Tropes the brothers have in common
- Berserk Button: Do not speak ill of their father.
- Catchphrase: "Jawsome!"; "Shark Dive!"; "Shark Attack!"
- Cephalothorax: Their heads are fused to their torsos, with no necks.
- Creepy Good: Well, they are giant shark-men, so this is to be expected.
- Extreme Omnivore: The sharks can and will eat just about anything except pizza.
- Hero with Bad Publicity: Thanks to the citizens of Fission City believing everything Paradigm says.
- Horrifying Hero: People tend to freak out on-sight whenever they show up.
- Hurricane of Puns: The Sharks tend to come up with unusual euphemisms and bad puns, all of them oceanic in nature.
- Missing Mom: Outside of a brief mention of her, it's implied their mother may be dead.
- More Teeth than the Osmond Family: Post-gene slamming, they gain enormous mouths full of fangs.
- Shark Man: They're anthropomorphic sharks.
- Threatening Shark: Not so threatening, unless you're Dr. Paradigm, though this trope probably is part of the reason why most of Fission City finds it easy to believe the Sharks to be the villains.
- Tunnel King: They "swim" through concrete and dirt by eating it.
John is the oldest and the smartest of the Bolton brothers. He enjoys creating inventions, taking up most of his knowledge from his father. When John transforms, he becomes Ripster, a great white shark with teeth that can chew through steel.
Tropes associated with John/Ripster:
- Badass Biker: Bends gives him a shark-themed motorcycle, though even as a human he was a biker.
- Brainy Brunette - A rare male example. John, Ripster's human form, has dark brown hair and he's highly intelligent. Even after his transformation, he's still the smartest of the Street Sharks. Biologically accurate, by great white sharks being among the smartest shark species.
- Genius Bruiser: Is the smartest of the brothers, but is just as handy in a fight.
- I Am A Humanitarian: He makes an implicit threat to eat Paradigm, though he was only trying to scare the doctor into revealing their father's whereabouts.Ripster: (to Paradigm) Lesson one on sharks: great whites are always hungry...
The ladies' man of the Bolton brothers. He was transformed into Streex, a tiger shark equipped with rollerblades. Tropes associated with Bobby/Streex:
- All Drummers Are Animals: Literally, in this case.
- Badass Biker: Bends gives him a shark-themed motorcycle.
- Boisterous Bruiser: Is generally the most cheerful and happy-go-lucky of the brothers, even when in the middle of a fight.
- Catchphrase: "Fin Check!"
- Fingerless Gloves: Aside from his pants and roller-skates, his gloves are the only clothes that survived his transformation.
- Rollerblade Good: Never takes off his roller-skates.
- Small Name, Big Ego: Is arrogant and something of The Casanova.
- Ugly Cute: In universe: despite being an anthropomorphic tiger shark, women swoon over him.
- Wolverine Claws: Has seldom-used retractile talons for some reason.
The inventor of the group, Clint was transformed into a hammerhead shark. Tropes associated with Clint/Jab:
- Cool Car: Shares a shark-themed monster truck with Slammu.
- Hair-Trigger Temper: Is the most temperamental of the brothers.
- Jerk with a Heart of Gold: Jab may be rude and cranky, but he really cares about his brothers and friends.
Coop Bolton is the youngest brother also the most athletic, being a football player in high school. After transforming, he became Slammu the whale shark. Slammu's most commonly used attack is the 'Seismic slam', where he sets off an earthquake by hitting the ground with his huge fists.
Tropes associated with Coop/Slammu:
- The Big Guy: Slammu was the biggest and strongest of the Sharks.
- Brainwashed and Crazy: In one episode, Paradigm manages to install a mind-controll device on Slammu. He eventually overcomes it through sheer willpower.
- Calling Your Attacks: His signature move is a Ground Pound called "Seismic Slam!"
- Cool Car: Shares a shark-themed monster truck with Jab.
- Gentle Giant: Slammu is the biggest and strongest of the Sharks - and also the gentlest. It makes sense given he's a whale shark.
