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Underfist: Return of the Spider Queen by SteveAtwater
After facing down the aSTRoVaMPiReS, Underfist learns of an all-new threat seeking to take over the world–and this time, they're led by Velma Green! Will Underfist be able to stop the Spider Queen? Will Fred Fredburger eat nachos and frozen yogurt? Will there be cobwebs everywhere? Find out the answers to these questions and more in Underfist: Return of the Spider Queen!
Rated: K+ - English - Humor/Adventure - Chapters: 10 - Words: 9,363 - Favs: 1 - Updated: 8/14 - Published: 8/10 - Complete
Ice Queen by kinkfloyd
Why would Mindy want to be friends with Mandy?
Rated: T - English - Chapters: 1 - Words: 139 - Published: 7/29 - Mandy, Mindy - Complete
Stupid Cupid by The Hired Girl reviews
It's Valentine's Day and Mandy doesn't want to be a part of it. However, the day is going to get a whole lot more chaotic when she gets hit by a particular bow and arrow. Billy x Mandy.
Rated: K - English - Humor/Romance - Chapters: 1 - Words: 1,159 - Reviews: 3 - Favs: 6 - Follows: 2 - Published: 6/13 - Mandy, Billy, Irwin - Complete
Do Over by MasterMind13 reviews
An extended ending to "The Greatest Love Story Ever Told." In which Nergal Jr. apologizes to a certain girl.
Rated: K - English - Hurt/Comfort/Romance - Chapters: 1 - Words: 819 - Reviews: 1 - Favs: 2 - Published: 6/10 - Complete
Underfist Against the aSTRoVaMPiReS by SteveAtwater reviews
The long-awaited sequel to Underfist: Halloween Bash...is never coming out. Why? Because Cartoon Network didn't renew Maxwell Atoms's contract a decade ago. Instead, there's this: a fanfiction attempting to continue the story of Underfist. Join Irwin, Fred, Hoss, Jeff, and Skarr as they take on their biggest challenge yet: the aSTRoVaMPiReS!
Rated: K+ - English - Humor/Supernatural - Chapters: 10 - Words: 9,207 - Reviews: 1 - Favs: 2 - Updated: 5/16 - Published: 4/19 - Complete
It's only for a week by JasonMyersX reviews
Mandy's archenemy Mindy is at it again, and this time she makes a dare with Mandy like no other before. Now, Mandy has to find a boyfriend in a week before Mindy does, otherwise she'll have to be the read headed girl's slave. Little does Mandy know, what comes out of it is an experience that will change her life forever. BillyXMandy. T now for language, M later for lemons.
Rated: T - English - Humor/Romance - Chapters: 1 - Words: 3,079 - Reviews: 2 - Favs: 12 - Follows: 9 - Published: 3/15
Stupidity got us into this mess, but it will never get us out by PixieVenus reviews
Billy and Mandy never liked each other but, they also never, didn't like each other.
Rated: K - English - Friendship/Romance - Chapters: 1 - Words: 811 - Reviews: 1 - Favs: 14 - Follows: 7 - Published: 3/1 - [Billy, Mandy] Grim - Complete
Grim Adventure of Billy and Mandy: Tough Love by King Of Nipples reviews
The story of how Mandy learns how to smile without ending the world.
Rated: T - English - Romance/Friendship - Chapters: 1 - Words: 1,061 - Reviews: 1 - Published: 2/6 - Mandy, Grim, Billy, Irwin
Unwanted Company by KenNan73888
Chael and his childhood maiden friend, Belle, visit his father castle. Not long, friends from different dimension comes along as well, to visit the castle and them. [MultiCrossover]
Rated: K+ - English - Humor/Friendship - Chapters: 1 - Words: 1,508 - Published: 1/27 - OC - Complete
Unforgotten Event by KenNan73888
One day, Billy and Mandy was fighting for Grim scythe when all of a suddenly, they were put under a curse. The curse cannot be undone, to what Grim had putted. The scythe been going crazy since Grim execution day. The day of that incident...
Rated: K+ - English - Supernatural/Friendship - Chapters: 1 - Words: 1,923 - Published: 1/27 - Mandy, Grim, Billy - Complete
Depression by tayrulez
someone is depressed - future fic
Rated: T - English - Chapters: 1 - Words: 908 - Favs: 1 - Published: 12/31/2017 - Mandy, Nergal Jr. - Complete
Billy and Mandy's Random Adventure by FunnyTina677
Based off the fanfic 'Flapjack and His Random Adventure.' Billy, Mandy, and Grim have a great time on a wonderful weekend day. But things go crazy when they go doing random things. Rated T for swearing, nudity, and of course randomness.
Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 691 - Favs: 1 - Published: 11/8/2017 - Complete
Web of Love by MasterMind13
A trip to the Underworld Forest leads to unexpected feelings. A GrimxVelma oneshot.
