at the end of his first appearance, yet a small chunk of him somehow survived in later episodes. His destruction in his and Baxter's final appearance seems to stick though.

One-Shot Villains

Voiced by: Maurice LaMarche

He used to be a man named Winston Fripp. He robbed a bank only to be captured by the Turtles and left tied up in a clock tower for the police. It was hours before the police found him, and by then he was driven insane by the ticking of the clock and the ringing of the bell. He returned years later as the supervillain Chronos to help Dregg defeat the Turtles.

     Glob Father 
A mobster from Dimension X, who Dregg hires to steal a new protein computer.
  • You Have Failed Me: Reduces a crony to a puddle of slime on screen for failing to steal the Protein Computer, telling said crony that nobody fails him (The Glob Father) twice. He then says that anyone else who fails him will suffer the same fate.

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