- Kid-Appeal Character: He's the youngest of the sharks.
- Super Strength: While all the Sharks are inhumanly strong, Slammu is the strongest of them.
- Top-Heavy Guy: His arms and cephalothorax are enormous in comparison to his legs.
Dr. Robert Bolton
Tropes associated with Dr. Robert Bolton:
- Body Horror: Whatever happened to him, it wasn't pretty.
- Disappeared Dad: For the majority of the series post-transformation, he was only seen briefly in silhouette.
- The Ghost: Is only seen as a grotesque silhouette.
- Idiot Ball: Dr Bolton was certainly very intelligent, but it wasn't a very good idea to meet the Big Bad alone at night.
- Mission Control: Sends the Sharks data on Paradigm's schemes from his various hiding places.
- Spanner in the Works: To Dr. Paradigm, acting as mission control for the Sharks.
Tropes associated with Bends:
- Badass Bookworm: He's smart and good with machines, and can handle himself in a fight.
- Gadgeteer Genius: Built the Sharks' lair and their vehicles... within hours of having met them.
A grad student studying under Paradigm, she helps the Sharks escape from Paradigm and remains allied to them.
- Demoted to Extra: Rarely shows up in Season 3, and even then only as a non-speaking background character.
- The Chick: She was the only female on the team.
- Nice Job Breaking It, Hero!: If she hadn't suggested that Paradigm meet with Bolton's kids then the Street Sharks would've never existed.
- Team Mom: Plays this role to the Sharks throughout Seasons 1 and 2.
- Token Minority: Is the only reoccurring black character.
- Voiced by:
A wannabe rock artist who was transformed into a mako shark after stumbling across one of Dr. Bolton's hideouts. He became an overnight success and, despite Paradigm's efforts to manipulate him, a friendly rival of Streex.
- Catchphrase: "Fin Check!", which he developed independently from Streex.
- Friendly Rivalry: He and Streex initially disliked each other, but came to be friends.
- The Rock Star: He was fairly unpopular as a human, being incapable of playing or singing on-key, but after his mutation developed a proclivity for both.
- More Teeth than the Osmond Family: Like the Street Sharks, he has a gaping mouth full of pointy teeth.
- Small Name, Big Ego: He's extremely arrogant despite his initial lack of talent.
- Unwitting Pawn: Of Paradigm's, initially. He quickly realizes he's been tricked and nothing comes of it.
A friend of the Boltons, he was transformed into an orca by Dr. Paradigm and was mind-controlled into working for him, but broke free and became an ally of the Street Sharks.
Tropes associated with Moby Lick:
- Dark Is Not Evil: Orca's are mostly black in color with some white and are known as predators to sharks, but Moby Lick is more heroic and is an ally to the Streat Sharks.
- Heroic Dolphin: Orcas are a type of dolphin, and he's an ally of the Sharks.
- Overly Long Tongue: Moby is able to use his prehensile tongue as a weapon.
- Super Strength: He's one of the strongest characters on Street Sharks.
Dr. Luther Paradigm
Tropes associated with Dr. Paradigm:
- Abomination Accusation Attack: Milks this to no end.
- Bald of Evil: Is notably lacking hair, and is a mad scientist obsessed with mutating the inhabitants of Fission City into his slaves.
- Big Bad: Is the main villain of the show.
- Corrupt Corporate Executive: CEO and founder of Paradigm Enterprises.
- Eye Patch Of Power: Wears an eyepatch that looks like a metal plate over his right eye.
- Evil Genius: The guy plays with DNA like Lego, and is practically an Omnidisciplinary Scientist.
- Evilutionary Biologist: His goal post-transformation is to gene-slam all of Fission City into being his minions, and he frequently mutates sea creatures into monsters.
- Fangs Are Evil: As Dr. Piranoid, he has a wide mouth lined with needle-sharp fangs.
- Hair-Trigger Temper: To his detriment, as after he accidentally injects himself with unstable piranha DNA he transforms into a monster when upset.
