Kids[]
- Amanda Bynes
- Alisa Reyes
- Angelique Bates
- Aria Brooks
- Bryan Hearne
- Chinguun Sergelen
- Chelsea Brummet
- Christy Knowings
- Christina Kirkman
- Danny Tamberelli
- Denzel Whitaker
- Gabrielle Nevaeh Green
- Gabriel Iglesias
- Giovonnie Samuels
- Jack DeSena
- Jamie Lynn Spears
- Josh Server
- Kate Godfrey
- Katrina Johnson
- Kel Mitchell
- Kenan Thompson
- Kianna Underwood
- Kyle Sullivan
- Lex Lumpkin
- Lisa Foiles
- Lil' JJ
- Leon Frierson
- Lori Beth Denberg
- Mark Saul
- Nathan Janak
- Nick Cannon
- Reece Caddell
- Ryan Alessi
- Ryan Coleman
- Shane Lyons
- Tricia Dickson
- Victor-Cohn Lopez
- Zach McLemore
First Run- "The Golden Era" (seasons 1-6)[]
- Allen (professional cereal critic; reviews cereals such as "Lucky Germs" and "Fruit Poots" with his co-host, Alan) (Seasons 1-2)
- Jimmy Bond (teenage secret agent one-seventh; spoof of James Bond) (Seasons 1, 4-6)
- Detective Dan (a clumsy, incompetent, delusional police detective) (Seasons 2-6, 10-11)
- Dr. Bynes (very disgusting dentist) (Seasons 3-4)
- Fizz (drive-through guy at Good Burger; called "Marty" in the first appearance) (Seasons 1-4)
- Flem (uncouth, disgusting teen; spoof of "Goofus" of "Goofus and Gallant") (Seasons 2-4)
- Julio (cafeteria worker at Dullmont Junior High School under the order of the pea-obsessed lunchlady, Miss Piddlin) (Seasons 3-5)
- Milkman (a rogue milkman; arch-nemesis of Superdude) (Seasons 1-3)
- Tandy Spork (highly medicated, vegetarian teacher at Dullmont Junior High School) (Seasons 3-5)
- Walter the Earboy (an unpopular teenager with freakishly large ears) (Seasons 1-3, 5)
- Bernie Kibbitz (old Yiddish man, claims to be 130 years old; frequent customer of Good Burger.) (Seasons 3-6, 10)
- Ray Borealis (reporter of "Channel 6 1/2 News"; often sent to perilous and/or disgusting places) (Seasons 5-6)
- Studs Wilkinson (talk-show sidekick of Francis the Caveman; spoof of Ed McMahon) (Season 6)
- Toby Braun (former fitness expert who makes informercials for seemingly useless item; spoof of Tony Little) (Seasons 4, 6)
- Mumbly Spice (Spice Boy with very poor enunciation) (Season 5-6)
- Emily Maroon (Oldest child of Grover and Fern Maroon; constantly laughing for seemingly no reason) (Season 3)
- Officer Canker (serves on the "USS Spaceship" under Captain Tantrum; spoof of Dr. Spock) (Season 3-4)
- Dusty Pants (teenage cowboy from the wild west who's also a student in Ms. Fingerly's class) (Season 3-4)
- Mr. McToad (hideous half-man/half-toad seeking help from the Wizard of Cos) (Season 2)
- Mack Tackahashi (co-anchor of "Channel 6 1/2 Sports"; no relation to his co-anchor, Jack Tackahashi) (Season 5)
- 'Town Hick' (hayseed who enjoys fishing, buses, and his friend "Squash Boy") (Seasons 3-4)
- Jerry Footall (also known as Jerry Futile) (host of game shows "You Can't Win" & "Cockroaches in Your Pants") (Seasons 3-6)
- Dairy Godfather (the godfather of all things dairy and enemy of Superdude; spoof of Don Corleone from "The Godfather") (Season 5)
- Narrator of "Don't Do This at Home" and "Don't Do This at School" (voice who tells the audience what not to do at home and school) (Season 5)
- Superdude (lactose-intolerant, overly sensitive superhero; spoof of Superman) (Seasons 1-5)
- Pierre Escargot (always seen wearing a raincoat in the bathtub; teaches the audience absurd French phrases) (Season 1-5, 10)
- Lester Oaks, Construction Worker (construction worker who always states his job title as part of his name; frequent customer of Good Burger) (Season 1-5, 10)
- Burt Spice/Spice Cube (Spice Boy who was kicked out of the group for being too nerdy, but returned as a rapper; a double spoof of rapper/actor Ice Cube and the Spice Girls) (Season 5)
- Randy (chocolate-loving, teenage chef who hosts a cooking show with his co-host, Mandy; later hosts the cooking show on his own) (Seasons 1-4)
- Mavis (elderly best friend of Clavis; constantly heckles the show and its inhabitants) (Seasons 1-5, 10)
- Principal William Baines Pimpell (principal of Dullmont Junior High School who has a throbbing blemish on his forehead, as well as a very noticeable lisp) (Seasons 2-5, 7, 10)
- Miss Piddlin (short-tempered, occasionally violent lunch lady who is obsessed with peas) (Seasons 3-5, 7)
