1 - 20 of 94 Works in Mandy (It's Always Sunny in Philadelphia)
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He Was Perfect, She Was Not; The Reynolds Twins - A Character Study by anoreynolds
Fandoms: It's Always Sunny in Philadelphia
10 Jul 2025
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Summary
A look at the lives of Dee and Dennis Reynolds year by year, spanning from 1980 at 4 years old and finishing in 2024 at 48.
I wrote it based on what age they'd be each year having been born in 1976 while also keeping with events that happen in the show, so it may read as if various events happened earlier/later than they do on screen. It's mostly to help the reader visualise but I'll put a guide in the notes!
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may the bridges i burned light my way back home by shinyfaerielights
Fandoms: It's Always Sunny in Philadelphia
09 Jul 2025
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Summary
Dennis comes home from North Dakota.
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Dennis waking up on his first day in North Dakota. There isn’t much of it yet and will probably be used later but I’m uploading it so I keep at it.
Season 12
- Language:
- English
- Words:
- 1,349
- Chapters:
- 1/1
- Hits:
- 24
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Summary
A constantly overworked, inexperienced, narcissistic detective, her brother, a punk ass bitch who thinks she’s tough and her weirdo freind, a string of murders and badly injured people, and a killer on the loose. What could go wrong with that?
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Diana is (originally) an infidelity detective, until a case of murders happen and she’s assigned to the case, to which, she obviously isn't doing anything right due to her inexperience.
- Language:
- English
- Words:
- 1,419
- Chapters:
- 1/10
- Collections:
- 1
- Hits:
- 13
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Summary
Prompt - visiting Brian Jr with transfem Dennis. I have no idea if you’re still looking for prompts but your visiting teen Brian fic was amazing and made me think of it. But Brian at any age for the prompt.
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hitching, hooking, and hoping for better highs by donthuffglue
Fandoms: It's Always Sunny in Philadelphia
21 Feb 2025
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Summary
Facing his fears the hard way probably isn't the best way to go about learning to be a decent human being, but Charlie's always been the kind of guy who has to have the sense beat into him before he can make any real growth. Why go to rehab when he can just quit cold turkey and save himself the money?
Well, rehab has better company, for starters.
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I have a system, a foolproof system, for getting any chick's undying love and devotion, for life ... and, I could absolutely get that girl back any time I want.
Or, Mac gets DENNIS'd. Repeatedly.
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Dennis wants to say No, Mac, I’m serious. He wants to grab him by the shoulders and shake him and say there’s something important out there and I need you to see it. He doesn’t, though.
or, mac finds out more about what happened in north dakota
Series
- Part 2 of i should live in salt
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Summary
Dennis isn’t going very far, but he’s going. It’s more than he’s been able to do lately. He opens the map on his phone and punches in the name of some park — it’s just out of the city, and Mandy said she used to go there when she was a kid. His phone says the trip will take fifteen minutes, but from the driveway, it feels like a million miles away.
read aloud by the author ;)
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Summary
Dennis isn’t going very far, but he’s going. It’s more than he’s been able to do lately. He opens the map on his phone and punches in the name of some park — it’s just out of the city, and Mandy said she used to go there when she was a kid. His phone says the trip will take fifteen minutes, but from the driveway, it feels like a million miles away.
Series
- Part 1 of i should live in salt
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“2006 doesn’t even feel that long ago, yet here Dennis is, ten years later, curled up on the couch and waiting for Mac to bring him soup. Why? Because Dennis needs him to soothe the debilitating withdrawals from his repeat crack addiction.”
Series
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“Twenty-one beers deep, Dennis just finished banging some gross, North Dakota trash down in the cargo hold. The gang is currently on a cross country flight to Los Angeles, hoping to beat Wade Boggs’ questionable record of seventy beers.”
Series
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God in the shape of Paddy’s, and a halo where the big, big eye should be by BleedingAlive
Fandoms: It's Always Sunny in Philadelphia
14 Jul 2024
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Summary
A human, a god, an animal, an angel. A creature no one’s ever seen before, and won’t again.
(or, paddy’s pub, as seen from the Outside In)
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Dennis and Mac Have a Secret by ThatGreyJedi for It’s Always Sunny fans who are rooting for canon Macdennis before the series ends
Fandoms: It's Always Sunny in Philadelphia
15 Jun 2024
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Summary
When Mac and Dennis run into some financial issues, they learn of one way to solve all of their troubles: getting married. However, fate had other intentions for the pair. From solving financial problems to dealing with internalized feelings, this story follows this grand scheme.
Or…
A comedic tale of a marriage for benefits turning out right after a series of events.
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Summary
“I think he’s trying to say something,” Mac says, and his eyes shine with wonder.
Dennis pinches the bridge of his nose. “He’s fifteen months old. He’s not trying to say shit. He doesn’t have rational thoughts.”
Brian Jr. waves his tiny fist vaguely near Mac, who literally gasps out loud - “oh! He knows his papa!” - and something twists loose in Dennis’s chest when he realizes Mac wasn’t referring to him.
Canon-divergent from 12x10 (Dennis’s Double Life): Mandy decides to move herself and Brian Jr. to Philadelphia. To be raised by his one mom and two dads, apparently, because fuck Dennis Reynolds’ life.
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running home, running home, running home by maisiec33
Fandoms: It's Always Sunny in Philadelphia
03 Mar 2024
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Summary
Post S12. Dennis comes back from North Dakota perfectly fine.
Title from For Emma by Bon Iver
BTHB Prompt: Eating Disorder
Series
- Part 8 of Bad Things Happen Bingo
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Stuck in the middle with you by PansyOfTheSouth
Fandoms: It's Always Sunny in Philadelphia
11 Feb 2024
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Summary
Mandy has been living in Philadelphia for about half a year and now she has to leave for a few weeks, with no one else to turn to, she tells Dennis to look after seven year old Brian Jr.
Dennis has to decide to either take care of him or go to jail.
So, the gang jumps the shark and gets a kid in the mix.
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Dennis had been a rockstar once, devouring praises from the crowd and falling in love with a man at a bar he frequented. Mac had stolen a cab from his friend Dee once and made starry eyes at the driver. The scenarios tended to repeat: they would meet, they would fall in love, they would live their lives as seemed fit. Sometimes they both remembered- sometimes only one remembered- and other times neither of them remembered, plagued by feelings of deja vú.
But the feelings always stayed the same. They would love each other as fiercely as possible in each life time until the next.
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mac kills the cat (dennis left it in the box) by smittonkittens
Fandoms: It's Always Sunny in Philadelphia
11 Jul 2023
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Summary
The Mac-in-his-head won’t stop talking and there's a cat that might be dead but could be alive in a box between the syllables in Dennis's name.
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Dennis comes home for just long enough to jerk off on the couch and contemplate killing himself in the kitchen.
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Summary
The lock clicks with finality and Mac turns to the doll, to Dennis. It’s— he’s still in the giant crate, sitting up and staring towards the kitchen.
Mac’s not going to have sex with it.
He’s not.
He just needed something, something here to keep him company. That’s all.
OR: Mac tries to make love to the Dennis doll, heartbreakingly.