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Heroes Wiki
Heroes Wiki

Hero Overview

Agent Puppy, do you know how long it took me to forge--I mean l-l-legally obtain that document stating I'm a citizen of Earth? Which I am..
~ Keswick, "Smarty Pants"

Professor Keswick, Jr. is a Keswick with a bad stuttering habit who is the inventor and scientist for Turbo Undercover Fighting Force, the deuteragonist character in T.U.F.F. Puppy.

He is voiced by Jeff Bennett.


Keswick is a prairie dog-like species confirmed to be under the name Keswick. He has a supposed "pouch", has webbed feet, looks and behaves like a dog or rodent, has three hearts, eleven toes on his paws, has gills, and has rodent teeth, though he's possibly some sort of extraterrestrial rodent or dog.


Keswick is a short, socially awkward scientist who tends to stutter a lot. Likewise, he usually provides the information and the gadgets for T.U.F.F.


  • In "Toast of T.U.F.F.", Keswick's features include, but may not be limited to: gills, a "pouch", webbed feet, and egg laying. However, they were never seen again.
  • Keswick has a fear of women, however, he is frequently seen with Kitty. This is a possible goof or he may have gotten used to Kitty being around him.
  • Keswick names all of the technology that T.U.F.F. has.
  • In "Snapnapped", he helps build Verminious Snaptrap a better lair. He seemed to be able to do it even without any fitting materials.
  • In "Share-A-Lair", Keswick is seen building a small replica of the The Iron Giant.
  • In "Mom-A-Geddon", we find out that he loves bumper cars.
  • It was shown in "Chilly Dog" that Keswick has a passion for fish sticks, as he had an entire sack full of them.
  • In "Internal Affairs", he stated that he "really needed to start labeling his stuff."
  • Keswick has some slight features that resemble Timmy Turner from The Fairly OddParents. He is about the size of Timmy and he has the same buck teeth, but that is mostly because Butch Hartman created both T.U.F.F. Puppy and The Fairly OddParents.
  • Keswick's voice is closer to Larry's voice, because they are voiced by Jeff Bennett.
  • In "The Doomies", it shows that Keswick is not on good terms with his parents who wanted him to be a doctor instead of an inventor. In this episode, The Chief likes teasing him about this.
  • In "Dog Dish", Keswick has a brother-in-law named Stan and seems to be on good terms with him. This also means that Keswick has a sister since he isn't married. He also seems to be in good terms with him.
  • In "Thunder Dog", it shows that he is scared of girls and always jumps into the incinerator chute instead of the laundry shoot. Yet in every other episode, he's not afraid of girls.
  • In "Snapnapped", he pictured himself tall, muscular, and smooth-talking which, is also known to be another hologram.
  • Keswick has made a total of seven named inventions in the show so far.
  • In "Forget Me Mutt", we find out that Keswick is prone to motion sickness, which we can clearly see when he, Dudley, Kitty, and the Chief ride on the new Petropolis Monotrail.
  • In "Dog's Best Friend", Keswick accidentally admits that he doesn't seem to enjoy working at T.U.F.F., and almost won enough money to get out of "this freak show".
  • In "Watch Dog", it is a gag the fact that Keswick can invent only things which can shoot acid.
  • In "Dudley Do-Wrong", it is shown that without regular social contact, Keswick becomes literally weird.
  • In "Pup Daddy", we learn that as a teenager, Keswick had a tail and that when he grows out of it, the tails grows a new keswick, which had that two keswicks fight to the death. As a baby he looks like a fish with heat sensing fellers on his back.
  • In "Toast of T.U.F.F.", he does science at kids' birthday parties and left Billy in the 4th dimension as a result.
  • In "Top Dog", he bluntly revealed to Dudley that his lasagna is not that good as it seems.
  • Ironically he's somewhat superstitious and can't make toilet paper thinking it comes from a wizard as revealed in "Happy Howl-O-Ween".
  • It is revealed in "Hush Puppy" and "Sob Story" that Keswick has three hearts.
  • In "Lie Like a Dog", Keswick is shown to like calculus.
  • It turns out that Keswick's species tend to have strange effects when they get wet as stated in " 'Til Doom Do Us Part". Keswick said that he could become a 'couple' if you throw water on him.
  • In "Carbon Copies", Keswick had a mug that says 'World's Sexiest Mathematician' on it. He refers to himself as 'sexy'.
  • In "True Spies", Keswick revealed that he's an alien who is hiding out on earth on account of being "Wanted" because he cooked stinky fish at work.


