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Here are the character tropes for Same Difference. For the canon characters from Teenage Mutant Ninja Turtles (2012), click here.

Hamato Clan

Hamato Yoshi

Patriarch of the family, husband of Tang Shen, father of five and master of Ninjutsu.

The Ace: His clan considers him the greatest ninja master in the past century, and he's one of the few people who can match and best the Shredder in battle.
Action Dad: He's the father of five and one of the greatest warriors on Earth who will enter the battlefield to protect those he cherishes when the chips are down.
Adaptational Species Change: He's not a rat due never coming into contact with the Kraang or mutagen, so he remains human here.
Broken Ace: Despite being the greatest ninja master of the century, his life has been plagued with tragedy due to the Shredder hunting down and slaughtering his clan. The near-death incident his wife suffered left him with a perpetual fear of his greatest foe taking all he has left from him.
Cain and Abel: While not biologically related, he's the Abel to Saki's Cain. Yoshi deeply cared about his adoptive brother and his feelings, even going so far as to ignore his feelings for Shen so she could pursue Saki.
Freudian Excuse: While Splinter in canon claims that he doesn't join his sons into battle because he wants them to be self-reliant, there is another reason for that here: Tang Shen survived that night against the Shredder with wounds that left her weakened. While he trusts his sons to defend themselves, he stays to protect his wife.
The Mentor: He's the one who trained his children and later April in Ninjutsu.
Papa Wolf: Don't threaten his children if you value your life. Even if you're the Shredder, you won't be safe from his wrath.
Story-Breaker Power: His skill and abilities far exceed his sons and daughter, only being rivaled by his nemesis, the Shredder. Because he'd pretty easily take care of a majority of the family's problems and make fights boring, he's mostly relegated to staying at home protecting his wife due to her injuries.

Tang Shen

Yoshi's loving wife and a skilled kunoichi, though her skills have been hampered by her injuries.

Adaptational Badass: Prior to her injuries, she was a kunoichi rather than a stay-at-home mother. That's also before getting into how powerful her mutation makes her.
Almighty Mom: She's the mother of the Hamato kids and all of them are terrified of making her angry. She's even shown having no issue telling Shredder and Tiger Claw, two characters who could easily kill her, to shove off.
Ax-Crazy: After her mutation, she becomes almost like a feral animal, lashing out at anyone other than the mutated members of her family.
Badass in Distress: While she is perfectly capable of protecting herself in short intervals, her old wounds weaken her to the point where the Shredder manages to kidnap her and it takes the combined efforts of the entire Hamato Clan to help her escape.
Blessed with Suck: Her mutation into a Medusa-like mutant has healed her of her previous injuries and made her one of the deadliest mutants in the story...and it's also driven her insane, with few moments of clarity.
Composite Character: She gets combined with canon!Karai as the one who gets turned into snake mutant.
Dented Iron: While she has ninja skills that rival her husband, the wounds the Shredder left her with when he attacked the Hamato Estate has left her severely weakened, Yoshi staying home as their sons and daughter are off being heroes specifically to protect her.
Fighting from the Inside: When Tang Shen poisons April and Casey while under Shredder's control, it is not until after they are cured does Donatello find out that her venom is only lethal with several bites and that April and Casey would have been fine after a few hours. They take this as a sign that there is a part of her still holding back from the brainworm's influence.
Foreign Culture Fetish: Tang Shen seems to be a bigger geek of The Renaissance than Splinter, as it was her idea to name their sons after Renaissance painters and to name their family dojo "Renaissance Dojo".
The Glomp: After she becomes a Medusa-esque mutant, her usual response to seeing her children (especially Leo, Raph, and Mikey due to their mutations) is to envelop them in a bone crushing hug.
Mama Bear: Especially after she's mutated. Want to die screaming? Just try and hurt her children.
Spared by the Adaptation: She doesn't die here and gets to live with her family.
Took a Level in Badass: Following her mutation, she becomes one of the most powerful mutants in the story. Her previous wounds are healed and she can easily kill monsters like the Huntterror, which took all the Mutanimals to defeat it (though in fairness, it was weakened by its previous fight against them).

Hamato Miwa

Hamato Miwa/Armonia

The eldest of the Hamato siblings.

