73 Undertale Funny Comic Puns for the Fans (2025)

Get ready to laugh with Undertale’s funny comic puns. They are full of determination and humor, showcasing the community’s creative side. You’ll find jokes about Papyrus and Sans that are to die for, and they will make you smile.

If you love Undertale, you will enjoy these puns. They are made by fans who love the game, and they are very funny. What’s your take on these puns, are you ready to see them?

Undertale Puns, Jokes & One-Liner Generator (2025)

Best Puns & Jokes For 2025

The Undertale universe is filled with quirky characters and situations that lend themselves perfectly to comedic interpretations, especially through puns and jokes that play on the game’s elements.

From Undertale’s charming protagonists to its eccentric antagonists, every aspect of the game can be twisted into a humorous anecdote or witty one-liner.

• I tried to tell my friend who was stressed about his upcoming exams to channel his inner Undyne and just “spear” his fears, but he just gave me this look like I’d thrown a kitchen sink at him.
• My dating life is like fighting Mettaton EX on a pacifist run: fabulous, flashy, and utterly dependent on me not hurting anyone’s feelings, which means it’s ultimately unsustainable and I’m probably gonna end up just starving to death.
• I told my therapist I felt like I was trapped in a time loop, constantly making the same mistakes, and she said, “Well, have you considered trying a different route? Maybe you need a true reset, like Frisk going on a genocide run… but, you know, without the actual genocide.”
• Remember, folks, if you’re feeling down and out, just remember what Sans says: always keep an eye out for a good opportunity, even if it seems like everything is stacked against you; and if that doesn’t work, at least you’ll be too tired to care.
• I was trying to bake a cake for my friend’s birthday, but I accidentally used Monster Candy instead of sugar, so it tasted like… well, let’s just say it was so sweet it felt like I was facing Asriel Dreemurr at the end of a pacifist run and it nearly tore my SOUL out.
• My landlord called me last night, mad that I hadn’t payed rent, and I was about to try and reason with him when I realized he was wearing a blue jacket and sandals. So I apologized and gave him a hundred dollar bill, because there was no way I was gonna have a bad time.
• My mom asked me why I was spending so much time playing Undertale, and I told her it was because I was trying to achieve true emotional maturity through facing my fears and making meaningful choices, but really it’s just because Papyrus is spaghetti-tively the best character ever.
• Trying to explain the plot of Undertale to someone who’s never heard of it is like trying to describe the exact flavor of Monster Candy: you can tell them it’s sweet and vaguely nostalgic, but they won’t truly understand until they experience the crippling emotional trauma for themselves.
• Scientists have discovered that playing Undertale can actually increase your empathy, but I’m pretty sure it just made me want to adopt a talking flower, hug a goat mom, and tell skeletons to bone– up on their puns… so, progress, I guess?
• The skeleton brothers, Papyrus and Sans, walked into a bar, and the bartender said, “You’re a real grave couple, aren’t you?”
• Why did Undyne become a chef, because she was great at reeling in the flavors and hooking her customers on her dishes?
• What did Alphys say to the pizza delivery guy, “I’m comic sans emotions today, just leave the pizza at the door?”
• Papyrus went to the doctor and said, “Doc, I’ve got a bone to pick with you,” and the doctor replied, “Well, that’s a real skeletal issue.”
• Why did Mettaton go to therapy, because it had a lot of “dramatic” issues to work through and needed to reflect on its actions?
• What do you call a Papyrus who’s a good listener, all ears, and a Sans who gives outdated advice, a duo of ” rib-tickling” counselors?
• Why did Sans become a baker, because he kneaded the dough, and it was a grave misunderstanding if you thought he didn’t.
