Tetrahedron_Ass
Fandoms
Recent works
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Alastor's Electrifying Experiment with Baxter and Niffty by Tetrahedron_Ass
Fandoms: Hazbin Hotel (Cartoon)
04 Oct 2025
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Summary
After Baxter fails a redemption skit that Pentious passed with flying colors, Alastor convinces Charlie to allow him to design a redemption exercise that will be more engaging for the intellectually advanced sinner. The activity he has in mind is to help him out with an electrical experiment that he's testing out on Niffty that involves zapping her with increasing voltages to aid learning and behavioral modification. Is Baxter a bad enough boy to follow through with it all? Alastor has a huge twist in mind; will Baxter see it coming?
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When Charlie holds a meeting to brainstorm ideas for redemption exercises, Alastor proposes that everybody take care of one of his Baby Furby collection like in one of those sitcom episodes where the characters learn to care for a baby. However there's a dark twist - each Furby is programmed to have been damaged by the sins of its caretaker!
My first story for this fandom and the winner of my poll from Twitter/X on what to write or my first fic. -
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Rosie makes Alastor go to the dentist against his will, in his weakened post-battle state, promising cannibal treats and a fancy night out at the opera if he complies. The Vees find out and Vox, eager to see Alastor in pain, decides to spend the rest of the day spying on Alastor's appointment, getting a little too perversely excited to see the unruly patient bound and gagged with a dental dam getting various humiliating if not torturous procedures...
NOW WITH ILLUSTRATIONS IN SOME CHAPTERS! All illustrations are either original art done by me, self-modified edits to canon artwork, or photographis of content that I made/own.
Recent bookmarks
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These Books Hold My Memories But These Letters Are My Heart by Kookyfan
Fandoms: Hazbin Hotel (Cartoon)
20 Sep 2025
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Summary
Nothing is more important to Alastor than keeping his maman's memory and bookstore, the Hazbin Books and Cafe, alive and well within their community. It's all smooth sailing until the megastore, Morningstar and Family Booksellers, starts building one of their stores a couple of blocks down from them.
Now everything that Alastor has been fighting to protect is at risk, but at least he has his online penpal to talk to and rely on.
- Language:
- English
- Words:
- 4,360
- Chapters:
- 1/?
- Collections:
- 1
- Comments:
- 15
- Kudos:
- 76
- Bookmarks:
- 20
- Hits:
- 1,090
Bookmarked by Tetrahedron_Ass
21 Sep 2025
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“Smiles! You need to see this!”
The distorted video was reduced to show the presenters, whose names Alastor had never bothered to learn, but they didn't remove it, reproducing the video in the corner of the screen, over and over again, in a loop. The text announcing what it was—what they thought it was, since obviously, from the way it was written, it wasn't what had happened—remained in large letters, shouting to the world that they had caught Lucifer and Alastor... kissing passionately at the doors of the Hazbin Hotel.
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Oh, the consequences of an impulsive act. I think it works on its own without reading the rest of the series. The relevant part is explained here, although I imagine it's more entertaining if you know the other parts <3Series
- Part 6 of unlikely does not mean impossible
Bookmarked by Tetrahedron_Ass
01 Sep 2025
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Charlie Morningstar, ever the ray of sunshine, asks Alastor to find out what's going on with Lucifer.
Alastor takes to the task with gusto.
Lucifer hates every second of it.
- Language:
- English
- Words:
- 393,387
- Chapters:
- 70/?
- Comments:
- 12,009
- Kudos:
- 13,767
- Bookmarks:
- 1,566
- Hits:
- 438,951
Bookmarked by Tetrahedron_Ass
10 Apr 2025
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Alastor and Moxxie by Fantasyandromancelover
Fandoms: Hazbin Hotel (Cartoon), Helluva Boss (Web Series)
13 Oct 2025
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Alastor, an overconfident inventor, and his timid nephew Moxxie serve as animal control agents in Crescent City. When the city grapples with an animal overpopulation crisis, they are enlisted by the compassionate philanthropist Charlie Morningstar, who is dedicated to protecting animals. As they navigate obsessive rivals, mutated creatures, and rampaging robots, Alastor and Moxxie dive into the challenge. However, Moxxie soon discovers an interesting twist involving one of their targets. With the help of his loyal girlfriend Millie, he must find a way to save his uncle and the city.
Bookmarked by Tetrahedron_Ass
30 Mar 2025
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Summary
Alastor, the Radio Demon, thrives on control. Every aspect of his life, his impeccable appearance, his interactions with the hotel residents, and even the chaotic morning routines, is carefully orchestrated to ensure his dominance. After all, he is always in control.
But perhaps a certain someone is about to shatter everything he thought he knew.
Oh, my deer, this is not going to be fun.
Bookmarked by Tetrahedron_Ass
26 Mar 2025