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Characters / T.U.F.F. Puppy

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Main Characters

    Dudley Puppy
Voiced by: Jerry Trainor

The central character of the series. A dimwitted and happy-go-lucky dog who gets a job as an animal agent at T.U.F.F.

  • Beware the Nice Ones: Dudley is a well-meaning, if brainless and destructive dog, but hurting his friends will get villains to surrender (as long as he notices that they're hurt). One example includes when R.I.T.A. (the toaster that Keswick invented) supposedly kills Keswick, he causes the giant robot to slip on the meatballs from cafeteria that he and Kitty were working at temporarily.
    • He also hates it whenever people touch one of his chew toys without asking him. Snaptrap learned this the hard way.
  • Catch Phrase: "Hi-gee-gee!"
  • Crouching Moron, Hidden Badass: He may be a careless stooge, but his cleverly though out action skills shows that he's not 100% idiot. See Genius Ditz below.
  • Disappeared Dad: There's never any mention of his dad and seeing how his mom briefly dated Snaptrap, Dudley's dad is either divorced from Peg or dead.
  • Dogs Are Dumb: His whole shtick. Well, almost all the time, anyway.
  • Funny Animal: Dudley is a walking, talking secret agent, but still harbors affection for chewing his own butt and chew toys.
  • Genius Ditz: Dudley, who seems to be little more than a hyperactive Idiot Hero, has flashes of genuine cleverness and defeats villains through outsmarting them almost as often as he out-muscles them.
  • Half-Dressed Cartoon Animal: Averted in "Mom-A-Geddon" where it's shown that Dudley wears underpants underneath pants that look like naked animal legs.
  • Heroic Build: He is shown to have fairly impressive upper body.
  • Heroic Dog: Despite his idiocy and causing problems, he does show a strong heroic side and willingness to fix his mistakes.
  • Idiot Hero: The protagonist of the series who is often clever, yet rather dim.
  • Innocent Blue Eyes: Dudley has blue eyes and is a rather simple-minded, yet heroic and well-meaning dog.
  • Innocently Insensitive: Towards Kitty in "Diary of a Mad Cat". However, he does later mention that even he knows little as Kitty, he still wouldn't have anyone else but her as a partner.
  • Jerkass Ball: Sometimes holds these moments.
  • Keet: He is a very enthusiastic fella.
  • Kindhearted Simpleton: Say what you will about how careless he can be, but he truly means no harm and does try to help Petropolis from doom.
  • Large Ham: Being voiced by Jerry Trainor certainly helps matters.
  • LEGO Genetics: Dudley is a combination of every breed of dog ever, and somehow a bit of goat. Partially justified as a long enough blood line could mix every dog breed, the goat is something else.
  • Lethally Stupid: His stupidity is the cause of most of Kitty's injuries. And it's not just Kitty who's a victim of these. Very few characters are safe around Dudley.
  • Mama's Boy: He still lives in the same house with his mother, Peggy, who still has quite an overprotective maternal instinct once in a while.
  • Manchild: He lives in a multi-story tree house near his mom's house, and joins in with the kids when Snaptrap uses the "no hitting or killing near kids" rule to his advantage, doing kid related stuff along with crimes.
  • Nice Guy: While Dudley has his flaws, he's mostly outgoing and generally loves having Kitty as a partner.
  • No Indoor Voice: To the point that in one episode, they literally build a mute collar to keep him quiet.
  • Top-Heavy Guy: He has a muscular upper body but rather short legs.
  • Vitriolic Best Buds: With Kitty. He generally loves her as a partner, but often inadvertently injures her, though fortunately Kitty usually has no qualms against hitting him back.
  • Would Hit a Girl: Dudley doesn't have any problem hitting Kitty, even kicking her in the very same episode, also being seen giving her slaps, bites and, what could be, punches.
    • He also has no qualms against beating the Pageant queen to a pulp. Though, justified since he was convinced it was the Chameleon in disguise.

    Kitty Katswell
Voiced by: Grey DeLisle

An actionized cat agent and Dudley's level-headed sidekick.

Voiced by: Jeff Bennett

The geeky scientist of T.U.F.F.

  • Bizarre Alien Biology: Under the effect of the truth serum he reveals that he is in fact, an alien.
  • Cartoon Creature: Word of God says, "[T.U.F.F.] always knows [Keswick] will have the answer, but they just don't know what kind of animal he is." Its revealed in a later episode that Keswick is actually part of his own species, also called Keswick. They have quite an unusual life cycle, including a 'platypus phase' where they shoot toxic quills when they hiccup.
  • Gadgeteer Genius: He's made a machine that makes donuts out of thin air and redesigned D.O.O.M.'s lair using soup cans and a shark tank.
  • Last of His Kind: Possibly, since he is part of his own species. Part of their life cycle is growing a reptilian tail that breaks off and becomes another Keswick, who they must fight to the death.
    Keswick: There can be only ONE Keswick!
  • LEGO Genetics: Keswick has gills, webbed feet, lays eggs, has a pouch, and who knows what else.
  • Lovable Nerd: A short, socially awkward scientist who stutters a lot.