• Undyne took her fish for a walk and said, “You’re having a reel good time, aren’t you?”
• What did the sign on Papyrus’s door say, “Papyrus isn’t home, he’s out having a skeletal holiday, bone appétit?”
• Mettaton starred in a new TV show, and it was a “drama” filled with “metal” performances that left the audience in awe.
• Sans told Papyrus, “You’re so lazy, you make sloths look like they’re in a hurry,” and Papyrus retorted, “Hey, that’s a low blow, brother.”
• What do you call a fish in Undertale, a “reel” character with a “whale” of a story to tell?
• Papyrus said to Sans, “Why are you always so calm?” and Sans replied, “Because I’m a sans-serious person.”
• Alphys was reading a book on anti-gravity, and it was impossible to put down, literally, because it was stuck to her hand.
• Why did the Undyne go to the party, because she heard it was a “reel” good time, and she wanted to “sea” what all the fuss was about?
• What did Papyrus say when Sans asked him to go for a walk, “Aww, do we’ve to, I’m having a doggone good time right here?”
• Mettaton became a hairdresser, and his salon was a “cut” above the rest, with styles that were the “root” of all fashion.
• Undyne’s favorite food is pizza, because it’s the “catch” of the day, every day, and she’s hooked on it.
• Why was Sans afraid of the dark, because he was worried about the “grave” consequences?
• What do you call a group of cows playing instruments in Undertale, a “moo-sical” band with a “beef” with the competition?
• Papyrus went to the gym and said, “I’m here to get some bone density,” and the trainer said, “Well, let’s get down to brass tacks then.”
• Alphys tried to start a garden, but it was a failed experiment, because everything she touched turned to “stone,” and her green thumb was actually a “rock” solid failure.
• Why did Mettaton become a teacher, because he was great at “metal”-ing out lessons, and his students were always “star”-struck.
• What did Sans say when Papyrus asked him to help move, “Aww, do we’ve to, I’m having a wheel good time right here?”
• Papyrus and Sans went to the amusement park, and Papyrus said, “This ride is to die for,” and Sans replied, “Well, let’s not get too grave about it.”
• Why was Alphys’s cat invited to all the parties, because it was the “paw-ty” animal, and it always had a “whale” of a time?
• Mettaton went to the doctor and said, “Doc, I’ve got a screw loose,” and the doctor said, “Don’t worry, it’s just a metal issue.”
• Undyne became a tour guide, and her tours were always a “reel” success, with “fin-tastic” views and “ocean”-sized fun.
• What did Papyrus say to Sans when he woke up in the morning, “Rise and shine, brother, it’s time to get this bone show on the road?”
• Why did Alphys go to the beauty parlor, because she wanted a “rock”-ing new hairstyle, and she was tired of having a “stone”-cold look?
• Mettaton started a band, and they were a “metal” sensation, with “dramatic” performances that always brought the house down.
• Papyrus and Sans went to the restaurant, and the waiter said, “I’m afraid we’re all out of bones,” and Papyrus replied, “Well, that’s a grave problem.”
• What do you call a bear with no socks on in Undertale, barefoot, and a little “grizzly” about it?
• Undyne went to the gym and said, “I’m here to get some fin-tastic abs,” and the trainer said, “Well, let’s dive right in then.”
• Why did Sans become a detective, because he was great at “uncovering” the truth, and he always got to the “bone” of the matter?
• What did Alphys say to Mettaton when he asked her to the dance, “I’m afraid I’m already taken, by the ‘stone’-cold truth that I’m not interested?”
• Papyrus went to the beauty parlor and said, “I want a haircut that’s to die for,” and the stylist said, “Well, let’s not get too grave about it, but I can give you a haircut that’s killer.”

Also Read: Bar Puns, Jokes & One-Liners

Funny One-Liners & Wordplay (2025)

Funny one-liners and wordplay are a staple of Undertale humor, often combining clever uses of language with the game’s quirky characters and situations. The result is a collection of jokes that are both amusing and clever, making for entertaining reading.