Adaptational Angst Downgrade: She was raised by her family and not by the Shredder.
Adaptational Heroism: She's a hero through-and-through thanks to never getting taken by the Shredder.
Berserk Button: Don't ever try to mess with her family, and don't go in her room without her express permission.
Big Sister Instinct: While her protective urges towards her siblings are not as finely tuned as Leo's, she is perfectly willing to go to great lengths — even murder — if it means protecting her brothers.
Bilingual Bonus: When she's being hunted by the Foot Clan, she mutters "kuso"^noteTranslates to "shit" in Japanese to herself.
Celeb Crush: According to Donnie, Miwa had a short-lived crush on Jackie Chan as a preteen.
Color-Coded Characters: Green.
The Dreaded: If there is anything her brothers won't do, it's piss Miwa off. She also tends to intimidate a lot of other characters whether or not she's their friend or enemy.
Green-Eyed Monster: She reveals to April that she's envious of her for how she's basically everything her parents would have wanted in a daughter.
Head-Turning Beauty: When they aren't terrified of her, Miwa tends to garner a lot of Abhorrent Admirers, including Casey, the Pulverizer and Bradford of all people.
Hot-Blooded: She tends to be very quick to anger and often lashes out when frustrated. This is also why she can't be the team's leader.
It's All My Fault:
- Played with when Ralph gets mutated. She lashes out at the O' Neils since he got mutated trying to defend them, but she also blames nearly everyone, herself included, out of self-loathing.
- Since her mother got mutated trying to save her, she blames herself for what happened and actively avoided her because she couldn't stand to face her after her failure.
My Sister Is Off-Limits: While the family didn't make much of a fuss when Donnie started dating April, the same can't be said when Miwa starts dating Casey. When everyone finds out, all of the guys (sans Donnie, who knew about his crush already) interrogate him, with Splinter demanding to know his intentions. This is all Played for Laughs of course.
Tomboy Angst: Miwa admits to April that one of the reasons why she has trouble accepting her as a friend is because she thinks that her parents wanted a more traditional girly-girl instead of the brawler that she is and April fits that bill more than she does.
The Worf Effect: She suffers this from Falco to show off how impressive his mind reading powers make him. The rest of the siblings are completely shocked when they see this.
You Should Have Died Instead: Downplayed in that she doesn't wish April died, but her blaming the O' Neils for Ralph's mutation falls more under "you should have been mutated instead".

Hamato Leonardo

Hamato Leonardo/Raion

The oldest boy among the siblings. He's the leader of the team and often the most level-headed.

Big Brother Instinct: While not the oldest sibling this time, Leo is the most protective and responsible out of all of them, each of them having at least one notable instance in their lives where he was there for them.
Dual Wield: His twin swords are his main weapons in a fight like his canon counterpart.
Color-Coded Characters: Blue.
Fantastic Racism: Out of all the members of the Hamato clan, he's the iffiest when it comes to mutants due in no small part to most of his encounters with them being violent. This even forms a rift between him and Raph when his brother mutates, though he eventually gets over it.
The Leader: Just like in canon, he's the team's leader.
Like Father, Like Son: He's very similar to how his father was in his youth. This is something that Shredder despises about him.
Mature Younger Sibling: While Miwa is the oldest of the Hamato siblings, it is stated multiple times that Leonardo is the most mature out of all of his siblings, often acting as the responsible older sibling towards all of them.
Samurai Shinobi: In "Bonus Chapter 1 -- A Wormquake What If", Miwa reveals that Leo is a big fan of bushido despite being a ninja.

Hamato Raphael

Hamato Raphael/Iyasa

The second oldest of the Hamato brothers, as well as the most aggressive.

Adaptational Nice Guy: He's less irrational and Hot-Blooded here thanks to having lived life as a human and knowing how to better deal with any jerks he meets. He is also less prone to bullying his brothers than his canon-counterpart, looking after them when they are in danger and threatening anyone who messes with them.
The Big Guy: Of the Hamato kids, he's the most physically aggressive in battles. He's also the first to mutate and become stronger.
Bully Hunter: He's developed a reputation at school as this, to the point where even the mere sight of any of his brothers scares off bullies.
Color-Coded Characters: Red.

Hamato Donatello

Hamato Donatello/Gifuto

The third of the Hamato brothers and the most intelligent.