    Herbert "The Chief" Dumbrowski
Voiced by: Daran Norris

The flea leader of T.U.F.F. and a former agent himself.

  • Artificial Limb: The Chief has a bionic foot that makes him even cooler than he is already.

Voiced by: Grey DeLisle

  • Hyper-Competent Sidekick: She this in secretary form as she's the one who keeps everything running in Tuff as seen in the ep 'Organized Crime'.



    Verminious Snaptrap
Voiced by: Matthew W. Taylor

  • Catch Phrase: "It is I, Verminious Snaptrap!" and "I shall now plot my revenge!" He also often ends conversations with "Snaptrap out!"
    • "Start the car Larry!" whenever committing an act of petty theft.
      • "[Insert random demand here], OR PERISH!!!"
  • Deadpan Snarker: Has his moments. Especially when Larry in involved.
  • Even Evil Has Standards:
    • Snaptrap would never kill anybody on their birthday without letting them celebrate it first. "No one's THAT evil!"
    • When Snaptrap asks for suggestions on how to get revenge on the "Meanies" at the monotrail for not letting them ride, Francisco suggests that they eat them. Snaptrap flat-out states "that's just dark and disturbing".
    • The reason why Snaptrap tells the agents his latest plan is because he considers it rude not to.
  • Evil Is Petty: In addition to doing things that qualify as evil, most of Snaptrap's actions seem to Poke the Poodle.
  • Freudian Excuse: Might qualify considering all the hints dropped on the show about his mother being abusive, and how much he hates her.
  • Ironic Allergy: Is severely allergic to cheese, which gives him massive swelling if he comes in contact with it. He says he is well aware of the irony.
  • Laughably Evil: Some of his schemes are so pathetic it's funny.
  • Psychopathic Manchild: Most of his schemes are very petty and childish. For example, he tried to blow up the sun just to make popcorn in one episode.
  • Rodents of Unusual Size: He's a rat as tall as Agents Puppy and Katswell.
  • Speech Impediment: Has a lisp.
  • Token Evil Teammate: During his brief tenure as a T.U.F.F. Agent in "Snap Dad".
  • Too Dumb to Live: Is a mild example, particularly in "Mission: Really Big Mission" where his get rich quick scheme for the episode will also destroy the entire planet. Even The Chameleon calls him out on his embarrassing case of Didn't Think This Through.
  • Vocal Evolution: His voice was initially a bit deeper, but cracked constantly - but by the end of the first season his voice became more consistently high-pitched, lessening the Ed Wynn aspect of his voice.

    The Chameleon
Voiced by: Daran Norris

    Bird Brain
Voiced by: Rob Paulsen

  • Animal Gender-Bender: He has laid eggs for comedic effect.
  • Duck!: A running gag with many of his minions, including a duck named duck (and Skip). In "Bad Eggs", he shows an application form for being one of his henchmen, which includes a space for "weird name".
  • Minion with an F in Evil: His henchmen Owl and Bat, that usually respond with "Who?" and "Where?", which usually results in Who's on First? moments.
  • Only Sane Man: When you compare him to Snaptrap and The Chameleon.
  • Rail Enthusiast: He really likes taking the bus and he even memorized different bus schedules. Only because he can't fly.
  • Surrounded by Idiots: Not only when dealing with his henchmen, but when he teams up with Snaptrap and The Chameleon.
  • Younger Than They Look: According to "A Doomed Christmas" he's 23, though that doesn't stop everyone else from thinking otherwise.

     Jack Rabbit 


    Quacky the Duck
Voiced by: Matthew W. Taylor

    The Sharing Moose
Voiced by: Jeff Bennett

  • The Dragon: He is Quacky's main helper and muscle.
  • Odd Name Out: Among Quacky's co-hosts, the Sharing Moose is the only one whose name is not even phonetically alliterative.

Voiced by: Daran Norris (Meerkat),Jerry Trainor (Wanna-Bee), Matthew W. Taylor (Escape Goat)

     The Caped Cod 
Voiced by: Chris Parnell ("The Dog Who Cried Fish"), Mick Wingert ("Cold Fish" onward)


    Peg Puppy
Voiced by: Leslie Carrara-Rudolph


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