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Cartoons • 361 stories • Updated 6 Dec

Is slaying in two dimensions easier or harder than in three? Do Acme make stakes? And how do you kill characters that can withstand dismemberment, frying pans to the face, being flattened by steam rollers and blown up by fizzing sticks of dynamite on a regular basis? These are just some of the questions you probably won't find answers to in the Twisting the Hellmouth collection of cartoon crossover fanfics.

We've classic Disney and Looney Tunes, as well as more modern fare such as Gargoyles and of course no cartoons section would be complete without The Simpsons.

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David Xanatos is a collector. In just a few short years, he's acquired Castle Wyvern, the Grimorum Arcanorum, the Eye of Odin, and the Coyote Diamond. Now he wants to add the the Key of Glory to his private collection.

Can be an AU, a fusion, or your regular crossover hijinks.

I would like to see Xanatos winning Dawn over in some lasting fashion once he finds out the Key isn't something he can slip on a key ring. He's slick, smart, cool, and he knows how to manipulate people into giving him their loyalty.

Must Haves:
Dawn's Keyness being relevant to some s...
Cartoons > Gargoyles • (Current Donor)jellyfists • Responses [0] • Date Added [16 Dec 14]
simply put the challenge is that Xander is a fan of the Ben 10 cartoon and decides to dress as one of Ben 10's alien forms for the fateful Halloween. But he can't find a something to make the the omnitrix symbol, so when the spell takes Ben 10 is trapped as that alien for the night.
And you guessed it when the spell ends Xander doesn't turn back into a human.
The Rules.
1:Here is a short list of aliens that Xander cant dress up as.
-Way Big
2:No bashing of any character.
3:Keep to canon sexualities.
Cartoons > Ben 10 • cursebreaker • Responses [0] • Date Added [14 Nov 14]
Crossed with the movie "The Book of Life" released in October 2014.

Xibalba is many things. Ruler of the Land of the Forgotten (sub-region of the Land of the Dead), loving husband to La Muerte (ruler of the Land of the Remembered), and a cheat when it comes to gambling. But, he is also an artificer of some skill, as shown by his Medal of Everlasting Life.

While experimenting with a more subtle enchanted artifact, Xibalba gets trapped on the Hellmouth, and…

This is where you take over. Is Xibalba reincarnated as Xander? Is he simply a passenger to his life? what i...
Cartoons • ovid • Responses [0] • Date Added [22 Oct 14]
The Scoobies bite off more then they can chew with an unidentified demon that ends up turning them all into stone. Now that would be all she wrote if not for the timely intervention of a member of the third race.
Musts for this Challenge.
1: This story must start at some point in the in the first three seasons.
2: For the purpose of this challenge the Scoobies are, Buffy, Giles, Willow, Xander. But can also include Jenny Calender, Cordelia, Oz, and Faith.
3: The Fey who turns the Scoobies into Gargoyles, must stick around to explain the new facts of life to the group.
4: ...
Cartoons > Gargoyles • cursebreaker • Responses [0] • Date Added [3 Oct 14] • Date Updated [7 Oct 14]
A Crossover of BTVS/Biker Mice From Mars. I would love to see this. You may use either the old version or the newer version.

Willow and Xander, being bone tired of all the fighting and the many expectations of them, leave on a road trip together after the collapse of Sunnydale, they end up meeting the Biker Mice and....??

Must Have:
1. Willow and Xander of BTVS.
2. Throttle, Vinnie and Modo.
3. Willow still having her Witch Powers, but also being a good Ass Kicker.
4. Xander being a good Ass Kicker, whether or not his eye is gone is up to you. There has to be ...
Cartoons > Biker Mice from Mars • Kyr • Responses [0] • Date Added [30 Jul 14] • Date Updated [2 Aug 14]
When sent away for safety by those who love them most, Dawn and Connor each end up in the Land of Ooo.

Finn and Jake, however, are not the first people or citizens of the Candy Kingdom they encounter, however. Funnily enough, particularly since the Ice King has that penchant for kidnapping while in search of a wife, Dawn ends up in Marceline's house -- the Ice King wouldn't dare hurt her there, after all.

Connor, of course, instead ends up in the company of Princess Bubblegum -- something that certainly makes Finn jealous if Ricardio the Heart Guy (also thanks to Ice King, o...
Cartoons > Other Cartoons • Angelfirenze • Responses [0] • Date Added [29 Jun 14]
Here is a crazy challenge for you all.

What would it be like if the characters and events from the BtVS series took place in the Duck Tales/Darkwing Duck/Tale Spin universe?

