MistakeUponMistake
Fandoms
Recent works
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Nobody Gets Left Behind (Especially Not Dad) by MistakeUponMistake
Fandoms: Batman - All Media Types
12 Feb 2026
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Summary
Bruce watches worlds burn and wakes up years in the past with the knowledge his house should be full of children he does not yet have.
He wants nothing more than to collect his children again, but won't if he can instead give them normal, safe lives.
His kids have something to say about that.
Series
- Part 1 of The Batkids Collect Bruce
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Compassion Is The Natural Response To Suffering by MistakeUponMistake
Fandoms: Batman - All Media Types
08 Jan 2026
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Summary
In which Damian Wayne has no intention of staying an only child.
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The youngest Bat falls and starts at the beginning determined to bring all of his family back together. Kicking and screaming as needed. But first he must get his father up to his exacting standards. His (now younger and missing) siblings will not be brought into an unstable household.
The first part of Reverse Robin! Dimension Travel! Damian and Bruce the New Dad.
Series
- Part 1 of Big Brother Damian AU
Recent series
Recent bookmarks
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your noble son is mad (we much longed to see you) by Mercury_n_Jem
Fandoms: Batman - All Media Types, Batman (Comics), Batman: Under the Red Hood (2010), DCU (Comics)
18 Feb 2026
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Summary
Jason shoved his jacket and helmet into his backpack with a sigh. He hadn't come up with a single way to properly reveal himself—for the second time. The first time, he'd been focused on making something poetic, dramatic, satisfying of it all. But with just a few words, it'd all been meaningless.
World's Greatest Detective, my ass.
OR
Due to a series of mishaps, Bruce doesn't know that Jason is Red Hood, and subsequently, neither does anybody else in Gotham.
Bookmarked by MistakeUponMistake
18 Feb 2026
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operations continued in rescue mode by notquiteaghost
Fandoms: DCU, Batman - All Media Types
06 Apr 2025
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Summary
When he’s thirteen, and there’s other kid heroes popping up, and the Justice League is starting to reckon with whether they’re okay with any kid being a hero at all, Clark talks to him. That’s how Dick realises.
They go to a diner. They always go to a diner, when Clark wants to talk. Clark feels safe being emotionally vulnerable in diners for reasons Dick can’t piece together yet.
"It was your idea," Clark asks, once the waitress has brought their food, enough other people already eating to create a comfortable background hum of noise, "Wasn’t it? Being Robin?"
The Wilful Child Endangerment Is A Load-Bearing Batman Story Element: A Defence Of Robin, By Dick Grayson
Bookmarked by MistakeUponMistake
18 Feb 2026
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Summary
Dick Grayson has many secrets. He's a vigilante, he's a Bat, secrets are just a part of his life. There's one secret though that he has had since before his parents died. A secret that he has never told anyone, not his friends, not his siblings, and not Bruce.
Or, Dick's world has fallen apart again the weight of his secret growing with the years, the only question that remains is will it crush him or will it help him come home?
(I really have no clue how to write a summary for this without giving everything away, so here we are :)
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Summary
Tim wakes up inexplicably in his two-year-old body. Which: odd. But just think, how many people would kill to have an opportunity to redo their life! And Tim has so much he wants to change, so much he wants. He wants to feel important to Bruce. He wants to be Dick's favorite. He wants Jason (his childhood hero) to think he's cool. He wants Damian to need him. And really, is it manipulation if his family benefits from it?
Or: He was halfway through the second trash can, when a startled “Good lord” caught him off guard. Tim glanced up, the rhythmic sucking of his pacifier coming to a still at the sight of a black Rolls Royce idling at the side road that lead to Wayne Manor. Alfred was staring at him from the over the car top, aghast. “Master Bruce, it’s not a raccoon.”
From the back seat, Bruce Wayne stared at him. Tim stared back.
Or: Tim is side tracked by his actual childish needs and wants, gets a whole bunch of his nannies fired, terrorizes his parents with a series of petty revenges, is an honest employer of one (1) newly minted murderer for hire, endears himself to – and thoroughly weirds out – the Waynes, and is generally just a petty, manipulative, vindictive, smol boy.
- Language:
- English
- Words:
- 130,089
- Chapters:
- 14/?
- Comments:
- 4,309
- Kudos:
- 17,801
- Bookmarks:
- 6,550
- Hits:
- 366,688
Bookmarked by MistakeUponMistake
16 Feb 2026
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How To Accidentally Acquire a Brother by 172
Fandoms: Batman - All Media Types, Batman (Comics), Red Robin (Comics), Under the Red Hood
08 Aug 2022
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Summary
Jason's been stuck on this drug case for a whole month and he's got nothing. That is, until his tiny, anxious ex-neighbor shows up at his safehouse with a backpack full of evidence saying that the entire drug operation is being run by his parents.
Tim figured out that his parents were big-time drug traffickers at age nine, but when people start dying and Batman won't listen to him, the only available option is the Red Hood, who's just as likely to shoot him as he is to help him. That's why it's such a surprise when Tim shows up at his safehouse and Gotham's most undead and dangerous vigilante invites him in for spaghetti dinner.