lightyearpig
Fandoms
- Steven Universe (Cartoon) (13)
- Gravity Falls (5)
- The Owl House (Cartoon) (5)
- FLCL (5)
- Hazbin Hotel (Cartoon) (4)
Recent works
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Shelluva Boss by lightyearpig
Fandoms: Teenage Mutant Ninja Turtles (TV 2003), Helluva Boss (Web Series), Hazbin Hotel (Web Series), Teenage Mutant Ninja Turtles - All Media Types
10 Nov 2025
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Summary
When I.M.P is hired to kill the Teenage Mutant Ninja Turtles, things sure do happen! Namely, their client happens to be the Shredder, who steals Stolas's grimoire to conquer both Hell and Earth, forcing the Immediate Murder Professionals to form an uneasy alliance with the Heroes in a Half Shell to stop Ch'rell, Oroku Saki and Kavaxas from enslaving the living and the dead.
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A Hellhound And A Fallen Angel Walk Into A Bar by lightyearpig
Fandoms: Hazbin Hotel (Cartoon), Helluva Boss (Web Series)
31 Oct 2025
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Summary
Vaggie wants some time away from the Hotel for a bit. Loona had a stressful day at work. When these two grouchy girls cross paths at a shady bar, they get off on the wrong foot and sparks start to fly. But what if they were more alike than either of them realized?
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Rick and Haruko by lightyearpig
Fandoms: Rick and Morty, FLCL, ReBoot (Cartoon 1994), The Owl House (Cartoon), Avatar: The Last Airbender (Cartoon 2005), Steven Universe (Cartoon), Super Robot Monkey Team Hyperforce Go!, One Piece (Anime & Manga), DuckTales (Cartoon 2017), Star Wars - All Media Types, Gargoyles (Cartoon), Hazbin Hotel (Cartoon), Helluva Boss (Web Series), Gravity Falls
20 Oct 2025
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Summary
Many years before Haruko Haruhara discovered Gravity Falls, Haruha Raharu's home planet was on the verge of destruction before she was saved by Rick Sanchez. Now she embarks on many wild adventures with his band, the Flesh Curtains, but it's only a matter of time before everything goes wrong.
Series
- Part 4 of Fooly Falls
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Sly Cooper: Boiling Blood by lightyearpig
Fandoms: Sly Cooper (Video Games), The Owl House (Cartoon)
27 Sep 2025
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Summary
In an alternate take on the ending of Sly Cooper: Thieves in Time, Sly isn’t transported to ancient Egypt by Le Paradox’s time machine. Instead, a wormhole takes him to a whole other universe, plopping him in the Boiling Isles. After a run-in with Luz Noceda and Eda the Owl Lady, Sly is able to reunite with the Cooper Gang before thieves & witches join forces to stop Emperor Belos and his army of wild witches from a new evil plot that could spell trouble for both worlds.
(originally started on FanFiction.net in 2022, reposted here because I'm slowly regaining interest in writing it again)
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Infinity Crisis: Lightyears Ahead by lightyearpig
Fandoms: Dragon Ball, Wander Over Yonder (Cartoon), Doctor Who (2005), Invincible (Image Comics), Metroid Series, Batman Beyond, The Owl House (Cartoon), FLCL, X-Men Evolution (Cartoon), Power Rangers R.P.M., Ninja Turtles: The Next Mutation, Cowboy Bebop (Live Action TV), Soul Eater (Anime & Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), SPY x FAMILY (Manga), Loonatics Unleashed, Dangan Ronpa Series, Inside Job (Cartoon 2021), Star vs. the Forces of Evil, Spider-Man - All Media Types
27 Feb 2025
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Summary
As the multiverse of Infinity Crisis continues to expand, many new heroes and villains rise up to throw their hat into the ring as the Crisis on Infinite Earths draws ever closer.
Recent series
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Fooly Falls by lightyearpig
Fandom: Avatar: The Last Airbender (Cartoon 2005), Christmas Tales & Traditions, DuckTales (Cartoon 2017), FLCL, Gargoyles (Cartoon), Gravity Falls, Hazbin Hotel (Cartoon), Helluva Boss (Web Series), One Piece (Anime & Manga), ReBoot (Cartoon 1994), Rick and Morty, Star Wars - All Media Types, Steven Universe (Cartoon), Super Robot Monkey Team Hyperforce Go!, The Owl House (Cartoon)
20 Oct 2025
- Words:
- 169,691
- Works:
- 4
- Bookmarks:
- 3
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Steven Universe Alternate Future-verse by lightyearpig
Fandom: Steven Universe (Cartoon)
13 Nov 2023
- Words:
- 497,030
- Works:
- 6
- Bookmarks:
- 18
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Marvel Gems Universe by lightyearpig
Fandom: Fantastic Four, Guardians of the Galaxy (Comics), Marvel, Steven Universe (Cartoon), The Avengers (Marvel) - All Media Types, X-Men - All Media Types
07 Apr 2021
Summary
The Crystal Gems team up with Marvel's mightiest heroes to face some of their most vile villains. Set in Earth-2013.
- Words:
- 129,907
- Works:
- 6
- Bookmarks:
- 7
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Tales of Earth-2013 by lightyearpig
Fandom: Guardians of the Galaxy (Comics), Marvel, Steven Universe (Cartoon)
01 Dec 2019
Summary
Various short stories set within the world of Earth-2013, ranging from prequels to mini-sequels and spin-offs.
- Words:
- 9,614
- Works:
- 2
Recent bookmarks
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Summary
Sometimes everything we want just has to evolve naturally and sometimes it just takes a fan with a propensity for writing smut. (Timeline: Post “Fake Karakura Town arc” Pre “The Lost Substitute Shinigami arc”)
Bookmarked by lightyearpig
16 Dec 2025
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Summary
Kisuke finally wakes up after the fight with Askin.
Bookmarked by lightyearpig
16 Dec 2025
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Unnatural Scents by Mr_Gama
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), Bleach (Anime & Manga)
14 Mar 2025
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Summary
The first thing Tanjiro Kamado sensed as he entered the small shop—Urahara Shōten, the surprising, not faded sign on its door said—was the smell, the owner's odor, to be specific. The man scented like a human, yet there was something distinctly strange, something not right, something artificial, even.
Bookmarked by lightyearpig
15 Dec 2025
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New World Nudism by Ricadams
Fandoms: Final Fantasy XIII Series (Video Games), Original Work, Naruto (Anime & Manga), Fire Emblem: Rekka no Ken | Fire Emblem: Blazing Sword
15 Dec 2025
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Summary
Fang and Vanille visit a hidden city to try out something they wanted to do for a long time.
This is the first crossover/fanfic I've written. The Original Work tag refers to the setting more than anything.
Semi-Canon to the Final Fantasy XIII trilogy, with a few divergences. Other fandoms are included as well.
Bookmarked by lightyearpig
15 Dec 2025
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Summary
Clef tries to motivate Beat after a heckling audience gets to her, resulting in an accidental confession.
Bookmarked by lightyearpig
14 Dec 2025