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Current Programming

SpongeBob SquarePants
SpongeBob | Patrick | Squidward | Mr. Krabs | Plankton | Karen | Sandy | Mrs. Puff | Pearl | Gary | Mermaid Man & Barnacle Boy | Larry the Lobster

The Loud House
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Rise of the Teenage Mutant Ninja Turtles
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The Casagrandes
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It's Pony
Annie Bramley | Pony

The Patrick Star Show
Squidina Star | Cecil Star | Bunny Star | GrandPat Star

Middlemost Post
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Former Programming

Doug | Porkchop | Skeeter | Patty

Tommy | Chuckie | Phil & Lil | Susie | Angelica | Dil | Kimi | Didi | Stu | Grandpa Lou | Spike | Chas | Kira | Charlotte | Drew | Betty | Howard | Reptar | Fifi | Taffy | Ranger Margaret

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Ren Höek | Stimpy | Sven Hoek | Powdered Toast Man

Rocko's Modern Life
Rocko Rama | Heffer Wolfe | Filburt Shellbach | Spunky | Bev Bighead | Rachel Bighead | Sheila | Chuck and Leon | Alicia | Claudette | Dr. Paula Hutchison | Buddy Gecko

Aaahh!!! Real Monsters
Ickis | Oblina | Krumm

Hey Arnold!
Arnold | Helga | Gerald | Phoebe | Grandpa Phil | Grandma Gertie | Stinky | Harold | Lila | Rhonda | Sid | Brainy | Eugene | Nadine | Sheena | Olga | Miles | Stella | Abner

The Angry Beavers
Daggett Beaver | Norbert Beaver

CatDog | Winslow T. Oddfellow | Lola Caricola | CatDog's Parents | Roachie | Mervis | Dunglap | Randolph Grant | Mr. Sunshine | Murray "The Mule" Marconi | Mean Bob | Fred the Flying Fish | Gorilla | Dunlapia | Mr. Sunspock | Mervania | Randolphoran | Lolita 7 | Tallula Headbank

Oh Yeah! Cartoons
Slap T. Pooch | Jelly | Teddy | Art | Cat & Milk-Man | Jamal the Funny Frog | Thatta Boy | Zio | Hobart | Okra | Kenny | Edward and Emo | Peter Patrick and Persian Puss | Max | Tutu the Superina | Blotto | Dotto | Dot and Randy | Bene and Beck Crimson | Olly and Frank | Kitty the Hapless Cat | Super Santa | Hubbykins & Sweetypie | Little Guy and Big Guy | Urp | Trixie | Freddy Seymore | Obie | Jake Slade | Herb | Thom Turkey | Terry & Chris | Dan Danger | Debbie | Sick and Tired Skippy Spankerton | Elise | Cameron | The Semprini Triplet

The Wild Thornberrys
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Rocket Power
Otto | Reggie | Sam | Twister

As Told By Ginger
Ginger | Courtney

Invader Zim
GIR | Dib | Gaz | Professor Membrane | Skoodge | Clembrane

The Fairly OddParents
Timmy Turner | Wanda | Cosmo | Poof | Sparky | Chloe Carmichael | Jorgen Von Strangle | Mr. Turner | Mrs. Turner | Tootie | Chester McBadbat | A.J. | Tooth Fairy | Trixie Tang | Veronica | The Crimson Chin | Alternate Crimson Chins | Crash Nebula | Catman | Turbo Thunder | Flappy Bob | Mark Chang | Mama Cosma