What will the characters look like? How will the events of the Buffy series affect the other series and vice versa?
Cartoons • Omegaprime • Responses [0] • Date Added [23 Jun 14]
Xander wins a bet with Harmony, Cordelia, and Willow. As a result, they have to dress up as teenaged Powerpuff Girls.

By night's end, he is a forty year old single father, with three teenaged super powered daughters.

Alexander Utonium - Xander Harris
Bubbles - Harmony Kendall
Blossom - Willow Rosenberg
Buttercup - Cordelia Chase
Cartoons > Powerpuff Girls, The • djhardim • Responses [0] • Date Added [18 Sep 13]
I was looking at the Scooby Doo stories and I was disappointed at how few there are. The gang constantly use Scooby references so I would assume that more people would try to incorporate Scooby into their stories. My challenge is kind of simple with only 3 basic "rules".

1. One or more of the Buffy gang dresses up as a member of the Scooby gang. (Preferably Xander)

2. They either buy a toy Scooby or his collar and put it on a toy or real dog. Bottom line is a member of the Doo family (Scrappy or Scooby) joins the Sunnydale crew. This means that they stick around after the spe...
Cartoons > Scooby Doo • tavinseven • Responses [0] • Date Added [25 Aug 13]
Another Halloween Genderbender fic request.

This is mostly because I see a disturbing lack of Powerpuff Girls crossovers (which actually has a whole lot more potential than you'd expect), where Xander dresses as a Powerpuff Girl on a dare or lost a bet.

Not original, I know, but I thought, why not, since it has almost no action.

Anyway, I thought about making Xander Bubbles, or even Blossom (though Buttercup would be totally hilarious).

There are no age requirements for which outfit he picks, whether it's the kindergarten version, or the Powerpuff Girls Z ve...
Cartoons > Powerpuff Girls, The • FemXanderForever • Responses [0] • Date Added [23 Aug 13]
The Powers that be should have known better. They really should have. You do not steal a child from one reality to have it grow up to full fill responsibilities in another. Not when his parents are still alive and kicking. Especially not these parents.

Now you have Eris and Hoss Delgado coming to Sunnydale looking for their little boy. A little boy who is all grown up named Alexander L. Harris.

Yes this idea came to me and well it does explain all of the chaos and his hatred of evil quite nicely. I leave it open to you if you want other fandoms mixed in. But the basis is ...
Cartoons > Grim Adventures of Billy and Mandy • Typhonis • Responses [0] • Date Added [21 Aug 13]
A Yet Another Halloween Challenge

Xander is ordered by Snyder to coordinate his costume with his youth group which turns out to be Dawn and four of her friends who decide to go as the Planeteers forcing Xander to dress up as Captain Planet.

I would like for everything to be retain including Xander being Captain Planet only being let out when the Planeteers let their powers combine. Maybe have Aura dress up as Gaia :)

And maybe a cross with Marvel.
Cartoons > World of Captain Planet • RubyPaladin • Responses [0] • Date Added [18 Jul 13]
Quite a few fics have used Willow as Gaia's chosen avatar, but they all seem to lack any real work ethic. It's all power no responsibility. I say we balance that out by giving her an actual job!

1. Willow is regularly summoned by a group of teens wielding artifacts that allow them to manipulate the elements. These ecoterrorists don't take no for an answer when faced with corporations that seem to consider polluting the environment to be their main goal, rather than an unfortunate side effect. Willow's job, when summoned by them combining their talismans, is to try and accomplish the t...
Cartoons • (Current Donor)dogbertcarroll • Responses [0] • Date Added [23 May 13]
I was writing another story and I suddenly had a flash of inspiration to mention the Gummi Bears. After which, I felt like reading a Gummi Bear story. Alas, none were to be found on TTH. So, I am posting this very simple challenge to everyone to write a Gummi Bear story.


-You can't call them Gummy Bears (with a 'y')
-No Slash. In fact, this is a kid's show. Try to keep it PG.
-I think a Scoobies go to Gummi Glen will work better than the other way around, but seeing Princess Cala in modern America could be interesting too.
-Have Fun!
Cartoons > Other Cartoons • Oxnate • Responses [1] • Date Added [14 May 13]
As you can probably guess from the challenge name, this is for a Zuko/Buffy pairing. Now if they meet at some point during the series (when he's trying to find the avatar, his 'fugitive'/refugee time, or his travels with Aang and co., etc.) or after their journey is completed (though I'd like it if they met during the journey, at some point), I'll leave it to you to decide. Along with the fact if Buffy is a fire-bender or not. Though I'd like it if she kept her 'Slayer abilities'.

The time for Buffy-universe: After "The Gift" (meaning Buffy got de-aged a bit). A possible loss of memor...
Cartoons > Avatar: the Last Airbender • QueenCA • Responses [0] • Date Added [1 Jan 13]
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