Grim Adventures of Billy & Mandy
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Grim Adventures: The Thousand-Year Door
by TMan5636 reviews
When the Endsville kids accidentally cross dimensions, they're now trapped in the Mushroom Kingdom. With nowhere else to go, they choose to help a certain red clad plumber find the Crystal Stars and unlock the mysteries behind the Thousand-Year Door. Rated K for mild bad language and possibly violence.
Crossover - Mario & Grim Adventures of Billy & Mandy - Rated: K+ - English - Adventure/Humor - Chapters: 6 - Words: 9,738 - Reviews: 6 - Favs: 2 - Follows: 2 - Updated: 4h - Published: 9/16
The Grim Adventures of Camp Camp
What will happen to all of the campers of Camp Campbell, as they are introduced to two strange children who somehow have a connection with death himself? Not just that, there seems to be something foul at play, but who's behind it all?
Crossover - Grim Adventures of Billy & Mandy & Camp Camp - Rated: T - English - Mystery/Supernatural - Chapters: 5 - Words: 5,531 - Favs: 3 - Follows: 2 - Updated: 13h - Published: 10/9 - Mandy, Grim, Billy, Max
by PupCakes reviews
Billy and Dipper find out that they are switching schools as exchange students for their first year of high school! What will happen to Dipper in Endville as he meets Grim and Mandy, while Mabel meets Billy? Watch as Dipper uncovers the mysteries of another town that seems to attract the paranormal!
Crossover - Grim Adventures of Billy & Mandy & Gravity Falls - Rated: T - English - Mystery/Adventure - Chapters: 1 - Words: 803 - Reviews: 1 - Favs: 3 - Follows: 3 - Published: 10/9 - Mandy, Billy, Dipper P., Mabel P.
The Fangire Princess
I do not own Billy & Mandy or Kamen Rider Kiva or the characters. They belong to their rightful owners. (Warning: There will be lemons.) Custom characterxMandyxHarem. Enjoy!
Crossover - Kamen Rider & Grim Adventures of Billy & Mandy - Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 2,129 - Favs: 1 - Follows: 2 - Published: 8/18 - [OC, Mandy] Kivat-bat the 2nd, Grim
Wrath of the Spider Queen
by PerkyGoth14 reviews
Cartoon Network School has an odd infestation of spiders and the others find out it is caused by the one known as Velma Green: The Spider Queen who is out for revenge against Billy and Mandy's 'best friend forever': The Grim Reaper.
Crossover - Cartoon X-overs & Grim Adventures of Billy & Mandy - Rated: T - English - Horror/Adventure - Chapters: 16 - Words: 18,959 - Reviews: 8 - Favs: 2 - Follows: 2 - Updated: 8/1 - Published: 7/21 - OC, Grim - Complete
Grim sees Final Destination
by madger the badger
Grim is taken to see a re-screening of "Final Destination" and asks for a refund.
Crossover - Final Destination & Grim Adventures of Billy & Mandy - Rated: K+ - English - Humor/Horror - Chapters: 1 - Words: 200 - Favs: 1 - Published: 7/8 - Nick, Mandy, Grim, Billy
Be A-Fred, Be Very A-Fred Digimon Frontier Style!
by 1942 reviews
This is my FIRST ever crossover fanfic!
Crossover - Digimon & Grim Adventures of Billy & Mandy - Rated: K+ - English - Humor/Parody - Chapters: 1 - Words: 2,504 - Reviews: 1 - Published: 6/30 - Lucemon, Mandy, Billy, Fred Fredburger - Complete
Deal with the Reaper
by DannyFenton123 reviews
Becoming a half ghost was not the work of fate. Somebody merely interrupted the Grim Reaper in the middle of their reaping, but when Grim tries to set things right they find a much more appealing alternative.
Crossover - Danny Phantom & Grim Adventures of Billy & Mandy - Rated: T - English - Humor/Supernatural - Chapters: 4 - Words: 6,075 - Reviews: 4 - Favs: 25 - Follows: 22 - Updated: 5/23 - Published: 5/13 - Danny F., Mandy, Grim, Billy
Sword of the Underworld
by Lord Maximus reviews
(One-shot based on Heaven's Star) Grim offers Numbuh 1 a way to save the Kids Next Door and the world from Mandy by giving him the power of ancient warriors who existed since the near beginning of time.