Color-Coded Characters: Purple.
Gadgeteer Genius: He's the most tech-savvy of the family, having built Metalhead and the Shellraiser.
Guilt Complex: Being the smart one expected to study and reverse the effects of mutagen, Donatello feels responsible for his family and friends when they start mutating one at a time, with implications that he feels like it is his fault that it keeps happening.
I Just Want to Be Normal: Zig-Zagged. When he and his brothers are being hunted by the Dream Beavers, Donatello is a mutant turtle just like his brothers despite being the only human left of the four of them by this time. When questioned about this, Donatello admits that he wanted to be like them because, as quadruplets, they have done everything together since they were born and being their Token Human makes him feel alienated from them.
Promoted to Love Interest: While he had a crush on April in canon, it never really went anywhere. Here, they start dating.
Single-Target Sexuality: If Leo is to be believed, Donatello's feelings for April went well-beyond a simple crush before they officially started dating, Leo's description delving right into worshipping the ground she walks on.
Understanding Boyfriend: While Donnie offers to beat Casey up if he keeps bugging April, he trusts April enough to spend time alone with him as his tutor. When April commends him for not being crazy jealous over being alone with another guy, he points out that while he is jealous, his trust in April and her desperately needing to fix her dropping grades far outweighs his personal concerns.

Hamato Michelangelo

Hamato Michelangelo/Tenshi

The youngest of the Hamato siblings, and the most energetic and troublesome.

Adaptational Intelligence: While still a spastic-weirdo, this version of Michelangelo was raised in a (relatively) normal household as a human in human society, resulting in the downplaying of his Cloudcuckoolander eccentricities, being less likely to make Too Dumb to Live decisions and is less gullible than his canon-counterpart.
Attention Deficit... Ooh, Shiny!: He tends to get distracted easily. Justified since he's confirmed to have ADHD.
Color-Coded Characters: Orange.
Cursed with Awesome: Unlike Raph and Leo, he takes to being mutated into a turtle the best, quick to coming up with various pun-based catchphrases about it.
Genre Savvy: Thanks to all his reading of comic-books, he's remarkably adept in the ins and outs of the threats they face. Sometimes what his family deals with is almost identical to the comics, making him the most effective of the team in these situations.
The Nicknamer: He's typically the one who gives the mutants their names, such as mockingly calling Chris Bradford Dogpound and later Rahzar.
This Looks Like a Job for Aquaman: His unusual aptitude for Dimension X and Kraang Tech is made apparent much earlier here than in the parent series, Mikey often called upon to deal with such matters when Donatello meets a dead-end.

Metalhead

A robot created by Donnie that aids the Hamato family.

Animal Motifs: He's based off a turtle because Spike was wandering around in Donnie's lab, which inspired his design.
Ascended Extra: Metalhead's canon-counterpart only made a few appearances before his destruction in "Metalhead Rewired". Here, he not only survives his canon-counterpart's death, he becomes a permanent member of the team.
Benevolent A.I.: He's a robot piloted by an advanced AI program and is a member of the Hamato clan.
Drives Like Crazy: Due to Mikey playing too many Grand Theft Auto video games with Metalhead, "reckless driving at breakneck speed before finally crashing into things" is ingrained into his programming, hence why they cannot let Metalhead copilot the hotrod, and even makes the Hamatos worried when he pilots a Kraang stealth ship in Dimension X.
Intelligible Unintelligible: To the reader he communicates exclusively through beeps, buzzes, whirrs, basic physical gestures, audio clips and the occasional holographic projection. Through all of this, the characters In-Universe all seem to understand him just fine.
Token Non-Human: He's the only member of the Hamato clan who's a robot and was never human (or part human) at all.

April O' Neil

A teenage girl and fellow classmate of the Hamato family. They end up rescuing her from a group of men who turned out to be the Kraang in disguise.

Damsel in Distress: While she grows out of it, she starts mostly helpless and, despite learning combat from Yoshi, lags behind the others and gets captured most of the time. This really frustrates her.
Designated Victim: Having the key to securing the Kraang's invasion in her DNA makes her their priority target. When the Foot Clan teams up with them, she also becomes their target as well.
Fiery Redhead: While usually an inversion, she can be this when sufficiently angered, such as when she finally let out all her built up rage towards the Kraang for messing with her life.
Half-Human Hybrid: She's half-Kraang thanks to experiments performed on her mother before she was born.
Promoted to Love Interest: While Donnie canonically had a crush on her, they end up dating here.

Casey Jones

Casey Jones/The Nightwatcher

A longtime friend of Raph and later a vigilante that helps the Hamato clan.

