Happy's simple - mindedness often leads to humorous situations. He might misunderstand a complex plan in the guild and go off on his own tangent, creating chaos. For example, if the guild is planning a surprise party for someone and Happy misinterprets the instructions, he could end up ruining the surprise in a really comical way.
His love for fish also plays a big part. In fanfiction, there could be situations where he goes to extreme lengths to get a fish. Maybe he bargains with a shady character in the market, offering things he doesn't really have in exchange for a big, juicy fish. His determination and naivete in these situations are quite funny. Also, his flying ability combined with his clumsiness can be a great source of humor. He might accidentally fly into walls or knock over objects while trying to show off his flying skills, which always makes for a good laugh.
One of the funniest scenarios could be when Happy tries to 'help' Natsu cook but just ends up making a huge mess. He might accidentally add too much of an ingredient or knock over pots while flying around the kitchen in excitement.
One idea could be that Happy's death shatters the Fairy Tail guild. Natsu, being his closest friend, goes into a deep depression. The guild loses its usual cheer and the members struggle to come to terms with the loss. They might hold a grand memorial for Happy, and throughout the fanfiction, it could show how each character copes in their own way, like Lucy writing in her diary about all the memories she had with Happy.
His loyalty would still be a big part of his personality, but it could be expressed differently. Instead of just following Natsu around like he did as an Exceed, he might try to support Natsu in more strategic ways as a human, using his newfound human intelligence.
Happy's character development in a Fairy Tail Happy the Dragon fanfic could be quite complex. At first, he might be scared or confused about his transformation. However, as the story progresses, he could learn to control his new powers. This gives him a sense of accomplishment. His relationships with other characters will also change. For instance, he may become a role model for some of the younger members of Fairy Tail. His growth as a character could also involve learning about the moral responsibilities that come with great power. He might face tough decisions where he has to choose between using his dragon powers for good or being tempted by the dark side of power. Through these experiences, he matures and becomes a more well - rounded character in the fanfic.
One idea could be that in their human forms, Happy and Carla are part of a detective agency in Magnolia. Happy is the enthusiastic junior detective while Carla is the more serious and observant one. They solve mysteries related to magic items that have gone missing, often running into other Fairy Tail members who unknowingly hold clues.
Another possibility is an accident within the story. Perhaps during a chaotic battle or a magical experiment gone wrong, Happy could be caught in the crossfire or affected by some unforeseen magical consequence. This would be a tragic turn of events for the usually cheerful and helpful Exceed.
Maybe they leave because they want to search for answers about their pasts. Happy might want to know more about his origins, and Lucy could be seeking something related to her family's history.
For Natsu, it would be devastating. Happy has been his constant companion since they were young. Natsu would likely be filled with rage and grief, which could potentially lead him to seek revenge against whoever or whatever caused Happy's death.
There are many great authors in Fairy Tail Happy and Charle fanfiction. One of the well - known ones could be someone who goes by the username 'FairyTailLover123'. Their works often focus on the cute interactions between Happy and Charle and are very detailed in depicting the Fairy Tail world.
The humor. Happy's quips are always a source of laughter. In the fanfiction, they can be exaggerated in a really fun way.