• Papyrus tried to start a band, but it was a grave mistake, and the reason was he couldn’t find a killer drummer.
• Sans asked Papyrus why he was reading a book on anti-gravity, and the response was because it was impossible to put down, which was a real bone of contention.
• The Undertale characters went to a restaurant and found the sign that said, “Breakfast Anytime,” so they ordered French toast during the Renaissance, and it was a historical joke.
• Mettaton, the location’s most popular star, wanted to start a cooking show, but his recipes were always a little too dramatic, and his signature dish was a real show-stopper.
• The Undertale characters found a dog that was a great listener, but it was a paws-itive nightmare to get it to stop howling at the mailman, and the joke was why it was a ruff crowd.
• Papyrus and Sans discovered a skeleton who wasn’t lazy, and when they asked why, he said it was because he’d a lot of backbone, and the brothers were shocked.
• The characters attended a magic show in the underground, but the magician’s tricks were always somewhat of a disappointment, because he kept pulling rabbits out of a hat, and it was a hare-brained scheme.
• The Undertale protagonist met a ghost who was a terrible listener, because every time they tried to talk, the ghost would just fade away, and the joke was why it was a real boo-hoo.
• Papyrus tried to start a career as a professional snail trainer, but it was a slow business, and the reason was he couldn’t shell out the cash for a bigger studio.
• Sans and Papyrus started a cooking blog, but their recipes were always bone-chillingly bad, and the joke was why their fans had a lot of beef with them.
• Mettaton became a master of disguise, but his costumes were always a little too flashy, and the joke was why he was a real trend-setter.
• The Undertale characters discovered a secret underwater city, and the fish there were always making waves with their fin-tastic jokes, but the real joke was why they were so shell-shocked.
• Papyrus tried to start a garden, but it was a real challenge, and the reason was he kept getting weeded out by the competition, and the joke was why he needed to get to the root of the problem.
• The Undertale protagonist met a talking egg who was a great comedian, but his jokes were always a little too fowl, and the joke was why he was a real egg-spert.
• Sans and Papyrus started a detective agency, but their methods were always a little unorthodox, and the joke was why they were always bone-ified to get to the bottom of things.
• The Undertale characters attended a comedy club in the underground, and the comedian’s jokes were always to die for, but the real joke was why the audience was dying laughing.
• Mettaton became a master of mind games, but his puzzles were always a little too mind-bending, and the joke was why they were a real brain-twister.
• Papyrus tried to start a business selling bones, but it was a real grave mistake, and the reason was he couldn’t find a killer market, and the joke was why it was a dying breed.
• The Undertale protagonist met a skeleton who loved to knit, and when they asked why, he said it was because he loved making a little something out of nothing, but the real joke was why it was a real yarn.
• Sans and Papyrus discovered a hidden world of Undertale-themed puns, and it was a real treasure trove of dad jokes, but the joke was why it was a gold mine of humor.
• The Undertale characters attended a music festival, and the bands were always making waves with their music, but the real joke was why the fish were the biggest fans, and it was a real catch.
• Papyrus tried to start a career as a professional clown, but it was a real challenge, and the reason was he kept getting booed off the stage, and the joke was why he needed to get a new act together.
• Mettaton became a master of impressions, but his voices were always a little too dramatic, and the joke was why he was a real chameleon.
• The Undertale protagonist met a ghost who was a great singer, but his songs were always a little too spooky, and the joke was why he was a real scream.
• Sans and Papyrus started a business selling Undertale-themed merchandise, but their products were always a little too bones-related, and the joke was why they were a real grave concern.
• The Undertale characters attended a comedy roast, and the jokes were always to die for, but the real joke was why the audience was dying laughing, and it was a real burn.
• Papyrus tried to start a career as a professional baker, but his pastries were always a little too crumby, and the reason was he kept getting floured by the competition, and the joke was why he needed to get a new recipe.
• The Undertale protagonist met a skeleton who loved to dance, and when they asked why, he said it was because he loved getting a little rattle out of life, and the real joke was why it was a real bone-shaker.
• Sans and Papyrus discovered a hidden world of Undertale-themed jokes, and it was a real treasure trove of humor, but the joke was why it was a little too bone-dry.
• Mettaton became a master of magic tricks, but his illusions were always a little too flashy, and the joke was why he was a real show-off.

Also Read: Dust Puns & Jokes

Top Witty Puns For 2025

The world of Undertale is full of quirky characters and situations that lend themselves perfectly to humor, particularly through witty puns that play on the game’s unique elements.