Adaptational Intelligence: While Casey wasn't exactly Mikey-levels of stupid, he was a street-punk who thought more with his hockey-stick than his head, making him a foil for the Book Smart Donatello. Here his breakout into vigilantism is done with the singular purpose of investigating a sudden sting of disappearances among his classmates. When Raph's family dodge his questions, he then orchestrates his study-dates with April probe her for information. When the gang see the notes he kept, they were genuinely impressed.
Adaptational Nice Guy: While Casey became a vigilante in the original series to fight street crime that could threaten his family, here he had a more specific goal in-mind; to find his best friend Raphael and the various other classmates that go missing. After he finds out what became of Raphael, Jason (Mondo Gecko) and Timothy (the Pulverizer/Mutagen Man), he convinces the team to help him look for Martin — an innocent, bully-bait kid with a prosthetic leg — out of genuine concern for what happened to him. Not only that, but he completely drops his flirtation with April when he sees that she is in a relationship with Donatello, the two of them having a less vitriolic friendship than in canon.
Amazon Chaser: Even when getting to know Miwa more makes him more terrified of her, he still can't help but find that side of her attractive as well. He eventually wins her over and officially starts dating her.
Badass Normal: He's notable for being able to fight against Kraang and aliens alongside the Hamato clan despite lacking any of the superhuman abilities the family's mutations have given them or the cases of Charles Atlas Superpower the non-mutated ones have.
Composite Character: Every version of the Nightwatcher in the TMNT franchise had been a Second Super-Identity for Raphael (with the exception of the Mirage comics, the original Nightwatcher having been given the title to Raphael willingly). Here it's a name Casey took following the Hamato's lead in using aliases when out on missions.
Dark Is Not Evil: His vigilante costume and even civilian clothes feature a lot of black and dark colors, but he's really a nice guy and ultimately a hero.
Easily Forgiven: The rest of the Hamato clan let him in even after his early antagonism. Averted with April, who hates him even after the fact since he tricked her so he could try to learn what happened to Raph and it takes a long time for her to forgive him.
Smarter Than You Look: While he seems like a Book Dumb Jerk Jock on the outset, he's actually pretty smart. He led a one-man investigation of the disappearing kids from his high school was right about the Hamato family's connection to them.

Allies

Mighty Mutanimals

Spike/Slash

Raphael's pet tortoise that was mutated. Originally opposed to the Hamato clan except for his original owner, he's now a hero in his own right as the leader of the Mighty Mutanimals.

The Big Guy: He's tied with Leatherhead for the position of strongest member of the Mutanimals and is a lot more aggressive.
Jerk with a Heart of Gold: He starts out abrasive and antagonistic to the rest of the Hamato clan sans Raph, but he comes to regret his behavior and is really dedicated to protecting the innocent.
The Leader: He becomes this to the Mutanimals.
The Nose Knows: He can smell a single canister of mutagen from several city blocks away.

Leatherhead

An alligator mutant that the Kraang experimented on. He was able to escape and is now one of the strongest allies of the Hamato clan.

The Berserker: He starts as this due to the trauma of the Kraang experiments. He moves past this as the story continues but makes efficient use of his rage.
Beware the Nice Ones: While a noble Gentle Giant, he's prone to outbursts of rage whenever the Kraang are involved. He's working to get past this.
The Lancer: He becomes this to Slash's leadership status, being more levelheaded than him.

Pigeon Pete

Originally a pigeon who was mutated to deliver a message to April and the Hamato clan, he now fights as one of the Mutanimals.

Plucky Comic Relief: His main role in the Mutanimals is to be both the fodder and butt of many jokes.

Dr. Rockwell

Originally a scientist who became mutated into a monkey. He has since developed psychic abilities.

The Smart Guy: He was originally a scientist and serves as this among the Mutanimals.
Telepathy: His main method of communication and team contribution is his telepathic abilities.

Mondo Gecko

Jason/Mondo Gecko

Mikey's best friend, who was mutated when the Kraang dropped a mutagen shipment on New York.

Brought Down to Normal: After he's returned to his human self, he loses all the benefits his gecko form provided him.
Jive Turkey: His normal way of speaking always involves this.
Token Human: After he returns to normal, he becomes the sole human member of the Mutanimals.

Sir Malachi

Martin Milton/Sir Malachi

A high school student/LARP enthusiast turned into a sparrow mutant. He's now a member of the Mighty Mutanimals.

Ascended Extra: In the original show, Malachi only appeared in one episode. Here he becomes a member of the Mighty Mutanimals.
I Just Want to Be Special: Part of why he chooses to remain a mutant is because thanks to his transformation, he now has special powers that he wants to use to protect people.
Open-Minded Parent: After a small freak out, his parents adjust to his new state and become very supportive of him.
Your Mind Makes It Real: He can turn his thoughts into reality. A nifty power to have when you're as imaginative as he is.

