The fanfiction 'Gaea's Unseen Realm' is very creative. It takes the idea of Gaea's domain and expands it into a whole new world. The author creates unique creatures and landscapes within Gaea's realm that are both beautiful and terrifying.
A really creative one is 'Percy Jackson: Gaea's Redemption'. It has a very different take on Gaea. Instead of being a pure villain, it explores the possibility of her redemption. It makes you think about the nature of good and evil in the Percy Jackson universe.
Well, 'Percy and Fone Bone's Quest' is quite creative. It sends Percy and Fone Bone on a joint quest. They have to use their combined knowledge and skills to overcome various obstacles. It's creative because it weaves the magic and lore of both series so seamlessly.
A very creative 'Thor meets Percy Jackson' fanfiction involves the two being sent back in time to the creation of their respective mythologies. They have to make sure things happen as they should without changing history too much. It's full of interesting twists as they interact with the primordial beings of both mythologies.
In some fanfictions, Gaea's love for Percy could be a curse placed on her by some other deity. Percy initially is repulsed but as the story progresses, he realizes that there's more to Gaea than just the evil being he knew. The fanfic could then delve into how they both try to break the curse and in the process, understand each other better. It could also involve other characters from the Percy Jackson series reacting to this strange relationship.
A very creative idea is the use of prophecies. In the Percy Jackson series, prophecies play a big role. Some fanfictions incorporate this into the Marvel crossover. There could be a prophecy that predicts the coming together of the demigods and the superheroes to save both universes from a great threat. This forces the characters from both worlds to work together, even if they don't initially trust each other. It adds an element of mystery and fate to the story, making it more engaging.
I'm not sure of specific titles, but a good fanfiction in this regard might be one where Gaea's love for Percy is a result of seeing a future where they could rule together. Percy, of course, has to decide if he wants to be part of such a future or fight against it.
One really creative joke is that Percy Jackson walks into a library and the librarian says 'No running!' and Percy says 'But I'm a son of Poseidon, I can't help it if I have fast currents!' This joke is not only funny but also shows Percy's character trait in a humorous way. Fanfiction writers often come up with such character - based jokes to add depth and humor to the story. They use Percy's powers and his often - clumsy or unaware - of - mortal - rules nature to create these comical situations.
There might be a fanfiction where Percy forms an unlikely alliance with Gaea. Maybe Gaea is not entirely evil in this story, and they have to work together to face a greater threat that endangers both their existences. This would be a really interesting take on their relationship.
One great 'Percy Jackson Gaea' fanfiction is 'The Battle Against Gaea's Wrath'. It continues the story after the end of the main series, with Percy and his friends facing new threats related to Gaea. The author does an amazing job of keeping the characters' personalities intact.
One possible fanfiction could be about Percy Jackson having a strange encounter with Gaea's power while in a lemon grove. Maybe the lemon trees are enchanted by Gaea, and Percy has to figure out how to break the spell without getting caught in Gaea's grander plans for chaos.
In the Percy Jackson series, Gaea is a villain, and a love relationship between Percy and her in the context of the original story is very unlikely. However, in the world of fanfiction, anything can be created. There might be some fanfictions exploring such a strange and dark concept, but it would be a very unorthodox take on the characters.