Crossover - Codename: Kids Next Door & Grim Adventures of Billy & Mandy - Rated: K+ - English - Adventure/Spiritual - Chapters: 1 - Words: 3,447 - Reviews: 3 - Favs: 10 - Follows: 7 - Published: 4/26
Algo sombrío llega de esta manera
by Tsukimira reviews
TRADUCCIÓN NO OFICIAL - CRÉDITOS A RUSKBYTE. Harry está a punto de comenzar su primer año en Hogwarts. Con él viene su cínica, algo no oficial (por no hablar empeñada en dominar el mundo) novia; Mandy. Y también esta llegando su mutuo mejor amigo (es decir: sirviente) la muerte personificada.
Crossover - Harry Potter & Grim Adventures of Billy & Mandy - Rated: T - Spanish - Humor/Parody - Chapters: 21 - Words: 69,702 - Reviews: 15 - Favs: 17 - Follows: 10 - Updated: 1/19 - Published: 12/20/2015 - Complete
Return of Eris
by PerkyGoth14 reviews
Hermione and Eris plot revenge against Mike, Lu, and Og for banishing and repulsing Eris back in Egypt. It is up to Mike, Lu, Og an their other friends to meet Eris and get even before they will be destroyed. Will they be able to accomplish such a disgusting feat that involves Discord the draconequus?
Crossover - Grim Adventures of Billy & Mandy & Mike, Lu & Og - Rated: T - English - Romance/Adventure - Chapters: 16 - Words: 19,935 - Reviews: 9 - Updated: 1/13 - Published: 12/13/2015 - [Mindy, Mike M.] Hermione
My Soul To Reap
by Bob the Flying Monkey reviews
"I like my men a little on the tragic side," she said. So Grim gets the brilliant idea to set Mandy up with Voldemort: "Neither of you have noses! You're perfect for each other." But what horror has Grim released upon the world? And more importantly, upon himself? UPDATE 9/2015: You responded. I'm continuing.
Crossover - Grim Adventures of Billy & Mandy & Harry Potter - Rated: T - English - Romance/Humor - Chapters: 3 - Words: 5,023 - Reviews: 11 - Favs: 24 - Follows: 27 - Updated: 9/21/2015 - Published: 7/23/2012 - Voldemort, Tom R. Jr., Mandy, Grim
Eviler than Thou
by Akela Victoire reviews
When Timmy's had enough, he wishes for someone to teach Icky Vicky a lesson. Vicky finally meets her match in Timmy's cousin Amanda "Mandy" Maxwell, a girl several times more manipulative, intimidating and evil than she could ever hope to be…
Crossover - Fairly OddParents & Grim Adventures of Billy & Mandy - Rated: T - English - Drama/Humor - Chapters: 7 - Words: 12,740 - Reviews: 65 - Favs: 106 - Follows: 66 - Updated: 9/18/2015 - Published: 10/15/2012 - Vicki, Mandy - Complete
The Grim Adventures of Star and Marco
by Story Nado
What if the Grim Reaper met Star and Marco?
Crossover - Grim Adventures of Billy & Mandy & Star Vs. The Forces of Evil - Rated: K+ - English - Humor/Supernatural - Chapters: 1 - Words: 442 - Favs: 1 - Follows: 1 - Published: 8/25/2015
Ghosts & Gilded Apples
The Kanker Sisters & the Ed Boys discover a body in the mud near the cabin they're staying in over spring break holiday. Confronted with the vengeful spirit of the deceased, they are forced to ally with Death Himself in order to solve the mystery behind her murder. But can teaming up with demons and meddling with supernatural forces really end well for the Peach Creek gang?
Crossover - Ed, Edd n Eddy & Grim Adventures of Billy & Mandy - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 3,787 - Favs: 1 - Follows: 1 - Updated: 8/25/2015 - Published: 6/29/2015 - Eds, Kankers, Mandy, Grim
Until Our Last Breath
Grim has always been close by, watching and waiting…
Crossover - Courage: The Cowardly Dog & Grim Adventures of Billy & Mandy - Rated: T - English - Chapters: 2 - Words: 1,648 - Favs: 7 - Follows: 5 - Updated: 8/4/2015 - Published: 7/14/2015 - Eustace B., Muriel B., Courage, Grim
Idiot Magi Billy Magica
by equach reviews
This is what you get when Billy bring a magical girl to a school dance. I do not own any of this and the following belongs to their respective owners.
Crossover - Grim Adventures of Billy & Mandy & Puella Magi Madoka Magica/魔法少女まどか★マギカ - Rated: K+ - English - Parody - Chapters: 3 - Words: 3,361 - Reviews: 2 - Favs: 1 - Updated: 7/16/2015 - Published: 7/11/2015 - Billy, Homura A. - Complete
Equestria's Unexpected Heroes
The day three DJs hear of a robbery of a royal carriage thier lives completely change. They befriend a strang creature only to find out that he was part in a horrible plot to take over Equestria. But who would try and take over the peaceful place? And why?