- Jekyll & Hyde: Transforms into Dr. Piranoid, a piranha-monster, when he gets angry.
- Large Ham: As Piranoid he's prone to shouting and theatrics..
- Lizard Folk: Injects himself with iguana genes in Season 3, thinking it was Velociraptor DNA, and becomes Dr. Iguanoid.
- Mad Scientist: While his Take Over the World plan only started after becoming Piranoid, his For Science! attitude is highlighted right from the start.
- Malicious Slander: His efforts to discredit the Street Sharks overlap with Abomination Accusation Attack and Villain with Good Publicity.
- Powered Armor: Equips himself with one so he can fight the sharks on his own, but tells the public it's a respirator suit.
- Punny Name: Paranoid + Piranha = Piranoid, courtesy of Slammu. It sticks so well the Seaviates refer to him as it even in his human form.
- Psycho Serum: Injecting himself with unstable piranha DNA screwed up his head and body.
- Villain with Good Publicity: To the point that he blames the sharks for everything, thus ruining their reputation. Until his attempt to mutate everyone in the city fails, the Sharks expose him, and he loses control of his anger on the news revealing his mutation to everyone.
- Vocal Dissonance: His voice becomes shrill as Piranoid.
A swordfish injected with genetic material from Captain Blood and Genghis Khan. Slash, along with Slobster, was the first of Paradigm's Seaviates.
- Badass Biker: Frequently drives a motorcycle.
- Deadpan Snarker: Towards Killamari, who he developed an intense rivalry with.
- Demoted to Extra: Rarely appears in Season 3.
- Monster Modesty: Wears a purple leotard, which somehow appeared on his body post-mutation.
- More Teeth than the Osmond Family: Has a mouth full of fangs.
- Paper-Thin Disguise: Paradigm made him and Slobster ridiculously fake-looking shark costumes. Ironically, everyone except the good guys fall for them.
- Running Gag: Slash getting his nose stuck in a wall occurs in almost every episode featuring him.
- Sssssnake Talk: Has a rasping lisp.
- This Is a Drill: His nose is spiral-shaped and can rotate, allowing it to function as a drill.
A lobster injected with genetic material from Captain Blood and Genghis Khan. Slobster, along with Slash, was the first of Paradigm's Seaviates.
- Badass Biker: Frequently drives a motorcycle.
- Demoted to Extra: Rarely appears in Season 3.
- Giant Enemy Crab - To be accurate, he's a giant enemy lobster.
- Evil Sounds Deep: Has a deep, gritty voice.
- Friendly Enemy: When not ordered to capture/kill the Sharks, Slobster is content to pull harmless pranks, like splashing them with a mud puddle as he drives past on his bike.
- More Teeth than the Osmond Family: Like all of Paradigm's mutants, he has a mouth full of fangs.
- Paper-Thin Disguise: Paradigm made him and Slash ridiculously fake-looking shark costumes. Ironically, everyone except the good guys fall for it.
- Phlegmings: He's constantly salivating, hence the name.
- Punny Name: He's a lobster who slobbers.
- Roadside Wave: While on his way to deliver the squid that became Killamari to Dr. Paradigm, Slobster took the time to drive his motorcycle through a mud puddle when he spotted the Street Sharks at a cafe.
A squid captured off the coast of the Great Barrier Reef, Killamari is the most aggressive of the Seaviates and has a rivalry with Slash.
- Ax-Crazy: Is the most aggressive of the Seaviates.
- The Berserker: Occasionally lapses into rages where not even Paradigm can control him.
- Deadpan Snarker: Towards Slash, his rival.
- Monster Modesty: Most of the time he wears purple underpants.
- More Teeth than the Osmond Family: Has a mouth full of fangs.
- Mighty Roar: When first mutated all he could do was roar and snarl, and whenever he lapsed into his berserk state he would rampage around while roaring.
- Multi-Armed and Dangerous: Has four arms, all of which can fire venomous arrows.
- Names to Run Away from Really Fast: Better not to trust someone whose name has 'kill' in it.
