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Must Have Caffeine / Fan Works

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Biting the Sun

  • The massive, slowly progressing novel A Real Sky (formerly Look for the Sky), written by tori_siikanen (ceeainthereforthat), addresses several things that Tanith Lee left out of her original Four BEE novels. One is coffee, or "wine of Kaf". It comes with breakfast food, or mornings after drug/alcohol indulgence, so you know that's what it is.


  • In Project Tatterdemalion, a quirk of genetically engineered biology means that people with Psychic Powers- shinigami and Quincies- really do need caffeine as a basic nutrient, especially when they use their powers a lot. Shinigami in particular also like it because it makes their hearts beat faster- the process that makes them shinigami slows their heartbeats way down, and caffeine brings it back to normal.

Chip 'n Dale Rescue Rangers

  • CDRR fanfic authors generally love to give Gadget an addiction to caffeine which is not even hinted at in the show. Examples include John Nowak's stories.


  • In The Magic of Torchwood, Owen runs on coffee. He is annoyed when he is without it. He spreads this irritation around. It is generally considered best to give him coffee to avert this.
  • Child of the Storm has most of the Avengers fitting this trope, with one of Loki's more marketable skills being an excellent coffee maker - and Asgard gets so hooked to it that some characters joke that Nick Fury could get concessions from Asgard if he threatened to cut off all coffee trade. Another notable example is Carol, who is really Not a Morning Person, requires caffeine to function, and is prone to stealing any unattended coffee mug. She's also capable of downing a steaming hot mug of coffee in one.
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  • Part 2 of Turnabout Storm starts with Phoenix craving for coffee after an almost sleepless night, followed by Twilight telling him nopony has any.
  • Ferris: Bradford loves his coffee. It's later revealed he was in the Navy.
  • In the remake of Battle Fantasia Project, interfering with exports of Turk, Finnish and Italian coffee to Equestria is considered attempted murder of Twilight Sparkle, implying she is this. On the other hand, Pinkie Pie is banned from having any coffee whenever she visits Earth.
  • The Next Frontier: Bob Kerman gets through a quite staggering amount of "a liquid it is convenient to call coffee". No wonder he's so anxious all the time...
  • A Spark of Genius: Xander creates a Starbucks Expy in the Justice League Earth, using his Spark knowledge to make that coffee extra strong. The Flash gets hooked to an ultra-concentrated version of this, enough to make him even more hyperactive than in the series - and when Xander closes down the shops, Flash has to go cold-turkey while the entire world feels the hit (it is mentioned that Xander's company has rapidly become the mayor buyer of coffee beans and purveyor of coffee and coffee-derived products).
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  • A Spark of Ice and Fire: After Agatha discovers wakebean, she creates the Coffee Engine - which soon becomes a staple of any court meeting.
  • In Thieves Can Be Heroes!, Izuku has gotten into the habit of drinking black coffee every morning as part of the workout regimen he developed in hopes of becoming a hero. His guardian, Sojiro, is surprised by this and asks of Izuku was just trying to look tough.
  • Universe Falls: In "To Con a Clod", while trying to butter up Peridot Grunkle Stan lets her try some coffee. Peridot quickly becomes obsessed with the stuff, demanding five pots as payment for telling our heroes what she knows about the Cluster.
  • In Amazing Fantasy, Izuku ends up installing a coffee machine in his room while trying to cram college-level physics, chemistry, and engineering into his head in time to build his own web-shooters. It's still running by the time he's so tired that he falls asleep with his face in his textbook.

Death Note

Fairly Oddparents

  • In Origin Of The Pixies, Fergus is very dependent upon his morning coffee and struggles with withdrawal when he goes to long without it.

Harry Potter

  • In 3 Slytherin Marauders Harry gave Snape a joke T-shirt one Christmas that sported a caricature drawn by Nymphadora Tonks and the caption "World's Best Father - After Three Cups of Coffee."

