Jeffy (SML)
0Loading crowd target
0Loading crowd target
7correct to beat the crowd
40 free Jeffy (SML) trivia questions with answers — pop culture quiz, new questions added Oct 2026.
Jeffy arrived on the SML channel in 2016 as a one-off gag and ended up as its mascot. The puppet with the helmet and the cross-eyed stare has since carried hundreds of videos, a rap career and a run of feature-length birthday specials. This quiz covers the things fans remember: what Jeffy wears, what he refuses to eat, who raised him and who performs him. It also takes in the real-world story behind the channel, from the puppet's origins to the legal trouble that changed the cast. It is written for SML viewers of every level. The early questions are ones most fans will get, and the later ones reach into behind-the-scenes details.
30 of 40 questions with answers and explanations. Play the quiz
Q 01What does Jeffy keep stuck up his nose, the same object he shows off in his first SML line?
A pencil
A pencil lives in Jeffy's nose, and the bloopers for his first video show that the crew used only the snapped-off end of one.
Q 02Which vegetable does Jeffy hate so much that a giant once cursed him into becoming one?
Green beans
Green beans are Jeffy's sworn enemy, and in Jeffy and the Beanstalk! a giant turns him into a human-sized one until he eats a whole plate of them.
Q 03What does Jeffy wear on the outside of his jeans, claiming that this keeps it from getting dirty?
A diaper
A diaper sits over Jeffy's jeans, and his habit of spanking it began as an unscripted bit by his puppeteer that made the whole cast laugh.
Q 04Which real politician does Jeffy debate and defeat in an SML Movie released on Election Day 2020?
Donald Trump
Donald Trump loses to Jeffy in President Jeffy!, where Jeffy first runs for class president by promising that nobody will ever have to do homework again.
Q 05Which real 2017 sky event fell on Jeffy's 13th birthday and made it into his birthday video?
A solar eclipse
A solar eclipse crossed the United States on Jeffy's birthday in 2017, and in the video his family expects it to last one minute but it goes on for ten.
Q 06Which company's 2021 legal letter forced Jeffy's plush SML co-stars to be replaced by human puppets?
Nintendo
Nintendo sent SML's creator a cease-and-desist letter in February 2021, so its plush heroes gave way to look-alike puppets while Jeffy, an original character, stayed as he was.
Q 07Which 2017 toy craze does Jeffy's adoptive dad buy him in the hope that it will keep him quiet?
A fidget spinner
A fidget spinner silences Jeffy only while it is turning, so his dad has to keep flicking it; fans had requested the episode hundreds of times.
Q 08Which Netflix hit does Jeffy's class re-enact in 2021, with a year free of homework as the prize?
Squid Game
Squid Game reached SML about a month after the show's debut, and the one-off episode grew into a multi-part series that follows the later seasons.
Q 09What is written across the front of Jeffy's yellow T-shirt so that he never forgets it?
His own name
His own name is on the shirt, put there by his mother, and when a classmate scribbles a different one on it he believes that is what he is called.
Q 10What colour is the helmet Jeffy always wears, which SML first planned to make red?
Blue
Blue won out over the red helmet that SML first planned, and Jeffy was not seen without it until Where's Jeffy?, three months after his debut.
Q 11Which animal gives its name to the toy piano that Jeffy loves, first seen in Jeffy's Homework!?
A cat
A cat gives the Cat Piano its name, and the toy has been wrecked and replaced again and again, the first time when Jeffy's dad threw it out of a window.
Q 12Which dessert is Jeffy denied for dumping his dinner, leading him to lock his dad out of the house?
Chocolate cake
Chocolate cake is the prize in the SML short Locked Out, where Jeffy closes the blinds and foils every attempt his dad makes to get back indoors.
Q 13What name has Jeffy's long-suffering adoptive father used since SML switched to human puppets?
Marvin
Marvin is the name the character took when the plush cast was retired, and he became Jeffy's legal father once Jeffy's birth mother had been arrested.
Q 21What is the job of Jacques Pierre François, the rich Frenchman revealed as Jeffy's birth father?
