Johnny Test
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50 free Johnny Test trivia questions with answers — trivia quiz, new questions added Oct 2026.
Johnny Test ran for six seasons and later came back for a streaming revival, which makes it one of the longest-running animated comedies of its era. The setup is simple: an eleven-year-old boy, two genius twins who treat their brother as a lab subject, and a talking dog called Dukey who is usually the only sensible one in the room. This quiz covers the whole series: the Test family and the neighbors, Bling-Bling Boy and the rest of the villains, Johnny X and his powers, memorable episodes, and the actors and artists who made the series. Every question comes with a short explanation, so you learn something new even when you miss. It is written for fans who grew up watching on weekend mornings and after school. The questions start easy and finish with a few deep cuts for viewers who remember the inventions and the villains' schemes in detail.
30 of 50 questions with answers and explanations. Play the quiz
Q 01Johnny Test creator Scott Fellows based the genius twins Susan and Mary on which people from his own family?
His real-life sisters
His real-life sisters share the twins' first names, and Fellows modeled the troublemaking title character on himself as a boy.
Q 02James Arnold Taylor, the voice of Johnny Test, is also known for voicing which Jedi in animated Star Wars series?
Obi-Wan Kenobi
Obi-Wan Kenobi has been Taylor's role since the 2003 Clone Wars shorts, and he also voices the hero Ratchet in the Ratchet & Clank games.
Q 03Which food makes alien ruler Dark Vegan settle near Johnny Test, because his own planet cannot produce it?
Toast
Toast became his new favorite food while he was stranded here, so after finally getting home to Vegandon he came straight back to live as a regular resident.
Q 04Which dish does Johnny Test's stay-at-home dad Hugh obsessively cook, even though the rest of the family despises it?
Meatloaf
Meatloaf is Hugh's pride and joy, and the 2021 revival even named its 66-minute special Johnny Test's Ultimate Meatloaf Quest.
Q 05Johnny Test creator Scott Fellows also made which Nickelodeon sitcom about four Minnesota friends who form a boy band?
Big Time Rush
Big Time Rush ran on Nickelodeon from 2009 to 2013, and Fellows also created the school comedy Ned's Declassified School Survival Guide.
Q 06Johnny Test and his family live in which fictional suburban town that he regularly has to save?
Porkbelly
Porkbelly gives its name to much of Johnny's world, including his middle school and the local TV news.
Q 07On Johnny Test, how did the family dog Dukey gain human intelligence and the ability to speak?
Genetic enhancement
Genetic enhancement by Susan and Mary made Dukey as smart as a person, though he still plays the ordinary pet whenever the parents are around.
Q 08Tiny'Mon, the monster-battling video game that pulls Johnny Test into its world, is a parody of which real franchise?
Pokémon
Pokémon is the target right down to the rival trainer, Blast Ketchup, whose name spoofs the hero Ash Ketchum.
Q 09What job do Mr. Black and Mr. White hold on Johnny Test, despite being slackers who are hopeless at it?
Secret agents
Secret agents Black and White first appeared as villains, but they now turn to the Test kids whenever a crisis is too big for them.
Q 10Which rival of Johnny Test wears a red lightning bolt in her blonde hair and hides a crush on him?
Sissy Blakely
Sissy Blakely masks her feelings by competing with Johnny at everything and bragging whenever she beats him.
Q 11Which good-looking but dim teenager do Susan and Mary constantly try to impress with their inventions on Johnny Test?
Gil Nexdor
Gil Nexdor has lived next door since the twins were born, yet he barely knows they exist and treats Johnny as his buddy instead.
Q 12What is the real first name of Johnny Test's wealthy rival Bling-Bling Boy, which he hates being called?
Eugene
Eugene Hamilton insists on his showy nickname, but most characters address him by his given name anyway, which annoys him greatly.
Q 13Which bully torments Johnny Test at middle school yet has a soft spot for roses and keeps his own rose garden?
Bumper Randalls
Q 21Which signature power does Johnny Test's superhero alter ego Johnny X use to blast gale-force wind at enemies?