- Fred Mertz (African-American version of original I Love Lucy character) (Season 4)
- Ishboo (foreign-exchange student who relies on pity and sympathy to get his way; has incredibly weird foreign customs) (Seasons 1-3)
- Bradley, the Big Ol' Baby (an enormous, bratty infant) (Season 3)
- LaNeesha (self-centered, ghetto female employee of the "Quick-N-Fast" convenience store; best friend and co-worker of LaTonya) (Season 5)
- Antoine (short-tempered, 1970s-style hippie with an afro who appears in various sketches; also a member of the band "CJ & the Cloudy Knights") (Seasons 3-5)
- Nasty Nancy (teenage cowboy from the wild west; arch-nemesis of Dusty Pants) (Seasons 3-4)
- Baggin' Saggin' Barry (teenager with enormous pants which contain a wide variety of strange items) (Seasons 1-2)
- Bill Cosby (spoof of the famous comedian; also known as the "Wizard of Cos") (Seasons 1-2)
- Officer Ulcer (serves on the "USS Spaceship" under Captain Tantrum; spoof of Mr. Scott) (Seasons 3-4)
- Coldfinger (nemesis of Jimmy Bond who has an ice-covered right index finger; spoof of Goldfinger) (Seasons 1 & 4)
- Seymour (mute boy who reacts to various things) (Season 5)
- "Squash Boy" (character which never appeared due to "costume problems"; sometimes played by Kel) (Season 3)
- Jack Takahashi (co-anchor of "Channel 6 1/2 Sports"; no relation to his co-anchor, Mack Takahashi) (Season 5)
Kel Mitchell (Seasons 1-5)
- Ed (clueless, good-hearted cashier at Good Burger; known for his multiple catchphrases) (Seasons 1-5, 10-11)
- Okrah Winfrey (talk show host; spoof of Oprah) (Seasons 2-3)
- Pizzaface (Earboy's sensitive best friend who is as equally unpopular as he is; has a slice of pepperoni pizza for a face) (Seasons 1-3)
- Coach Kreeton (cantankerous Dullmont Junior High School gym coach who suffers many unfortunate accidents; frequently lists synonyms for words ("hall pass, ticket slip" for example) (Seasons 1-5, 10-11)
- Repairman (insane "hero" who "repairs" things with a sledgehammer and constantly add an echo to his own name) (Seasons 2-5, 10)
- Lump Maroon (Middle child of Grover and Fern Maroon; only capable of saying the word "Jupiter!") (Seasons 3-5)
- Clavis (elderly best friend of Mavis; constantly heckles the show and its inhabitants) (Seasons 1-5, 10)
- Peter (well-mannered, respectable teenager; spoof of "Gallant" from Goofus & Gallant) (Seasons 2-4)
- Disco (member of CJ & the Cloudy Knights; easily manipulated by his girlfriend, Yoko) (Season 4)
- Officer Colby (senior member, potentially the chief of the "Cheese Police") (Seasons 1-2, Season 4)
- Singo (navigator/gunner of "USS Spaceship"; sings everything he says) (Seasons 3-4)
- Alan (professional cereal critic; reviews weird cereasl alongside his co-host, Allen) (Seasons 1-2)
- Dr. K (hosts a radio show entitled "Say 'Hey!' to Dr. K", in which he gives kids and their parents advice) (Season 1-2)
- Yo-Gurl (woman made entirely of yogurt; enemy of Superdude) (Season 3)
- Cow-Boy (half-man, half-cow; enemy of Superdude) (Season 4)
- Butter Boy (man made of butter and Mìlkman's brother-in-law; enemy of Superdude) (Season 2)
- Steve Urkel (spoof of the Family Matters character) (Season 1)
- Pasta Mon (Rastafarian man made entirely of noodles who has no sauce; seeks help from the Wizard of Cos) (Season 2)
- "Squash Boy" (character which never appeared due to "costume problems"; sometimes played by Kenan) (Season 3)
Lori Beth Denberg (Seasons 1-4)
- "Vital Information" Anchor (girl who imparts pearls of "wisdom" to the audience) (Seasons 1-4; role was taken up by Danny Tamberelli in Seasons 5-6, then later Lil' JJ in Season 10 and Reece Caddell in Season 11) (Seasons 1-4, 11)
- Miss Fingerly (barely competent teacher at Dullmont Junior High School) (Seasons 1-4)
- Fran (cynical, short-tempered girl stranded on a deserted island with Kiki) (Seasons 2-3, 11)
- Ms. Hushbaum (a hypocritically loud librarian; hates when others make sound) (Seasons 2-4, 11)
- Complaint Department lady (IQ-impaired customer service employee) (Seasons 2-4)
- Ethel Mertz (spoof of the I Love Lucy character) (Season 4)
- Connie Muldoon (eccentric, quirky woman who is a frequent customer of Good Burger) (Seasons 1-4)
- Manager (owner of "We Got Pants", a store that carries only one pair of slacks) (Season 4)