- Spike Shooter: Can fire venomous arrows from his suckers. Very venomous - they almost killed Jab in Killamari's first episode (and would have had Lena and Bends not managed to create an antidote).
- Tentacled Terror: He's an evil mutant squid from the Great Barrier Reef.
Formally Mr. Cunneyworth, a middle-aged man who was the owner of a hotel which was destroyed by the Street Sharks during a battle with Dr. Paradigm's minions. This caused to harbor a grudge towards them, and he later willingly joins up with Dr. Paradigm, who turns him into an electric eel mutant known as Repteel, who has the ability to shoot electricity from his hands and create mini electric eels to attack his enemies.
- Mook Maker: Can create miniature eels.
- More Teeth than the Osmond Family: Like the rest of the Seaviates, he has a mouth full of fangs.
- Psycho Electric Eel The transformation doesn't exactly improve his mental condition, and gives him electrical powers.
- Shock and Awe: He can generate electricity and zap his opponents with it.
- Slippery as an Eel: Naturally, being part moray eel and part electric eel.
A cowardly mutated shrimp who more-or-less took Slash's and Slobster's place in the Seaviates.
- BFG: His Weapon of Choice is a massive gun.
- Dirty Coward: Louie would rather run away than fight when the going gets too rough.
- Giant Enemy Crab: Well, crustacean: as his name indicates, he is a mutated shrimp.
- Remember the New Guy?: Unlike the other Seaviates, he appears with no prior explanation.
A robotic doppelgänger of the Street Sharks that Paradigm used to free Repteel from prison and frame the sharks. It was reprogrammed by the Sharks to destroy Paradigm's lab, but was salvaged and rebuilt later on.
- Arm Cannon: Is equipped with an arm-mounted ray gun.
- Chainsaw Good: One of its armaments is a saw blade.
- Evil Twin: Was poorly disguised as Ripster to bust Repteel out of prison.
- Off-Model: His teeth kept transitioning from yellow to white and back again.
- Robot Me: It's a robotic counterpart to the Street Sharks.
- Robotic Psychopath: It was programmed to kill the Street Sharks.
- Third-Person Person: At least once in Shark Source.Sharkbot: "Sharkbot. Bad headache. Sharkbot. Go home."
- This Is a Drill: Is armed with a drill positioned between two clamps.
A squid-like cyborg creature of unknown origin that allied itself with the Seaviates in Season 3.
- Combat Tentacles: It all comes with being part squid.
- Everything's Squishier with Cephalopods: Resembles a cyborg squid.
- Giant Space Flea from Nowhere: No explanation was given for its appearance.
Guy In The Sky
Fission City's main source of information on everything from the weather to pollution levels to the latest anti-Street Shark propaganda, Guy in the Sky pilots a bright yellow helicopter and is no end of annoyance to the Street Sharks... and everyone else.
- Helicopter Blender: A running gag is him flying into billboards.
- Malicious Slander: He largely serves as Paradigm's mouthpiece for anti-Shark propaganda.
- Only in It for the Money: Guy-In-The-Sky was obsessed with improving his show's ratings, namely through anti-Street Shark propaganda."Ah smell ratings..."
- Propaganda Machine: He's Fission City's chief source of anti-Street Shark propaganda.
- Strawman News Media: He's an annoying news reporter and radio show host who recklessly flies around the city, spouting false information.
Detective Michael Brock
A police detective assigned to investigate the disappearance of Dr. Bolton and his sons, and subsequently to investigate the Street Sharks. He acknowledges the Sharks are not the villains the media portrays them to be, and is suspicious of Paradigm, but continues to hunt them nevertheless.
- Inspector Javert: Averted. He only pursues the Sharks out of duty, and is suspicious of Paradigm.
- Lemming Cops: He and the rest of the police force are the victims of frequent traffic accidents while chasing the Sharks.
- Let Off by the Detective: Frequently lets the Sharks escape.
- Sympathetic Inspector Antagonist: He comes to sympathize with the Street Sharks and becomes suspicious of Dr. Paradigm, but is obligated to arrest them.