Rated: K - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 1,364 - Favs: 4 - Follows: 1 - Published: 10/31/2017 - Complete
Mind Over The Reaper by FunnyTina677
After Mandy is put on house arrest, Grim becomes a torch singer. A parody of "Mind Over Murder." Rated T for suggestiveness throughout and one bad word. Also for a middle finger. Sorry if you get offended.
Rated: T - English - Parody - Chapters: 1 - Words: 953 - Published: 10/26/2017 - Mandy, Grim - Complete
Underfist, The series by Princess Regia Al reviews
Ever wonder what happened to Underfist after the movie? Read to find out! PS. Cartoon Network, please renew Maxwell Atoms's contract and make this a TV show!
Rated: K+ - English - Adventure/Humor - Chapters: 6 - Words: 4,800 - Reviews: 2 - Favs: 6 - Follows: 3 - Updated: 8/30/2017 - Published: 7/31/2015
Life In The Grim Adventures Of Billy And Mandy by Warrior of Wrath reviews
So I died and now I'm a cartoon I have very little knowledge of. Add to that I'm a child and im being raised as the next heir to my father's legacy! What kind of weird situation am I in! Oh well ill just roll with it for now until I'm old enough to leave and live on my own, for ill interact with kids my age I guess. Hey, those two look decent enough! "HEY LETS BE FRIENDS!"
Rated: T - English - Supernatural/Adventure - Chapters: 8 - Words: 23,142 - Reviews: 19 - Favs: 36 - Follows: 26 - Updated: 8/24/2017 - Published: 7/8/2017 - Mandy, Grim, Billy, OC
Forever and Eternity by Young Napoleon22 reviews
The road had been long, and in her early years the new Empress believed it wouldn't happen until she was well into the middle of her life, but that all changed the day of Mr. Sunggles tenth birthday. The day she met the Grim Reaper. An epilogue to the entire series. Warning: Character death. Surprise ending.
Rated: T - English - Adventure/Supernatural - Chapters: 1 - Words: 2,837 - Reviews: 2 - Favs: 14 - Follows: 6 - Published: 6/5/2017 - Mandy, Grim, Billy - Complete
The Pros of Cons by Bob the Flying Monkey reviews
The summer of their 15th year, Billy is sent to military school, leaving Mandy alone in Endsville without her 2 'bestfriends'. Junior steps up to take their place, and Mandy's heart.
Rated: T - English - Adventure/Romance - Chapters: 8 - Words: 17,250 - Reviews: 9 - Favs: 30 - Follows: 30 - Updated: 5/30/2017 - Published: 8/31/2008 - [Mandy, Nergal Jr.] Nergal
Mandy's crush by mauleyripper reviews
Mandy has a crush on someone. Can Grim help?
Rated: T - English - Romance/Friendship - Chapters: 1 - Words: 529 - Reviews: 3 - Favs: 2 - Published: 1/28/2017
Un día más by AlenDarkStar reviews
Las mismas estupideces de siempre, los mismos problemas, no había nada diferente, solo era un día más.
Rated: K+ - Spanish - Humor/Supernatural - Chapters: 1 - Words: 1,295 - Reviews: 1 - Published: 12/16/2016 - Mandy, Grim, Billy - Complete
Christmastime in Endsville by awabblertoday reviews
Christmastime comes for the Endsville Kids. All grown up now, and waiting for Papa Grim. Part 3 of my 45 days challenge.
Rated: K - English - Chapters: 1 - Words: 786 - Reviews: 2 - Published: 11/11/2016 - Complete
5474 by Klm9658 reviews
Part 6 of my story
Rated: K - English - Chapters: 1 - Words: 388 - Reviews: 2 - Published: 5/7/2016
Trepanation of People's Skulls by Orange Ratchet reviews
Based off the two minute college film pilot! Grim decides to give Billy and Mandy a trepanation of their skulls in hopes of making them feel lightheaded. Little does he realize that it only made Mandy more sadistic than normal! What will happen when Mandy takes Grim's scythe and uses it to gives other people trepanations? Only craziness and chaos will ensue!
Rated: T - English - Humor/Horror - Chapters: 1 - Words: 1,422 - Reviews: 3 - Favs: 4 - Follows: 4 - Published: 5/4/2016 - Mandy, Grim, Billy
Good Advice by The-Mighty-Third-Draft
Maut is carrying a secret flame for his English co-star, the girl who plays Mandy in Grim Adventures. AU, Mandy/Grim (as Maut/Evie.)
Rated: T - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 2,108 - Favs: 6 - Follows: 2 - Published: 4/29/2016 - Mandy, Grim, OC - Complete
Grim Stories by The-Mighty-Third-Draft reviews
Grim X Mandy. Various (mostly) unrelated chapters of short fiction.
Rated: T - English - Romance/Drama - Chapters: 5 - Words: 2,895 - Reviews: 6 - Favs: 16 - Follows: 13 - Updated: 4/28/2016 - Published: 4/18/2016 - Mandy, Grim
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