- Thumbtax (hostile queen of the Thumbtax race who has a ridiculous lisp; enemy of the "USS Spaceship" crew) (Seasons 3-4)
- Sweaty Woman (Woman who costantly sweats; appears in Superdude sketches) (Seasons 3-4)
- Jenny Plus (mean girl who steals Earboy's school election idea) (Season 1)
- Mrs. Maroon (matriarch of the Maroons; usually answers random objects when someone calls or knocks on her door) (Season 3)
Katrina Johnson (Seasons 1-3)
- Ross Perot (crazy billionaire and mentor to Earboy; spoof of the real-life politician) (Seasons 1-3)
- Roseanne Barr (spoof of the comedian) (Seasons 1-2)
- Lactose Intolerance-Definer (appears in Superdude skits to define "lactose-intolerant" to nearby civilians) (Seasons 1-3; role was reprised in Seasons 4-5 by Amanda Bynes, and later by Lisa Foiles in Season 7)
- Lemonade Scammer (young girl selling lemonade that scams people out of their money using pity, guilt, or sometimes just outright crying) (Seasons 1-3)
- Dorothy (main character in "The Wizard of Cos"; poof of Dorothy From The Wizard Of Oz ) (Season 2)
- Bouncer Girl (A bouncer who won't let anyone get past her) (Season 1)
- Didi (Kiki's younger sister; only appeared once) (Season 3)
Alisa Reyes (Seasons 1-3)
- Tinsel Teeth (Earboy's friend; has Christmas decor for teeth) (Season 1)
- Sally (popular girl in Earboy's school who he has a crush on; but she thinks he's a freak because of his large ears) (Seasons 1-2)
- Kiki (upbeat, perky girl stranded on an island with Fran) (Seasons 2-3, 11)
- Penny Lane (reprising Angelique Bates' role as Superdude's "damsel-in-distress") (Season 3)
- Susumi (communications officer of "USS Spaceship" under Captain Tantrum; spoof of Lt. Uhura from Star Trek) (Season 3)
- Baggin' Saggin' Mary (competition to Baggin' Saggin' Barry; later becomes his girlfriend) (Season 2)
- Chuck Maroon (youngest child of Grover and Fern Maroon; known to have violent outbursts and is always speaking in baby talk) (Season 3)
Angelique Bates (Seasons 1-2)
- Mandy (chocolate-loving teenage chef; co-hosts a cooking show with Randy) (Seasons 1-2)
- Steve Urkel (spoof of the Family Matters character) (Seasons 1-2)
- Four Eyes (Earboy's girlfriend; literally has four eyes) (Seasons 1-2)
- Penny Lane (Superdude's "damsel-in-distress"; spoof of Lois Lane) (Seasons 1-2)
- Beth (Good Burger's newest employee who falls in love with Ed; only appeared in four sketches) (Seasons 1-2)
Amanda Bynes (Seasons 3-6)
- Ashley (extremely short-tempered girl who hosts her own show in which she gives advice; constantly receives painfully obvious questions) (Seasons 3-6, 7)
- Captain Tantrum (adolescent commander of the "USS Spaceship"; a double spoof of Captain Kirk and Captain Picard from Star Trek) (Seasons 3-4)
- Gina (teenybopper, valley girl co-host of "What-everrrrr!") (Seasons 4-6)
- Megan Marples (geeky girl with many hidden talents) (Seasons 4-5)
- Lactose Intolerance-Definer (reprising Katrina Johnson's role) (Seasons 4-5)
- Jiffy Springs (teen pop singer; spoof of Britney Spears) (Season 6)
- Skye (spacey artisan) (Season 5)
- Lucy Ricardo (spoof of the I Love Lucy protagonist) (Season 4)
- Classical music girl (plays multiple classical instruments in extremely inappropriate situations or bizarre ways) (Seasons 3-4)
- Dr. Debbie (cheerleading physician) (Season 6)
- 'Squash'-Girl (companion to the town hick) (Seasons 3-4)
- Evil Superdude (impostor who people could not tell apart from the real superhero) (Season 3)
- Penelope Taynt (recurring character from The Amanda Show; appeared in a season 7 episode) (Season 7)
Tricia Dickson (Season 3)
- Swinestein (leader of the Piganoids race; enemy to the "USS Spaceship") (Season 3)
Danny Tamberelli (Seasons 4-6)
- "Vital Information" Anchor (took over role after Lori-Beth Denberg's departure) (Seasons 5-6)
- Hairy Spice (Spice Boy with thick body hair and English accent) (Seasons 5-6)
- Boring Man (the dullest superhero ever with the power to bore people to sleep) (Season 6)
- Janitor Gaseous (cranky, disgusting Dullmont Junior High janitor; burps constantly) (Seasons 4-5)
- Francis the Caveman (primitive talk show host; frequently appeared in other sketches) (Seasons 5-6)
- Jack Campbell, Fat Cop (overweight policeman who uses crime scene investigations as an excuse to eat the victims' food) (Season 4)