With its memorable cast, including Sans, Papyrus, and Undyne, the opportunities for clever wordplay and jokes are endless, making Undertale funny comic puns a treasure trove of entertainment.

• The skeleton brothers Sans and Papyrus went to a party, and Sans was a bone-afide DJ, while Papyrus was a rib-tickling comedian.
• In Undertale, the underground’s hottest new band is called “The Determined,” and their music is so good it’s to die for, but fortunately, you can reset.
• Papyrus tried to start a garden, but it was a real grave undertaking because everything he planted was dying to get out.
• Undyne’s fish sticks are so popular in the underground that they’re the sole food everyone’s talking about, and she’s hooked on the feedback.
• Sans’ favorite type of music is skeleton crew chants, and he finds them humerus.
• When Papyrus tried cooking, his dishes were so bad they were to die for, but in Undertale, you can just load a save and try again.
• The underground’s newest trend is wearing determinated sneakers, which are so cool you’ll want to Undertale them all day.
• Alphys’ lab is a real mess, with beakers and test tubes everywhere, but at least her experiments are always a gas.
• Mettaton’s new TV show is a real star-studded event, but the ratings have been a little underwhelming, leaving him feeling star-crossed.
• Undyne’s fish friends are always having a whale of a time at her parties, even if they’re a little shell-shocked by the end.
• Papyrus’ favorite book is about a character named “Bones,” and he just can’t get enough of the skeleton crew.
• In the underground, the trees are always pining for attention, but it’s hard to branch out when you’re surrounded by rocks.
• Sans and Papyrus love playing pranks on each other, but their jokes are always so cheesy, they’re grate.
• The underground’s most popular sport is “dodge the bullet,” and Sans is the undisputed champion because he’s always a step ahead.
• When Undyne’s not fighting, she loves to knit, and her scarves are always the catch of the day.
• Mettaton’s diary is filled with entries about his favorite topic: himself, and it’s a real page-turner, if you’re into that sort of thing.
• Alphys’ favorite element is lab-created life, but her creations are always a little too full of hot air.
• Papyrus tried to start a rock band, but they were always a little off-beat, and their music was more like a pile of rubble.
• The underground’s favorite type of candy is “determination dots,” and they’re so popular, you’ll want to save them all.
• Sans’ favorite type of flower is the “daisy chain,” because it’s always linked to good memories.
• Undyne’s fish sticks have become so popular that she’s opened up her own restaurant, and it’s the sole place to be.
• Mettaton’s TV show has a new segment called “star search,” and it’s a real undertaking, but someone’s gotta do it.
• Alphys loves experimenting with new types of slime, but they always seem to mold to her personality.
• Papyrus’ favorite type of joke is the “skeleton key” to humor, because it always opens a laugh.
• Sans and Papyrus went to the beach, and Sans built a sandcastle that was the bone-afide best on the shore.
• In the underground, the most popular type of car is the “determination driver,” because it’s always fueled by courage.
• Undyne’s fish friends are always having a fin-tastic time at her parties, and they’re the catch of the day.
• Mettaton’s diary is so full of himself that it’s become a real legend in its own mind.
• Alphys’ lab is a real madhouse, but at least her experiments are always electrifying.
• Papyrus tried to start a comedy club, but it was a grave mistake, because his jokes were always dying on stage.
• Sans’ favorite type of music is the “determination beat,” because it’s always pounding in his heart.
• The underground’s favorite type of food is “papyrus pizza,” because it’s always a real treat, and the crust is to die for.
• Undyne’s fish sticks have become so popular that she’s opened up her own food truck, and it’s the sole mobile eatery in the underground.
• Mettaton’s TV show has a new segment called “rating the stars,” and it’s a real challenge, but someone’s gotta do it.
• Alphys loves experimenting with new types of robots, but they always seem to short circuit her emotions.
• Papyrus’ favorite type of book is the “skeleton encyclopedia,” because it’s always full of bone-afide facts.
• Sans and Papyrus went to the museum, and Sans was fascinated by the ancient artifacts, which were a real grave discovery.
• In the underground, the most popular type of sport is “extreme knitting,” and Undyne is the undisputed champion because she’s always hooking the competition.
• Mettaton’s diary is so full of hot air that it’s become a real blowhard, but at least it’s entertaining.
• Alphys’ lab is a real maze, but at least her experiments are always a gas, and she’s always fueling the fun.
• Papyrus tried to start a garden, but it was a real mess, because everything he planted was dying to get out, and he was left feeling deflated.
• Sans’ favorite type of flower is the “determination bloom,” because it’s always flowering with courage.
• Undyne’s fish sticks have become so popular that she’s opened up her own cookbook, and it’s the sole guide to underground cuisine.
• Mettaton’s TV show has a new segment called “talking to the stars,” and it’s a real challenge, but someone’s gotta reach for the stars.

