One popular 'deaged Percy fanfiction' is 'The Young Hero's New Start'. It's really interesting as it shows Percy dealing with his powers all over again from a younger perspective. The author does a great job of capturing his innocent yet determined nature.
I also like 'When Percy is Deaged'. This one focuses on how Percy's relationships change when he's deaged. His enemies underestimate him at first, but he quickly shows that even as a younger version, he's still a force to be reckoned with. It has a great plot that keeps you hooked from start to finish.
There's 'Percy's De - Aged Adventure'. In this fanfiction, Percy has to adapt to being a child again while still being in the middle of the dangerous world he's used to. It has some really cool moments where he uses his child - like charm to get out of tricky situations. The interactions with his friends in this new state are also very well - written.
Well, 'A Young Harry's Return' is also a notable one. Here, Harry is deaged and sent back in time to his younger self's era. This creates a really complex and engaging story as he has to deal with his past self, and also try to change some things for the better without disrupting the timeline too much.
One popular 'deaged Hermione' fanfiction is 'Hermione's Second Chance'. It explores what happens when Hermione is deaged and has to navigate Hogwarts all over again, but with the knowledge she already has. Another great one is 'Deaged Hermione and the New Beginnings' which focuses on how her relationships with her friends, especially Harry and Ron, change in this new state.
One great deaged Snape fanfiction is 'The Young Snape Chronicles'. It shows a deaged Snape dealing with the Hogwarts environment in a new way, with his usual snark but also a bit of child - like vulnerability. Another is 'Snape: Rejuvenated' which focuses on how his relationships with other characters change when he's deaged. There's also 'Deaged Snape's New Start' which has an interesting plot about Snape trying to hide his deaged state while still teaching at Hogwarts.
One great deaged Batman fanfiction is 'The Young Dark Knight's Return'. It shows Batman as a child, facing challenges in a new and interesting way. The author does a wonderful job of maintaining the essence of Batman even in his deaged state.
There's also 'Deaged Percy: The Lost Years'. This fanfiction delves into how Percy's deaging affects his relationships. It shows how his enemies might view him as an easier target, but also how his allies step up to keep him safe. It's full of action and emotion.
One great Danny Phantom deaged fanfiction is 'The Younger Phantom'. It has an interesting plot where Danny is deaged and has to deal with all the challenges that come with it while still having his ghost - fighting abilities. The story also focuses on how his friends and family react to his new younger self.
One great deaged Draco Malfoy fanfiction is 'The Young Malfoy' which explores how a deaged Draco has to navigate Hogwarts all over again. His relationships with the other characters are really interesting in this one.
In the Star Wars fanfiction world, there could be 'female deaged fanfiction' as well. However, it might be a bit harder to find. You could try joining some Star Wars fanfiction groups on social media platforms and ask the members if they know of any such stories. They might be able to point you in the right direction.
One great deaged Edward Elric fanfiction is 'The Young Alchemist'. It shows Edward in a deaged state and how he has to deal with the world around him in a different way. The author does a wonderful job of capturing his personality even as a child.
One great 'deaged Harry Ginny fanfiction' is 'The Younger Years' where Harry is deaged and Ginny has to take care of him. It's really cute and shows a different side of their relationship.