- Cheeseburger Doyle: Private Eye (voice-over only; a sentient cheeseburger who doubles as a private detective) (Season 6)
- Ralph Forrester (Aussie nature expert; a double spoof of Steve Irwin and Nigel Thornberry) (Season 6)
- Cruton (enemy of "USS Spaceship"; made of crutons) (Season 4)
- Bo Stallion (reporter of "Channel 6 1/2 Sports") (Season 5)
- Helga (short-tempered girl with a heavy Dutch accent) (Seasons 5-6)
Christy Knowings (Seasons 4-6)
- Jessica (teenybopper, valley girl co-host of "What-everrrrr!") (Seasons 4-6)
- Brenda Stone (self-absorbed, lazy news anchorwoman of "Channel 6 1/2 News") (Seasons 5-6)
- Winter Wonders (host of "What Do You Do?"; spoof of Summer Sanders) (Seasons 4-5)
- Yoko (manipulative girlfriend of Disco; spoof of Yoko Ono) (Season 4)
- Hot Toe (enemy of Jimmy Bond; vixen with a big toe full of volcanic lava) (Season 4)
- Lt. Fondue (second communications officer of "USS Spaceship" under Captain Tantrum; spoof of Lt. Uhura on Star Trek) (Season 4)
- Jenny (assistant to Dr. Bynes) (Season 4)
- Gloria Bankhead (home decorator; spoof of Martha Stewart) (Season 6)
- Mrs. Kibbitz (Bernie's wife) (Season 4)
- Miss Klump (barely competent Dullmont Junior High School teacher; replacement for Miss Fingerly) (Seasons 5-6)
- Penny Lane (reprising Angelique Bates and Alisa Reyes' role as Superdude's "damsel-in-distress") (Seasons 4-5)
- Miss Williams (President of Dudco Enterprises; LaTonya's boss) (Season 6)
- Helga (Toby Braun's assistant) (Season 4)
- LaTasha (enemy of LaTonya And LaNeesha) (Season 5)
- Lulu (infant who discusses serious topics with her brother, Chester) (Season 6)
- Milly Fuco (Billy Fuco's mother) (Season 6)
Leon Frierson (Seasons 4-6)
- Leroy (young, cynical kiddie-show host; enjoys abusing his puppet co-star, Fuzz) (Seasons 4-6)
- Billy Fuco (young boy who enjoys shouting his own name) (Seasons 4-6)
- Pillow Boy (sidekick to Boring Man; places pillows under sleeping criminals) (Season 6)
- C.J. (short, cute leader of CJ & the Cloudy Knights; has biggest afro in the group) (Season 4)
- Repairboy-boy (Repairman's "second opinion") (Season 4)
- Lester Oaks, Construction Worker, Jr. (son of Lester Oaks, Construction Worker) (Season 5)
- Mr. Big (enemy of Jimmy Bond; spoof of similar villain from James Bond) (Season 6)
- Boy in "Don't Do This at Home" and "Don't Do This at School" (Boy who demonstrates what not to do at school or at home) (Season 5)
Zack McLemore (Season 4)
- Mr. Trevell (wackjob Dullmont Junior High music teacher; Miss Fingerly has a crush on him) (Season 4)
Victor Cohn-Lopez (Season 4)
- Ricky Ricardo (spoof of the I Love Lucy character)
Nick Cannon (Seasons 5-6)
- Sweaty Spice (Spice Boy who constantly perspires) (Seasons 5-6)
- LaTonya (self-centered, female employee at the "Quick-N-Fast" convenience store; Cannon later kept the character for his spinoff show, The Nick Cannon Show) (Seasons 5-6)
- Bingo (guy with giant afro) (Seasons 5-6)
- Bank Robber (appeared once in a Boring Man sketch) (Season 6)
Mark Saul (Seasons 5-6)
- Stuart (crazy young man who kidnaps people and tries to do their jobs) (Seasons 5-6, 11)
- Rhineheart, the Dancing Monkey Boy (video clip used during "technical difficulties"; also appeared in various "Vital Information" sketches) (Seasons 5-6)
- Arnie Fishback (nerdy boy) (Season 5)
- Andre (Gloria Bankhead's mute assistant; constantly annoys her) (Season 6)
- Hypno-Pants (nemesis of Boring Man; wears hypnotic trousers) (Season 6)
- Murray (stuttering child who loves balloons, then immediately pops them once he gets them) (Season 6)
- Moby Braun (Toby Braun's little brother) (Season 6)
- Nigel Forrester (Aussie nature expert; a double spoof of Steve Irwin and Nigel Thornberry) (Season 6)
- Ricardo (conceited ladies' man) (Season 6)
- Dr. Maybe (enemy of Jimmy Bond; spoof of Dr. No) (Season 5)
Gabriel Iglesias (Season 6)
- Benji Martin (Ricky Martin's younger brother) (Season 6)
- Bill Clinton (spoof of the then-president) (Season 6)
- Mr. Nice-Guy (enemy of Jimmy Bond; villain who used politeness to conquer the world) (Season 6)
- Gomer (Season 6)
- Pizza Guy (Season 6)
- Chester (Infant who discusses serious topics with his sister, Lulu) (Season 6)
Second Run- "Relaunch Era" (seasons 7-10)[]