Hurricane hands
Hurricane hands are his go-to attack, alongside shapeshifting, teleportation and the far less dignified power poots.
Q 22King Zizrar, a Johnny Test villain who keeps trying to invade the surface, rules which underground race?
The mole people
The mole people follow Zizrar up from their tunnels, though he is a pushover who turns coward whenever the odds go against him.
Q 23Brain Freezer, an icy Johnny Test villain, builds his freezing inventions around which drink he used to serve?
Coffee
Bumper Randalls would rather grow flowers than fight, but some episodes imply his father is pushing him to become a wrestler.
Q 14Which cable channel became Johnny Test's American home for its final three seasons, ending in 2014?
Cartoon Network
Cartoon Network saved the series: the third season's last episode was written as the ending until the channel ordered a fourth.
Q 15Which Johnny Test archenemy runs his own toy company even though he deeply loathes children?
Wacko
Wacko designs wildly destructive toys in the hope of ridding the world of youngsters, and Johnny keeps foiling him.
Q 16Which Johnny Test villain was created when lazy student Tim Burnout copied the science that made Dukey talk?
Mr. Mittens
Mr. Mittens is a cat with his own butler who dreams of turning everyone on the planet into cats, and he coughs up hairballs at awkward moments.
Q 17Which streaming service revived Johnny Test in 2021, bringing back creator Scott Fellows as showrunner?
Netflix
Netflix ordered two new seasons with a redesigned look, and most of the original voice cast came back for the revival.
Q 18The very first Johnny Test episode sends Johnny to which destination from a Jules Verne title?
The center of the Earth
The center of the Earth is where Johnny goes hunting for whoever keeps pulling things underground, in a premiere titled after Verne's novel.
Q 19Which punishment does Johnny Test's dad Hugh give his children for a month at a time, even over tiny offenses?
Grounding them
Grounding them is Hugh's answer to everything, a running gag that makes him the disciplinarian of the family while his wife is far less strict.
Q 20Which item of clothing on Johnny Test makes its wearer a genius but grows dangerously obsessed with Johnny himself?
A pair of pants
A pair of pants called the Super Smarty Pants has its own artificial intelligence, hates Dukey and later travels all the way from Antarctica to reclaim Johnny.
Coffee was his trade at the twins' institute before he turned to crime, and his Chillachino Machine can freeze anything, even into a suit of ice armor.
Q 24The Beekeeper's first scheme on Johnny Test sent his bees to devour all of the world's supply of what?
Candy
Candy was the target because nobody bought his healthy Piles 'O Honey Bars, so he wanted every rival sweet off the shelves.
Q 25Besides cooking, which household chore is Johnny Test's dad Hugh so obsessed with that it defines his character?
Cleaning
Cleaning is Hugh's great passion as the stay-at-home parent, while his wife goes out to work as a corporate businesswoman.
Q 26In an early Johnny Test episode, Bling-Bling Boy steals a device that turns things into what?
Gold
Gold is what the stolen gadget makes, and Johnny has to win it back before dinnertime in an episode billed as Johnny vs. Bling-Bling Boy.
Q 27Mr. Black and Mr. White's boss, the General, commands which army base on Johnny Test, a spoof of a real one?
Area 51.1
Area 51.1 is run by a forgetful, glory-hungry commander who tends toward overkill, once opening fire on an amusement park to stop a monster.
Q 28Repto-Slicer, the razor-covered mutant lizard Johnny Test tames, has which power tool in place of a tongue?
A chainsaw
A chainsaw tongue is the oddest feature of a creature built by Bling-Bling Boy, who managed it so badly that it chose to stay with Johnny.
Q 29Ashleigh Ball, a longtime voice of Mary on Johnny Test, voices Applejack and Rainbow Dash in which franchise?
My Little Pony
My Little Pony: Friendship Is Magic made Ball a guest of honor at fan conventions, and she is the subject of the documentary A Brony Tale.
Q 30On which Saturday-morning block did Johnny Test premiere in September 2005, before the series changed channels?
Kids' WB
Kids' WB carried the first three seasons, moving with the block from The WB to The CW after the two networks merged in 2006.