Also Read: Dumpling Puns & Jokes

Best Jokes & Puns for Instagram (2025)

Best Jokes & Puns for Instagram are a great way to make your followers laugh and increase engagement on your posts. Undertale funny comic puns can be used to create humorous content that resonates with fans of the game and newcomers alike, making for a highly entertaining experience.

• If you’re looking for a Undertale-themed Valentine’s Day post, you can say you’re “falling into the abyss” of love, just like Alphys fell for Undyne.
• Instagram’s “story” feature is perfect for sharing Undertale comic strips, because who needs a happy ending when you can have a “bad time” with Sans?
• Mettaton’s Instagram profile is all about being “starstruck” by his own talent, but let’s be real, he’s just a star-struck starfish in a humanoid robot suit.
• You can make a joke about the Underground being so dark, even the torches are depressed, which is why they’re always “burned out”.
• Posting an Undertale pun about the Annoying Dog being the real “paws-itive” villain of the game might just get you a thousand likes.
• The Undertale fandom on Instagram is so dedicated, they’d “fight” to the death to defend their favorite characters, but really they’re just “determined” to get more likes.
• A joke about Undyne’s cooking being so bad, it’ll “drown” your taste buds, might just make your followers “sea” the humor in Undertale puns.
• If you’re feeling “underground” and your Instagram posts aren’t getting enough attention, just remember that even Papyrus has more followers than you, and he’s a skeleton.
• You can post a picture of a Temmie and say it’s the “cat’s pajamas”, but really it’s just a cat-like monster in pajamas, which is just purr-fectly adorable.
• When sharing Undertale fan art on Instagram, you can joke that you’re ” rearranging” the characters to fit your shipping headcanons, which is just a nice way of saying you’re a “ship-wreck”.
• The Undertale game is so popular on Instagram, even the “neutral” route is trending, which just goes to show that you can’t stay “neutral” when it comes to adorable monsters.
• A funny post about the humans in Undertale being so “human” might just “fall” flat, but hey, at least you tried, right?
• The best part about posting Undertale jokes on Instagram is that you can always “reset” your posts and try again, just like how you can reset the game and try a different route.
• You can make a joke about the Ruins in Undertale being so “ruined” that even the rocks are depressed, which is why they’re always “rock-bottom”.
• Alphys’s love of anime is so strong, she’d “marry” an anime character if she could, but let’s be real, she’s already “married” to her work as the royal scientist.
• If you’re feeling down, just remember that even the Undertale characters have bad days, which is why they’re always “determinated” to have a better tomorrow.
• You can post a joke about the Core being the “heart” of the Underground, but really it’s just a bunch of “core” values that keep the monsters alive.
• Sharing a funny Undertale comic on Instagram might just “kill” your productivity, but hey, at least you’ll have a “bad time” while doing it.
• A post about Undyne’s love of fish being so strong, she’d “dive” into the ocean to catch one, might just “hook” your followers into liking your content.
• The Undertale fandom is so “determined” to make the game popular, they’d “fight” to the death to defend it, but really they’re just “starving” for attention.
• You can make a joke about the monsters in Undertale being so “monstrous” that they’ll “eat” you alive, but really they’re just “hungry” for love and acceptance.
• Posting a funny Undertale meme on Instagram might just “break” the internet, but hey, at least you’ll have a “bad time” while doing it.
• The best part about creating Undertale content for Instagram is that you can always “improve” your posts and try again, just like how you can improve your “determination” to beat the game.
• You can joke that the River Person is so “wise”, they’d “flow” with the wisdom of the ages, but really they’re just “drifting” through life like a river.
• If you’re feeling “under pressure” to create more Undertale content, just remember that even the characters have to deal with “pressure” from their own determinations.
• A funny post about the Trash Can being the ” receptacle” of all things useless might just “can” your chances of getting more likes, but hey, at least you tried.
• The Undertale game is so popular on Instagram, even the “genocide” route is trending, which just goes to show that you can’t stay “neutral” when it comes to adorable monsters.
• You can make a joke about the True Lab being so “true”, it’ll “lab”-or under the weight of its own secrets, but really it’s just a ” lab”-or of love for the monsters.
• Sharing a funny Undertale comic on Instagram might just “ascend” your followers to a higher level of humor, but hey, at least you’ll have a “bad time” while doing it.
• A post about Mettaton’s love of himself being so strong, he’d “marry” himself if he could, might just “reflect” the shallowness of his own ego.
• The Undertale fandom is so “determined” to make the game popular, they’d “reset” the game and try again if it means getting more followers, but really they’re just “starving” for attention.