Chelsea Brummet (Seasons 7-10)
- Bridgett (boy-crazy host of televised slumber parties in her room) (Seasons 7-9)
- Polly Baboo (overly nice "American Idiot" judge, spoof of Paula Abdul) (Season 9)
- Sharon Osbourne (Spoof of the television personality) (Season 8)
- Brittney (generic spoof of Britney Spears) (Season 7)
- Lil' Embryo's mom (mother/manager of an embyonic rapper) (Season 9)
- Abby Rhodes (ditzy teenage girl, named for the Beatles' album) (Seasons 8-10)
- Avril Lavigne (spoof of the singer) (Season 9)
- Fiona "Tea & Crumpets" lady (refined and uptight antithesis to the Sugar & Coffee hosts) (Season 8)
- Hick Sister 1 (Nashville-style singer, spoof of Wynonna Judd) (Season 7)
- Spella (witch from reality-show spoof "The Unreal World") (Season 9)
- Jessiquat Zortog (alien, owns Earth restaurant that serves soylent meat) (Season 10)
- Mega Butt (superhero with inflatable butt, member of "LAMOS" crimefighting team) (Season 10)
Jack DeSena (Seasons 7-10)
- Percy Flavin (dorky boy with whiny voice, sometimes hosts a cooking show with the Buford Rougeneck, spoof of Jerry Lewis) (Seasons 7, 9-10)
- Chuck (Rowdy Fan #1) (rabid fan of whatever's happening in the scene, friend of #2) (Seasons 8-9)
- Randy Quench (insane volunteer fireman who overreacts to anything involving heat) (Seasons 8-10)
- Clem Rougeneck (uneducated head of the Rougeneck clan, and unaware that his mother is dead) (Seasons 9-10)
- Brad Dashman (philandering conceited football jock, boyfriend of Heather) (Seasons 9-10)
- Carson Daly (spoof of the Total Request Live host) (Seasons 7-9)
- Vlad (vampire from "The Unreal World") (Season 9)
- Slimon Bowel (overly cruel "American Idiot" judge, spoof of Simon Cowell) (Seasons 9)
- Ozzy Osbourne (Spoof of the singer) (Season 8)
- Wembly "Tea & Crumpets" man (refined and uptight antithesis to the Sugar & Coffee hosts) (Season 8)
- Papa Zortog (alien, owns Earth restaurant that serves soylent meat) (Season 10)
- Dr. Fist (evil villain with giant fist, fights "LAMOS") (Season 10)
Lisa Foiles (Seasons 7-10)
- Kaffy (over-caffeinated co-host of "Sugar & Coffee") (Seasons 7-10)
- Claudia (dark, gothic friend of Bridgett, has magical powers, also reads morbid poetry to small children) (Seasons 7-10)
- Herheiney (friend of Harry Bladder, spoof of Hermione Granger) (Season 7)
- Vocabulary Girl (Lisa teaches the audience new words, while a ventriloquist dummy uses the words to mock her) (Seasons 7-9)
- Marlee (co-hosts "Trashin' Fashion", loosely references Joan Rivers) (Seasons 8-10)
- Mama Rougeneck (Co-head of the Rougeneck clan) (Seasons 9-10)
- Kelly Osbourne (spoof of Ozzy and Sharon's daughter) (Seasons 8)
- Heather Darling (philandering conceited cheerleader, girlfriend to Brad) (Seasons 9-10)
- Spirit (ghost of a cheerleader from "The Unreal World") (Seasons 9)
- Venice Hyatt (airhead socialite, spoof of Paris Hilton) (Season 10)
- Hick Sister 2 (Nashville-style singer, spoof of Dolly Parton) (Season 7)
- Lactose Intolerance-Definer (reprised Katrina & Amanda's role in the Superdude sketch when Kenan guest-starred on the show) (Season 7)
- Elaine Fist (wife of Dr. Fist) (Season 10)
- Supermodel (a villain who can turn supermodels into mannequins, appeared in an un-aired "LAMOS" sketch) (Season 10)
Kyle Sullivan (Seasons 7-10)
- Buzz (over-sugared co-host of "Sugar & Coffee") (Seasons 7-10)
- Harry Bladder (spoof of Harry Potter) (Seasons 7-8)
- Ernie (young carnival intern, operator of the "Tilt-A-Hurl" ride) (Seasons 7 & 9)
- Elliot (Bridgett's standard-issue annoying little brother) (Seasons 7-9)
- Jack Osbourne (spoof of Ozzy and Sharon's son) (Seasons 8)
- Bryan Peafest (essentially useless host of "American Idiot", spoof of Ryan Seacrest) (Season 9)
- Vince Laffoon (host of "Sneaky Camera") (Seasons 8)
- Max (enthusiastic children's show host, outfit suggests spoof of Steve Burns) (Season 8)
- Gabe (accountant from "The Unreal World" who does not know he is a werewolf and fears all of his co-inhabitants) (Season 9)
- Dr. Laser (superhero with Class II laser pointer fingers, member of "LAMOS") (Season 10)
- Rougeneck Introducer (well-to-do boy in classy surroundings who introduces each Rougeneck skit) (Season 9)
- Claude Grimes (An Australian cooking-show host) (Season 10)