The Legend of Korra

Marvel Cinematic Universe

Mass Effect

My Little Pony: Friendship Is Magic

  • A cultural trait of the reindeer in Under The Northern Lights. It is also Klatchian Coffee, at least according to Spike. This is of course because their real life counterparts, the Scandinavians, are heavy coffee drinkers.
  • There's also a fic called "Pinkie Pie Discovers Coffee". It does nothing to Pinkie, but Hilarity Ensues when Twilight drinks a mocha and ends up just as hyper as her friend.
  • Sunset's Little Twilight: The human Pinkie Pie just can't get going in the morning without that first cup of coffee. Ironically, it makes her pony counterpart lethargic, so she drinks decaf instead.
  • The Pieces Lie Where They Fell: The human Pinkie is essentially a zombie before that first cup. Yes, it's a Shout-Out to Sunset's Little Twilight.
  • Escape From the Moon: In the sequel The Mare From the Moon, Spliced is this in the morning, since she doesn't get a lot of sleep due to her nightmares.
  • In Estee's Triptych Continuum, coffee is occasionally drank, but most ponies go with a similar beverage simply called 'wake-up juice'. Its effects, and those of deprivation therefrom, are quite akin to coffee's. (In A Total Eclipse of the Fun, the Brinner Brigade use it to excess.)
  • RainbowDoubleDash's Lunaverse: Due to Princess Luna being nocturnal, the Night Court has to be as well, as does the small army of public servants and assorted castle staff who work under them. Since most ponies are not nocturnal, this means Canterlot as a whole requires vast amounts of caffeine just to keep running.


  • In the cracky fanfic Reload, a "Groundhog Day" Loop type fic that long ago reached the lets-goof-off stage, we have Sasuke (who is currently female, long story) get up and reach for the nearest cup of coffee. Naruto comments that it was boiling moments ago.


  • In the Sword and Shield Verse, a crime-based Pokémon fanfic, we have Brenda Johnson, our main OC character who's partnered with Mewtwo aka Vahan Smith. Just Brenda, who prefers her coffee "liquid, preferably alive". On the other hand, Mewtwo has stoutly refused to resort to coffee. Brenda considers that a sign of insanity.

Ranma ½


  • This trait is why Jaune's cafe in Service with a Smile is under the protection of Junior, Roman Torchwick, and Cinder Fall, with Junior and his men ordering fifty coffees twice a day. His is the only coffeehouse in the city that isn't a mediocre franchise and his stock has enough quality and variety to make even coffee hater Ruby visit several times a week for a cup. Understandably, the need for caffeine shows through the most when Team RWBY has to wake up at 3am to help Jaune run his shop for a day.
    Weiss: Coffee.
    Jaune: What kind?
    Weiss: Coffee!

Sailor Moon

Star Trek: Voyager

  • Harry Kim and the Goblet of Coffee, shows that Janeway really did beat the Borg with coffee!
  • The Killer Dame is a parody of the episode "The Killing Game", in which Voyager's crew was brainwashed by the Hirogen into thinking they're characters in a World War II holodeck program. Reality Ensues when Captain Janeway finds to her horror that the only coffee available to civilians in German-occupied France is ersatz coffee made of crushed acorns! When American troops arrive, she's willing to violate her Celibate Hero status to get her hands on some real beans (fortunately the Doctor deactivates the brainwashing at that point).
  • And here's some more stories about the coffee-powered Captain.

Star Trek: Enterprise

  • Coffee is about Hoshi musing on the joys of coffee.

The Umbrella Academy

  • In Mended, Vanya makes a cup of coffee before sitting down with her ex-boyfriend, and then another one when she hears the apocalypse is hitting in five days.


  • Toy Hammer: Commissar Tomas Sturm takes a liking to Terran "recaff" (a.k.a. coffee).
  • Commissar Steve's entire motivation in A Day in the Life of a Commissar is getting a cup of coffee. Justified, since his room-mate has night terrors and the beds are uncomfortable, so he barely gets any sleep. He goes completely berserk when he finds out Nathan Johnson, the Force Commander of the local chapter of the Blood Ravens, bought all the coffee on the planet. This escalates from teaming up with his Sitcom Arch-Nemesis, to challenging Johnson and his two friends ( The Librarian and Chaplain) to a cage match, to demanding the use of a Baneblade Super-Heavy Tank.


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