Crossover - My Little Pony & Grim Adventures of Billy & Mandy - Rated: T - English - Mystery/Family - Chapters: 6 - Words: 9,397 - Updated: 7/7/2015 - Published: 6/23/2015
Dimensional Realities: Setting Dawn
by Dawn Totadile reviews
PMD: Darkness has fallen on the world and it seems that all hope is lost when a young girl is summoned from the mists of time and space. With amnesia and courage, she battles her way through a paralyzed world, but will that be enough to see the Dawn again? Follow her and her friends as they travel across the world on the quest for the Time gears. more characters than listed, sorry.
Crossover - Pokémon & Grim Adventures of Billy & Mandy - Rated: K - English - Adventure/Mystery - Chapters: 17 - Words: 20,215 - Reviews: 3 - Favs: 8 - Follows: 6 - Updated: 6/13/2015 - Published: 2/24/2013 - Grovyle/Juptile, Oshawott/Mijumaru, OC, Mandy
Luchando en otro planeta
by Don Jaimico de la Torre
Los Eds junto con Billy, Irving y Pecas irán en un viaje intergaláctico a un planeta, donde viven en zona conflictiva
Crossover - Ed, Edd n Eddy & Grim Adventures of Billy & Mandy - Rated: K+ - Spanish - Sci-Fi - Chapters: 1 - Words: 1,724 - Published: 4/8/2015 - Complete
by mah29732 reviews
Sequel to the Fire Badge story that I posted long ago. Billy is after another badge in Winter Camp, Grim has to summon Sub-Zero but that also summons his old rival Scorpion to disrupt things.
Crossover - Mortal Kombat & Grim Adventures of Billy & Mandy - Rated: T - English - Adventure/Humor - Chapters: 4 - Words: 2,748 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 4/4/2015 - Published: 3/15/2015 - Scorpion/Hanzo H., Sub-Zero/Kuai Liang, Grim, Billy - Complete
The Grim Adventures of Mordecai and Rigby
by ASoulOfVirgoBoy reviews
What if Grim never met Billy and Mandy but Mordecai and Rigby instead. It takes place at Mordecai and Rigby's high school years. A Regular Show/Grim Adventures crossover. This fanfiction will contain crude humor, mild language, and other offensive content. This is not for children under 13. Viewer discration is adviced.
Crossover - Grim Adventures of Billy & Mandy & Regular Show - Rated: T - English - Humor/Supernatural - Chapters: 1 - Words: 1,738 - Reviews: 1 - Published: 3/1/2015 - Grim, Mordecai, Rigby
The NEW Grim Edventures of Ed, Edd n Eddy
by thebestkindofstupid reviews
In an alternate universe, Grim loses a bet and becomes enslaved to Ed, Edd n Eddy. Chronologically taking place before Season 2 of the original Ed, Edd n Eddy, this story focuses on the strange events that unfold after this experience. The author is always trying to improve with this story, so reviews are greatly appreciated.
Crossover - Ed, Edd n Eddy & Grim Adventures of Billy & Mandy - Rated: K+ - English - Supernatural/Humor - Chapters: 17 - Words: 41,854 - Reviews: 22 - Favs: 20 - Follows: 18 - Updated: 11/17/2014 - Published: 7/8/2013 - Ed, Edd, Eddy, Grim
The Grim Adventures With Dipper and Mabel
by TheCartoonKid2009 reviews
Mabel's pig Waddles gets into an accident, and Grim comes to reap his soul. Dipper and Mabel then challenge Grim to a bet to keep Waddles and for him to be their friend for the rest of the summer.
Crossover - Grim Adventures of Billy & Mandy & Gravity Falls - Rated: K+ - English - Supernatural/Humor - Chapters: 2 - Words: 3,452 - Reviews: 8 - Favs: 11 - Follows: 12 - Updated: 9/30/2014 - Published: 9/22/2014
Tea and Hellfire64 | Page 1 .. Last Next »
by Akela Victoire reviews
Two of the most feared beings in existence sit together in Hell, talking about the banes of their existence…
Crossover - Powerpuff Girls & Grim Adventures of Billy & Mandy - Rated: T - English - Supernatural/Drama - Chapters: 1 - Words: 1,086 - Reviews: 5 - Favs: 7 - Follows: 1 - Published: 9/30/2014 - Him, Grim