Shane Lyons (Seasons 7-9)
- Buford Rougeneck (unintelligent son of the Rougeneck family, also Percy's cooking show host) (Seasons 7, 9)
- Chad (Rowdy Fan #2) (rabid fan of whatever happens in the sketch, friend of #1) (Seasons 8-9)
- Bucketman (powerful radioactive superhero with a bucket stuck over his head) (Season 8)
- Murray (clumsy roofer) (Season 8)
- Frank (spoof of Frankenstein's monster from "The Unreal World") (Season 9)
- Cupid 1 (mascot of "2-Gether 4-ever" starring Brad & Heather) (Season 9)
- Saco (brash parody of Draco Malfoy) (Seasons 7-8)
- Soupdude (superhero who makes delicious soup dishes to stop criminals) (Season 7)
- Himself (Shane fights a variety of things, always losing, also in "Advice from the Old Lady in Shane's Mouth") (Seasons 8-9)
Giovonnie Samuels (Seasons 7-9)
- Stacy Chit (host of "Chit Chat", where she frequently becomes bored with her guests) (Seasons 7-8)
- Gail (naive & sunny participant in Bridgett's slumber parties) (Seasons 7-9)
- Zit-Connector (Draws simple pictures using back-pimples) (Seasons 7-8)
- Mandy Snackson ("American Idiot" judge who constantly says, "You did your thing, dog", spoof of Randy Jackson) (Season 9)
- Pharah (sassy Egyptian mummy from "The Unreal World") (Season 9)
- Ms. Fishtail (driving instructor who intentionally distracts her students while they drive) (Season 9)
Bryan Hearne (Seasons 7-8)
- Lil' Fetus (rapper who has yet to be born, spoof of Bow Wow, Lil' Romeo & others) (Seasons 7-8)
- Zigfried (foreign-born cabbie who drives terribly and frequently calls people kumquats) (Seasons 7-8)
- Mr. Flopples (unenthusiastic children's show character, suggested spoof of the title character of Blue's Clues) (Season 8)
- ReRon (precocious best friend of Harry Bladder, spoof of Ron Weasley) (Seasons 7-8)
Jamie Lynn Spears (Seasons 8-9)
- Thelma Stump (elderly All That security guard with a love of bacon) (Seasons 8-10, Season 11)
- Carlee (co-hosts "Trashin' Fashion", loosely references Melissa Rivers) (Seasons 8-10)
- Betty Jo Rougeneck (middle child of the Rougeneck clan) (Season 9)
- Kristen (Elliot's girlfriend from "Bridgett's Slumber Party") (Season 8)
- Pickles (sadistic elf who torments Mr. Flopples) (Season 8)
- Zoe (barely animate zombie on "The Unreal World") (Season 9)
Christina Kirkman (Seasons 9-10, winner of "R U All That" competition)
- Lil' Embryo (rapper even younger than Lil' Fetus) (Season 9)
- Head (disembodied and disgruntled head of a New Yorker on "The Unreal World") (Season 9)
- Poncy Flavin (Percy's younger sister) (Seasons 9-10)
- Cindy Lou Rougeneck (the baby of the Rougeneck family) (Seasons 9-10)
- Sunshine Sally (a talking doll that drives children insane at their parents' request) (Season 9)
- Bernice (Bernie Kibbitz's great granddaughter, appeared in the 10th Anniversary show) (Season 10)
- Zsa Zsa Zortog (daughter of Mama & Papa Zortog) (Season 10)
- Squat (Claude's dirty assistant) (Season 10)
- Roxy McDoogle (escaped juvenile convict) (Season 10)
- Jen Rollands (Channel 6 1/2 News reporter) (Season 10)
Ryan Coleman (Seasons 9-10, joined midseason, finalist of "R U All That")
- Ed (reprising Kel Mitchell's role) (Season 9)
- The Sprinkler (half-man/half-sprinkler, member of "LAMOS") (Season 10)
- Jim Tasty (edible grade-school student) (Season 10)
- Rex Firestone (host of "Everything") (Season 10)
- Rodney Quench (Nephew of Randy Quench: Volunteer Fireman) (R U All That?: Nickelodeon's Search for the Funniest Kid in America) (Season 9)
Kianna Underwood (Season 10)
- Kareena Jones (an old, dangerously negligent bus driver, name is a play on the word careen) (Season 10)
- Kyra Stanks (a geeky spoof of Tyra Banks) (Season 10)
Denzel Whitaker (Season 10)
- Gwok Zortog (son of Mama & Papa Zortog) (Season 10)
- The Barber (superhero who styles hair, member of "LAMOS") (Season 10)
- Cupid 2 (new mascot of "2gether 4ever") (Season 10)
- Jeff Bester (safety tester who deems products unsafe by using them abusively) (Season 10)
- Harry Snuffer (old boyfriend of Kareena Jones) (Season 10)
- Ben Rollands (Channel 6 1/2 News reporter) (Season 10)
Lil' JJ (Season 10)
- Vital Information anchor (reprising sketch once done by Denberg and Tamberelli) (Season 10)
Third Run- "Revival Era" (season 11)[]
Nathan Janak (Season 11)
