The use of character quirks can make a Harry Potter fanfic funny. For example, if the author exaggerates Neville's clumsiness in a new and creative way. Maybe Neville accidentally knocks over the entire potions classroom while trying to catch his toad. Another factor is the unexpected twists on the original story. Like if Dumbledore suddenly starts break - dancing during a serious Hogwarts meeting.
One great 'funny grey' Harry Potter fanfic could be 'The Misadventures of Grey - Haired Harry'. It has Harry in some rather comical situations where his hair turns grey prematurely due to a spell gone wrong. Another one might be 'Grey - Day at Hogwarts' which is full of humorous moments as Harry tries to navigate through a Hogwarts that has turned grey for some mysterious reason. And there's also 'Grey - Eyed Harry's Pranks' where Harry uses his new - found grey - eyed powers in the most hilarious ways.
One really funny Harry Potter fanfic is 'The Day Harry Potter Swapped Bodies with Ron Weasley'. Just imagine the chaos that ensues when two best friends suddenly find themselves in each other's bodies. They have to deal with each other's daily routines, from Ron trying to handle Harry's fame and Harry having to deal with the Weasley family dynamics in a very different way. It's full of laugh - out - loud moments.
Well, just based on that title alone, it's difficult to determine its quality. There are so many aspects that make a Harry Potter fanfic great. For example, it could explore new relationships between the characters, or create exciting new magical adventures. But we don't know if 'skull is harry potter fanfic' does any of those things. So, it might be good, it might not.
In some time travel fanfics, Hermione might try to correct the timeline but ends up making things even more chaotic. For example, she tries to stop a prank that Fred and George were supposed to play, but by doing so, she causes a chain reaction that has Professors Snape and McGonagall teaming up in a hilarious dance-off to resolve the magical chaos. It's a really funny and unexpected twist.
The 'grey' aspect in a Harry Potter fanfic can add an element of mystery. When combined with humor, it creates a unique charm. For example, if Harry has a grey - colored magical item, it can lead to all kinds of comical misunderstandings. It's different from the typical Harry Potter scenarios we're used to, which makes it appealing.
One funny idea could be a story where the Marauders accidentally turn themselves into cats and have to deal with life in Hogwarts as felines. They'd be chasing mice instead of playing pranks on Snape for a while, and it would be hilarious to see them trying to communicate with the other students while being cats.
The humor in Harry Potter fanfiction can come from the fact that it allows for more creative liberties. Fans can explore different relationships between characters in a light - hearted manner. For example, they might write about Hermione trying to teach Snape how to dance, which would be both absurd and funny considering their personalities in the original story. Also, the use of magic in comical scenarios, like using a spell to make Dumbledore's beard change colors every time he sneezes, adds to the hilarity.
A really interesting 'Harry Potter' funny fanfic with plot twists is the one where the time - turner Hermione used actually sends her and Harry back to the time of the Founders of Hogwarts. The humor comes in as they try to fit in and use their modern - day magic in a very different era. There are plot twists like when they accidentally change the house colors and the sorting system. Also, they end up befriending a young Slytherin who is nothing like the Slytherins they know, and this young Slytherin helps them get back to their own time in a very unexpected way.
Crookshanks, Hermione's cat, could be a really funny character in fanfics. He might team up with the Weasley twins' mischief - making. Picture Crookshanks stealing Snape's ingredients for potions and leading Snape on a wild chase around Hogwarts while the twins set up booby traps along the way. It would be a riot.