Also Read: Chinese Food Puns & Jokes

Undertale Puns And Jokes One-Liners (2025)

Prepare yourself for a barrage of puns and wordplay inspired by the quirky world of Undertale. Get ready to laugh (or at least chuckle) at these short and sweet one-liners.

• Why did Sans stop playing the trombone? He had no backbone!
• What’s Undyne’s favorite condiment? Spear-mint!
• Why did Papyrus break up with his spaghetti? It was too saucy!
• What do you call a sad ghost? Boo-hoo!
• What’s Mettaton’s favorite type of music? Metal!
• Why did the human bring a ladder to the Underground? They wanted to get to the top of the ruins!
• What does Toriel like to read? Goat-ic novels!
• What’s Sans’ favorite kind of joke? Humorous.
• Why did Undyne cross the road? To get to the other trout!
• What do you call a lazy skeleton? Bone-idle!
• Why was Napstablook sad? He was feeling blue.
• What’s Mettaton’s favorite drink? Electricity!
• What did Sans say to the comedian? You’re humerus!
• What’s Undyne’s favorite game? Spear-it of the moment!
• What do you call a skeleton that won’t work? Lazy bones!
• Why did the human get a bad grade in history? They were stuck in the Undertale!
• What’s Toriel’s favorite subject to teach? Goat-metry!
• What does Sans put on his hot dogs? Ketchup, of corpse!
• What’s Undyne’s favorite kind of fish? A Starfish!
• Why did Papyrus start a band? For the nyeh-sic!
• What’s Napstablook’s favorite movie? The Sixth Sense!
• What’s Mettaton’s favorite day of the week? Sparkle-day!
• Why did Sans get kicked out of the library? He kept making skele-ton of noise!
• What kind of music does Undyne listen to? Anything with a good beat!
• Why did Papyrus become a chef? He wanted to be the pasta-bilities!
• What do you call a ghost that’s always complaining? A moaner!
• What did Mettaton say when he bumped into a wall? “Oh, darling, I’m shocked!”
• Why was Sans good at poker? He always had a full deck of humerus cards!
• What do you call Undyne in a suit? Fishy business!
• Why did Papyrus go to the beach? He wanted to bone-tan!
• What’s Napstablook’s favorite type of weather? Overcast.
• What’s Mettaton’s favorite TV show? Glamourdale!

Conclusion

You’ll die laughing at these Undertale puns, featuring Papyrus and Sans’ grave humor. With Undyne’s fishy jokes and Mettaton’s dramatic one-liners, you’ll be hooked. Share these witty puns on Instagram and showcase your determination to bring laughter to the community. They’re to die for, so go ahead and indulge in these 73 Undertale funny comic puns.