- Himself (Host of the sketch Cancelled w/ Nathan) (Season 11)
- Ariana Grande (spoof of actress, singer and songwriter, host of Story Time with Ariana Grande) (Season 11)
- Tamboreen (A baby who gossips with Papyrus while still acting like a baby) (Season 11)
- Torg (Shark Cave) (Season 11)
- Bobby (a cheerful ghost) (Season 11)
- Brad (a very handsome guy) (Season 11)
- Mater’d at “Extreme Weather Restaurant” (Season 11)
- Calculations Officer Smart (a calculations expert from the Planet Genius... or that's what his "Rez-a-May" says. In actuality, he just wanted to travel space and forged a fake resume, proclaiming himself a calculations expert) (Season 11)
- Walter the “Island Delivery” guy (The Island Boys) (stranded on an island with DJ Wyatt) (Season 11)
Kate Godfrey (Season 11)
- Marie Kiddo (A girl who teaches her viewers how to get rid of stuff by destorying them, she always shouts her catchphrase "DESTROY!!!", parody of Marie Kondo) (Season 11)
- Hot Breath (villain with fire breath in her mouth) (Season 11)
- Positive Poppi (A girl who says positive things and then bad things happen to her) (Season 11)
- Nancy (Shark Cave) (Season 11)
- Brie (A girl who live stream broadcast and give beauty tips) (Season 11)
- Detective Ann (The daughter of Detective Dan, who is also incompetent) (Season 11)
- Darcy (A Cheerleader who shows up at any event) (Season 11)
- Murphy Mary (A parody of Mary Murphy) (Season 11)
- Tammy (An obnoxious girl who gives out too much information about herself) (Season 11)
- Trisha Smith (a huge fan of Taylor Swift who mimics her “Reputation”) (Season 11)
- A weather girl/hostess (at the “Extreme Weather Restaurant”) (Season 11)
- Tevin O (another guy who tried to hook up with T@$#!eigh) (Season 11)
- Justin Bieber (spoof of Candian singer-songwriter) (Season 11)
Lex Lumpkin (Season 11)
- Nick Cannon (spoof of actor, comedian, rapper and television host, host of Masked Video Game Dancer: Celebrity Edition) (Season 11)
- Long Coat (a villain who doesn't have the power of the coat) (Season 11)
- Zeke (Prankler #2, friend of Chet, and co-host of The Pranklers) (Season 11)
- J.J. Hawkins (Host of game show Boo'd Up) (Season 11)
- Principal Grimley (Dullmont Junior High School principal) (Season 11)
- Travis Scott (spoof of rapper, singer, songwriter and record producer) (Season 11)
- Jay-Z (spoof of rapper, songwriter, record executive, entrepreneur, and media proprietor, owner of Jay-ZPenny) (Season 11)
- Park Ranger Rob (Peggy’s assistant and a victim of her demonstrations) (Season 11)
- Glitch (A parody of tWitch) (Season 11)
- Elton (the host of “Cake Clash”) (Season 11)
- Billy (co-host of Life Hacks with Billy & Millie) (Season 11)
- Lil Nas X (spoof of rapper and singer) (Season 11)
Chinguun Sergelen (Season 11)
- Dwayne Johnson (spoof of actor, businessman, and former professional wrestler, judge of Masked Video Game Dancer: Celebrity Edition) (Season 11)
- RoboArms (a robot with metal arms and fists) (Season 11)
- Andrew (A baby who sucks on items, drools, and sleeps while Papyrus and Taboreen gossip) (Season 11)
- Larry Van Halen (a losing Canadian game show contestant on “Simplicity”) (Season 11)
- Assistant at “We Sell Everything” (Season 11)
- Toilet Genie (a genie who lives in a toilet, he grands people wishes but pretends to misunderstand them) (Season 11)
- DJ Wyatt (Island Boys) (stranded on an island with Walter) (Season 11)
- Klumsy Kevin (a boy who is very clumsy and nervous, who breaks things on purpose) (Season 11)
- DJ Salad (spoof of American DJ, record executive, and record producer DJ Khaled) (Season 11)
Reece Caddell (Season 11)
- Vital Information anchor (Passed on by Lori Beth Denberg who had to return to [her] home planet, girl who imparts pearls of "wisdom" to audience, once done by Denberg, Tamberelli, and JJ) (Season 11)
- Billy Ray Cyrus (spoof of country singer and actor) (Season 11)
- Papyrus (A baby who gossips with Taboreen while still acting like a baby) (Season 11)
- Linda Shnutzenberger (a contestant of the game show Simplicity) (Season 11)
- Darla (Season 11)
- Tammy (a student at Dullmont Junior High School) (Season 11)
- Brey (A parody of Star Wars character Rey) (Season 11)
- Lucy Banner (a teenager who transforms into anything after she’s frustrated by her emotions) (Season 11)