Other

Irma Langenstein

Decomposite Character: In the parent-series, Irma was a disguise Kraang Subprime took on to locate the turtle's lair, a design he stole from Rook. Here, Irma was an actual person that Kraang Subprime had kidnapped and mutated, designing his suit off of her to spy on April and the Hamatos. This version of Rook was the one who stole it from the Kraang when they raided one of their bases, the Kraang having had an entire stockpile of Irma-bots ready to be used for espionage purposes.

2003 Turtles

Heroes of Another Story: It is said that they took part in fending off the Kraang when they tried to invade their dimension.

Mortu

Gender Flip: Because Mortu is using an Irma-Bot, female pronouns are used.

Officer Howard

Running Gag: He often finds himself dealing with the aftermath of the Hamato Clan's battles.

Fugitoid

Fugitoid/Zayton Honeycutt

Last Episode, New Character: Appears at the very end of the story to bring the Hamato clan to space for their next adventure.

Family Members

Beth O'Neil

Named by Adaptation: Is named Beth here, while was never given a name in canon.

Enemies

The Foot Clan

The Shredder

The Shredder/Oroku Saki

The Grandmaster of the Foot Clan and the Arch-Enemy of Hamato Yoshi.

Adaptational Jerkass: He was bad enough in the original, but without Karai to have someone to anchor his sanity towards, he's even more insane here.
Arch-Enemy: He's the mortal enemy of Hamato Yoshi, as he has pretty much dedicated his life to making Yoshi suffer.
Ax-Crazy: He really doesn't have a stable mind, as his obsessive entitlement and brutal actions can attest to. Even his minions consider him to be insane.
Broken Ace: Of a different variety compared to his nemesis. He's as much a master fighter as Hamato Yoshi, but his vengeful obsession has warped him into a deranged killing lunatic who will stop at nothing to get what he wants.
Cain and Abel: While not biologically related, he's the Cain to Yoshi's Abel. At the end of the day, Shredder is a remorseless sociopath who threw away his redeeming values one-by-one just so he could torture and kill his former brother out of jealousy.
The Dreaded: Once he arrives in New York, he puts the whole Hamato clan on edge. Splinter has nightmares about him after learning of his arrival.
Enemy Mine: He despises the Kraang, but is willing to work with them because he despises Yoshi even more.
Entitled to Have You: He believes that only he deserves Tang Shen. This later applies to her children (sans Leonardo), and he makes it clear that he wants to take them and make the Hamato clan his own.
Even Evil Has Loved Ones: Subverted. His love for Tang Shen seems like this trope at first, but it's later made clear that he's more obsessed with the idea of being with Tang Shen more than Shen herself. He even has no qualms about attacking or hurting her if she doesn't cooperate with his views.
Evil Uncle: Since he and Yoshi were raised as brothers, he qualifies as this to Yoshi and Tang Shen's children.
Family of Choice: Despite being Yoshi's daughter, the Shredder plans on taking Miwa as his own as both a way to endear himself to Tang Shen and as a final act of spite towards Yoshi. He later extends this curtesy towards the Hamato Brothers when he finds out that they are Tang Shen's sons, making an exception to Leo who he thinks is the most like his actual father.
Hypocrite: He accuses his nemesis of having brainwashed Tang Shen to his side, yet he brainwashes her via Stockman's brainworms to force her to side with him.
Insane Troll Logic: While the original version was already running on Revenge Before Reason, here finding out that Tang Shen is still alive doesn't change his endgame one bit, thinking that her antagonism towards him is a product of Stockholm Syndrome and that killing Hamato Yoshi slow and painfully in-front of her and their children will somehow make it alright.
Lack of Empathy: His reaction to the Kraang wanting to mutate humanity and take over is indifference at best. He even outright admits that he doesn't care what happens to the world.
Murder the Hypotenuse: He wants to kill Yoshi so he can have Tang Shen and her children to himself.
Never My Fault: He refuses to take responsibility for what he's done to Tang Shen. When she ends up mutating because of him, he immediately blames Yoshi.
One-Man Army: Collectively hands the Hamato kids their asses when they first fought. It always takes someone on Yoshi's level to fight evenly against him.
Pride: While he claims that his desire for revenge against Hamato Yoshi and the Hamato Clan is out of love for Tang Shen and for the pride of the Foot Clan respectively, all it boils down to is his envy for his adoptive brother and his own ego. He claims that he wants to "save" Tang Shen from Yoshi's manipulations and care for her children as if they were his own, but he is fooling nobody; he thinks that slowly torturing and killing Yoshi in front of them would finalize his revenge. When his own Evil Plan results in Tang Shen being mutated into a feral snake person, he would rather blame Yoshi than take responsibility for it. He even goes so far as to arrogantly proclaim that he could wipe out the Kraang and stop the invasion after they had begun their occupation of New York City.
Wicked Stepmother: Shredder aspires to be a gender-inverted version of this, believing that when he has Tang Shen for himself, he would officially make Miwa his daughter by virtue of being Tag Shen's. When he discovers that Leo, Raph, Donnie and Mikey are her sons as well, he extends this curtesy to them.
Would Hurt a Child: Impales Leo, a fifteen-year-old, with his own sword and fully intends to kill him.
Would Hit a Girl: Has no problem slapping around Tang Shen or Miwa.