A painter
A painter of world renown, he is reported dead in Jeffy's Parents!, leaving Jeffy his millions, but a later birthday special shows that he faked it.
Q 22Which stage name does Jeffy take when Tyrone turns him into a hit rapper in a 2017 SML Movie?
J-Fee
J-Fee looks like a play on Jay-Z, and the plan in the episode is for each spell in jail to set up a new song and another payday.
Q 23Which one-word question is the title of the rap single Jeffy released in 2017 with a hit video?
Why?
Why? is the debut single, and its official music video went on to become the most-viewed upload on SML's second channel.
Q 14What is Jeffy's adoptive mother called in SML's human-puppet era, after her 2021 change of name?
Rose
Rose is the new name of the doting mom who gave Jeffy his toy piano and who nearly always gives in to whatever he demands.
Q 15What is the name of Jeffy's birth mother, who left him on a stranger's doorstep with a sticky note?
Nancy
Nancy returns in Jeffy's Parents!, wanting him back only for the fortune that his late father left in trust until Jeffy turns 18.
Q 16Which SML cast member, the older brother of the channel's creator, voices and puppeteers Jeffy?
Lance Thirtyacre
Lance Thirtyacre performs Jeffy, and it was he who first told his younger brother about YouTube, which led to the plush videos that began in 2007.
Q 17Which teacher at Y U DUMB? Elementary School has Jeffy, Junior and Cody in his class every year?
Jackie Chu
Jackie Chu follows the gang from one school year to the next, and he is performed by the same puppeteer as Jeffy, who calls the role a strain on his voice.
Q 18What is the name of Jeffy's clone, made by a classmate's cloning machine in a 2018 SML Movie?
Scooter
Scooter was made from a spare Jeffy puppet first used for one of Jeffy's emotions, and he vanished for almost two years before returning in 2020.
Q 19Which horror game did SML turn into a Jeffy series that began in October 2023?
Five Nights at Freddy's
Five Nights at Freddy's became a run of SML videos in which Jeffy and a police officer guard one haunted pizzeria after another, ending with Sister Location.
Q 20What is the name of Jeffy's younger half-sister, who wears a pink helmet in a 2016 SML Movie?
Feebee
Feebee turns up in Jeffy's Sister!, and her puppet was built by the same studio that made the Jeffy puppet.
Q 24Which video game's battle pass does Jeffy want so badly that he takes a job at a sandwich shop?
Fortnite
Fortnite drives the plot of Jeffy Gets a Job!, after his dad refuses to hand over a credit card and tells him to earn the money himself.
Q 25Which anime is Jeffy obsessed with when he turns up at school in costume and blasts the class bully?
Dragon Ball Z
Dragon Ball Z inspired the series Jeffy Ball Z, in which Jeffy calls himself Jeffyku and hunts for the seven balls that will grant him a single wish.
Q 26On which TV show does Jeffy pitch a smiley-faced sponge to investors and win a million-dollar deal?
Shark Tank
Shark Tank is spoofed in Jeffy's Invention!, where the deal falls apart because the product is really a Scrub Daddy that Jeffy passed off as his own.
Q 27What kind of pet is Booger, which comes from an egg that Jeffy and Junior dig up in the backyard?
A dinosaur
A dinosaur called Booger comes from the egg the boys find while hunting for bones, and Jeffy even puts on a costume to sit on it.
Q 28What does Jeffy's dad change and then withhold until Jeffy does his chores, in a 2018 SML Movie?
The Wi-Fi password
The Wi-Fi password goes from 1234 to ABCD in Jeffy's Wifi Problem!, which ranked among SML's most-watched videos by the time the old channel closed.
Q 29To which city does Jeffy travel for his 21st birthday in a 45-minute SML special released in 2025?
Las Vegas
Las Vegas is where Jeffy wins millions at a casino and is then kidnapped by his own father, who is desperate to hide that he ever had a son.
Q 30Which January 2016 SML Movie introduced Jeffy, at first meant to be a one-off character?
Mario The Babysitter!
Mario The Babysitter! was planned as Jeffy's only appearance, but he proved so popular that he went on to become the mascot of the whole channel.