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Askbox Fic Collection: Perryshmirtz Adventures by KissingLizard
Fandoms: Phineas and Ferb
07 May 2026
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Summary
Collection of short-fics and Drabbles. I am taking suggestions and requests on my tumblr, these are them.
Chapter 1: Rockabye Perry
Chapter 2: Maybe we should kiss to break the tension? (Established Relationship)
Chapter 3: Well someone's cranky today (OWCA files au)
Chapter 4: Kiss in secrecy
Chapter 5: Enemies make the best lovers you know.
Chapter 6: An introduction to Space-Adventure! (Established Relationship)
Chapter 7: What a stud, right?
Chapter 8: You are under arrest
Chapter 9: Kick the shit out of Mother Doofenshmirtz (Established Relationship)
Chapter 10: Matchy-Matchy (season 5, episode 6A)
Chapter 11: Shnuki
Chapter 12: Grass Stained Knees
Chapter 13: Uncle Perry goes through Airport Security
Chapter 14: Should've put a ring on it (content warning)
Chapter 15: Second dimension Perry
Chapter 16: Linda buys Perry a new shirt
Chapter 17: The not-a-chance-inator -
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To save Perry, the Fireside girls decide they have to kill Doofenshmirtz
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Collection of drabbles and short fics that are not appropriate for roblox
Chapter 1. Breakfast Coffee
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Due to circumstances, Doofenshmirtz recognizes Perry without his hat in public. This is an issue.
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The Beast of Gimmelstump Forrest by KissingLizard for Chioxinu
Fandoms: Phineas and Ferb
06 Oct 2025
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For years, the people of Gimmelstump feared the Forrest and the beasts within. For 9-year-old Heinz Doofenshmirtz, it was the safest place to be.
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Doofenshmirtz didn't expect his life as a teacher to be interesting, but when he starts dating Perry, things just start happening around them. Together, they try to make a good first impression on the Flynn-Fletchers, Move in together, expose a cheating neighbor, move out together and try to navigate life as a couple.
Heinz experiences a loving family for the first time, and honestly, it's overwhelming.
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OWCA is trying to force Perry to retire from fieldwork after his next completed mission, but Perry has a plan: If he doesn’t arrest or kill his next enemy, then the mission technically isn't completed.
His next nemesis is a man called Dr Heinz Doofenshmirtz, and Perry can't stand him.
Obviously, he falls in love. -
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Friday evening, the trainees beg Perry and Doof to visit a bar with them to unwind, to have some fun, but most importantly to defeat Monogram at darts. Both Perry and Heinz drink a few beers and get really, really competitive. (OWCA files au)
Chapter 1 Stand alone fic of OWCA shenanigans at a bar.
Chapter 2 😏 SmutSeries
- Part 2 of OWCA Files AU
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OWCA FILES AU
Doofenshmirtz and Perry are on a mission to save the world but get trapped. Before they can escape, Perry gets injected with truth serum. It's a good thing his hands are tied, because Perry suddenly has a very strong urge to make some confessions.
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- Part 1 of OWCA Files AU
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It's Christmas Eve and Phineas and Ferb are staying awake to meet Santa
But, whilst waiting for him, one of Doofenshmirtz's self-destruct buttons explodes when Santa lands.
Now who is going to deliver all the presents?(Pnf Secret Santa gift fic for El_Erizo_Que_Escribe!)
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- Part 2 of Mistletoe Season
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On the night of a summer storm, Agent Perry the Platypus is summoned to the Danville Manor.
The entire Doofenshmirtz family has come together for a heirloom ceremony, but the heirloom has been stolen.
Heinz is being accused of the theft, but did he do it?
Join Perry as he goes undercover to recover the heirloom. Figure out who stole it, and why.
Can he figure out who did it before the night ends? -
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A positive pregnancy test accidentally ends up on the Flynn-Fletcher dining table
Perry thinks Linda is pregnant
EVERYBODY else thinks that Perry is pregnantSomehow this is all Doofenshmirtz's fault
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Based on artwork by @alex-travaganza on Tumblr
Major Monogram orders Perry to propose to Doofenshmirtz. When he does, things don't go exactly as planned.
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Christmas fic, Human(?) AU
It's Christmas and in a fit of rage, Doofenshmirtz builds himself an inator to teleport him to where he wants to be most.
Phineas and Ferb help Santa build toys to catch up to demand.
And Perry Travels International to take down a child-smuggling ring. Now he'll have to spend Christmas all alone.
Or does he?
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- Part 1 of Mistletoe Season
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(Takes place around Santa Clause 2)
Charlie Calvin tried to be good in school, but as Christmas approached and not a single decoration could be found, he decided to hatch a plan to add some cheer to his boring old school building.
Luckily he can count on Santa Claus and a very special Elf to assist him.
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Agent P accidentally gets strangled by Doofenshmirtz during a mission. When Candace sees the bruises she incorrectly assumes her uncle is suicidal, she then somehow manages to convince the rest of the family.
Hilarity ensues. -
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An aspiring evil inventor attempts to kidnap the best inventors in the tri-state-area. So he kidnaps Doofenshmirtz, then he makes a mistake and also accidentally kidnaps Perry.
They will have to work together to escape and find their way back home, but a lot can happen on the long drive back to Danville. -
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(Human Perry AU)
It's been months since Heinz gave up Evil to become a teacher.On one of Perry's rare visits, he spots an old damaged painting. Luckily for Heinz, Perry knows a little antique store that could help him fix that.
Now all Agent P needs to do is stay alive till Heinz takes him up on the offer.Easy. Right?
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Perry grabbed Doofenshmirtz, put a finger to his lips to shush him, and quickly added in ASL. "O.W.C.A. doesn't know yet."
Heinz's eyebrows rose comically as the man realized what his nemesis was telling him. "O.W.C.A. doesn't need to know."
Perry nodded in agreement. "I'm going to sneak you out."
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A mistake made by Phineas and Ferb results in Doofenshmirtz ending up at The Flynn-Fletcher residence. All Perry has to do is keep Heinz hidden from his family and O.W.C.A. till he can sneak him back home. How hard could it be?
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On a hot day during the summer vacation uncle Perry (human) takes his cousins and their friends to the local swimming pool. To his surprise, Doofenshmirtz is also there with Vanessa.
Now Perry has to babysit 7 kids, whilst also making sure he doesn't blow his cover.Also includes: Candace busting her brothers, Heinz bringing an inator to the pool, an animatronic shark, and Vanessa trying to set her dad up with Perry.