- Allison (the co-host of Cuddly Wubbly Creatures) (Season 11)
- Toast Malone (spoof of rapper, singer, and songwriter Post Malone) (Season 11)
Ryan Alessi (Season 11)
- Adam Sandler (spoof of American actor and comedian) (Season 11)
- Mr. Trampolini (Owner of Trampolini's) (Season 11)
- Del Devine (Host of game show Simplicity) (Season 11)
- Benji (an employee of Good Burger) (Season 11)
- Chet (Prankler #1, friend of Zeke, and co-host of The Pranklers) (Season 11)
- T@$#Le!gh (a girl who tries to hook up with Trad) (Season 11)
- Dr. Bratwurst (a scientist who invents a machine which allows people, such as Bruce, to understand what their pets, such as Pretzel are thinking. Even if it's not what the owners want to hear) (Season 11)
- Rrylo Ken (The leader of a space federation, a parody of Star Wars' villain Kylo Ren) (Season 11)
- Nigel Cornberry (spoof of Nigel Lythgoe) (Season 11)
- Leslie Van Pruitt (a dance teacher who teaches bad dancing) (Season 11)
- Scooter Byrd (parody of Scooter Braun) (Season 11)
Gabrielle Nevaeh Green (Season 11)
- Beyoncé (spoof of singer, songwriter and actress, judge of Masked Dancer Video Game: Celebrity Edition and entrepreneur of Bed, Bath & Beyoncé) (Season 11)
- Rocket Shoes (Season 11)
- Literally Liza (A superheroine who takes everything literally. This is a cross parody of Amelia Bedelia and Captain Literally from Studio C) (Season 11)
- Alicia (A barista employee at Coffee, Coffee, Coffee, Coffee, Coffee, Coffee) (Season 11)
- Trad (A guy who tries to hook up with T@$#Le!gh) (Season 11)
- Park Ranger Peggy (A Park Ranger who supposedly is an expert but isn’t) (Season 11)
- Cat Litter (A parody of Cat Deeley) (Season 11)
- Betty McGee (Host of “Stay Off Your Phone”) (Season 11)
- Millie (co-host of Life Hacks with Billy & Millie) (Season 11)
- Supreme Girl (Season 11)
- Cardi Beef (a parody of rapper, singer and songwriter Cardi B) (Season 11)
- Ava Allswell (a TV reporter for KNCK) (Season 11)
Aria Brooks (Season 11)
- Amber (Season 11)
- Eureka (a psychic who tends to get her predictions backwards) (Season 11)
- Lieutenant Umlaut (a high-ranking officer of the Star Crew, parody of Star Trek character Lieutenant Nyota Uhura) (Season 11)
Adults[]
Dan Schneider (seasons 1-10)
- Mr. Bailey (manager of Good Burger after season 1)
- "Ask Ashley" Announcer (weird voice that leads into & out of "Ask Ashley" skits)
- Old Lady in Shane's Mouth (Season 9)
- "Know Your Stars" Announcer (reprising Brian Peck's role) (Seasons 9-10)
Bonnie Helman
- Ms. Bubbell (Season 10)
Soup (seasons 1-6)
- Announcer
Kevin Kopelow (seasons 1-6, 11)
- Kevin the stage manager (tells the cast when they have 5 minutes to air, then is abused by the cast)
Tim Goodwin (seasons 1-3)
- Manager of Good Burger (Unnamed manager of Good Burger during season 1. Later replaced by Dan Schneider)
- Usually plays a dad.
Brian Peck (seasons 7-10)
- Pickle Boy (a mute man who shares his love of pickles with all)
- "Know Your Stars" Announcer (an unseen voice that mocks cast members and guest stars) (Seasons 7-8)
Jeremy Rowley (seasons 7-8)
- Professor Chafe (mean teacher of Harry Bladder, spoof of Severus Snape)
- "Tilt-A-Hurl" Operator (very messy man, due to his job)
- "Rate the Pain" Victim (man who receives an injury, then rates it from 1-10)
Britney Spears (various episodes throughout the series)
- Herself
Cherinda Kincherlow
- Fat Cheerleader (woman who just screams, season 9)
- T R Yell Fan (Season 9)
Unknown
- Mee-Ma Rougeneck (deceased mother of Papa Rougeneck, seasons 9-10)
- Lil' Fetus's mother (fetal rapper's mom/manager, seasons 7-8)
- "Connect the Zits" canvas (man with back acne who is drawn upon by Giovannie, seasons 7-8)
- Old Man (a man who is old, member of "LAMOS", season 10)
- Hillbilly Jug Band (A hillbilly band with midgets, season 9)
- Maude (Kyle's elderly girlfriend, season 10)
Prop Characters[]
- The Big Ear of Corn - see name, seasons 1-6, 10, 11
- Action League Now! - action figures, sometime during season 1
- Fuzz (Kevin Carlson) - an annoying puppet, seasons 4-6
- Dead Spice - a guitar-playing skeleton, seasons 5-6
- Oswald (Dan Schneider) - an obnoxious ventriloquist dummy, seasons 7-9
- Mr. Artichoke Head - inanimate doll owned by Kareena Jones, season 10