Chris Bradford

Chris Bradford/Dogpound/Rahzar

The Shredder's best student and one of the leading generals of the Foot Clan.

Adaptational Jerkass: Played With. He's mostly the same, but he doesn't even bother with the attempt at being Affably Evil to gain trust and is just a jerkass from the get-go.
Honor Before Reason: He'd rather die in a mutagenic catastrophe while fighting the Hamato clan than cut his losses and live to fight another day.
Sitcom Archnemesis: Before he discovered that the remaining members of the Hamato Clan were running the Renaissance Dojo, he considered their dojo a rival to his and would often heckle them. It is not until he hits on Miwa do they retaliate, him being very publicly humiliated by her when she kicks his ass.

Xever Montes

Xever Montes/Fishface

A former street thug and bandit who now serves as one of Shredder's top lieutenants.

Artificial Limbs: He requires his mechanical legs to properly move on land after he's mutated into a fish.
Lack of Empathy: After learning that the Shredder wiped out the Hamato clan members and "killed" Tang Shen, he makes it clear that he doesn't care.
My Master, Right or Wrong: He rather openly admits he doesn't care about the reason behind Shredder's vendetta against Yoshi or its validity, only acting as an instrument for his revenge out of loyalty.

Tigerclaw

Takeshi/Tigerclaw

A mutant tiger working for Shredder to gain his vengeance upon the Kraang.

Adaptational Early Appearance: He shows up much earlier, seeming to take Karai's place.
Adaptational Heroism: Downplayed. He's still a villain in this version, but this version is motivated by his hatred for the Kraang and is only allied with the Shredder for pragmatic reasons, unlike his canon-counterpart who is genuinely loyal to Shredder and doesn't seem to care about the Kraang despite his mutation changing his life for the worse.
Adaptation Relationship Overhaul: While canon!Tigerclaw's loyalty to the Shredder was genuine, having been implied to have been a long-standing ally to the Foot, here it is treated more as an allyship of convenience, seeing the Foot Clan as a useful ally in his hatred against the Kraang.
Affably Evil: He primarily serves the Shredder, but he's mostly polite with his enemies and shows respect towards them.
Composite Character: He takes Karai's position as the second-in-command of the Foot Clan due to her not being a member of them here.
Eye Scream: The Shredder takes one of his eyes as the price for his failure.
Number Two: He serves as the Shredder's second-in-command.
Would Hit a Girl: Like his master, he seems to have no issue with brutalizing the female members of the Hamato Clan.

Baxter Stockman

Baxter Stockman/Buzzkill

Adaptational Wimp: He never gets to use the "Stockman-Pod" armor, so outside of his later transformation into Buzzkill, he's much less of a threat here.
Butt-Monkey: He's forced into the Shredder's servitude and is frequently mocked by his subordinates for any and all failures.
Evil Genius: While not a mastermind, he's the primary robotics specialist for the Foot Clan, designing Fishface's robotic legs and working with various machinery for mutation purposes.
Laser-Guided Amnesia: As a result of post-mutation hysteria, Buzzkill doesn't remember that April is immune to mutagen.

The Tricerton Empire

Traximus

Last Episode, New Character: After the Heart of Darkness is destroyed, he recruits Zog into his resistance.

Other Enemies

Victor Falco

Victor Falco/The Rat King

Demoted to Extra: Because Yoshi wasn't mutated, his role as the Rat King was compressed.

Characters / Same Difference

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