Rudy Tabootie | Penny Sanchez | Snap

The Adventures of Jimmy Neutron: Boy Genius
Jimmy Neutron | Cindy Vortex | Carl Wheezer | Sheen Estevez | Goddard | Libby Folfax | Judy Neutron | Hugh Neutron | Granny Neutron | Zix, Travoltron and Tee | Nick Dean | Betty Quinlan | Ultra Lord | Jet Fusion

My Life as a Teenage Robot
Jenny Wakeman | Nora Wakeman | Brad Carbunkle | Tuck Carbunkle | Sheldon Lee | Vega

Danny Phantom
Danny Phantom | Sam Manson | Tucker Foley | Jazz Fenton | Jack Fenton | Maddie Fenton | Dani Phantom | Clockwork | Frostbite | Wulf

Avatar: The Last Airbender
Aang | Katara | Sokka | Zuko | Iroh | Toph | Haru

Gordon Quid | Mr. Blik | Waffle

The X's
Tucker X | Trudy X | Tuesday X | Truman X | Rex X | Home Base

El Tigre
El Tigre | White Pantera | Frida Suárez | Puma Loco

Todd | Dana | Myron | Maurecia | Mrs. Jewls | Louis

Tak and the Power of Juju
Tak | Jibolba | Moon Juju | Flora | Jeera

Back at the Barnyard
Otis | Pip | Pig | Daisy | Abby | Bessy | Freddy | Duke | Ben

The Mighty B!
Bessie Higgenbottom

The Penguins of Madagascar
Skipper | Kowalski | Rico | Private

Fanboy & Chum Chum
Fanboy | Chum Chum

T.U.F.F. Puppy
Dudley Puppy | Kitty Katswell | The Chief | Keswick | Tammy | Becky | Daisy | KIL-R

Winx Club
Bloom | Stella | Flora | Musa | Tecna | Aisha | Roxy

Kung Fu Panda: Legends of Awesomeness
Po | Shifu | Tigress | Monkey | Mantis | Viper | Crane | Mr. Ping

The Legend of Korra
Korra | Mako | Bolin | Asami Sato | Tenzin

Sanjay and Craig
Sanjay Patel | Craig Slithers

SwaySway | Buhdeuce | Bread Maker | Ketta | T-Midi | Jelly

Harvey Beaks
Harvey | Fee | Foo

Pig Goat Banana Cricket
Pig | Goat | Banana | Cricket

Welcome to the Wayne
Ansi Molina | Olly Timbers | Saraline Timbers | Leif Bornwell III | Dennis O'Bannon | Wendell Wasserman | Goodness | Katherine-Alice

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Corneil and Bernie
Corneil | Bernie

Kappa Mikey
Mikey Simon | Gonard | Guano | Lily | Mitsuki

The Secret Show
Victor Volt | Anita Knight

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Pablo | Uniqua | Tasha | Austin | Tyrone |

Blue's Clues
Blue | Steve | Joe | Josh | Spice Family

Deer Squad
Kai | Lola | Rammy | Bobbi | Ian

Dora the Explorer
Dora Marquez | Boots | Diego

Peppa Pig
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Ni Hao, Kai-Lan
Kai-Lan | Rintoo | Lulu | Tolee | Hoho Fufu

Bubble Guppies
Gil | Molly | Goby | Deema | Oona | Nonny | Zooli

PAW Patrol
Ryder | Chase | Marshall | Skye | Rocky | Rubble | Zuma | Cap'n Turbot | Robo-Dog | Everest | Tracker | Francois Turbot | Katie | Sweetie | Tuck & Ella | Rex | Wild Cat | Liberty

Blaze and the Monster Machines
Blaze | AJ | Gabby

Shimmer and Shine
Shimmer | Shine | Leah | Zac

Rusty Rivets
Rusty Rivets | Ruby Ramirez

Titular Nick Jr. Heroes
Abby Hatcher | Oobi

Lalaloopsy Heroes
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See Also: Cartoon Network Heroes