Data could be an interesting character to be de - aged in such fanfic. Since he was created rather than born, the concept of de - aging him could be very unique. It could explore how his positronic brain might handle the de - aging process, and how his understanding of humanity might change as he experiences a different form of 'growth' in a de - aged state.
Spock is also very popular. De - aging him can show a different side of his logical yet also somewhat naïve self when he was younger. It can also explore his relationship with his Vulcan heritage in a new light, as he might be more in touch with his emotions in a de - aged state compared to his more stoic adult self.
Captain Kirk is often a popular choice. His charisma and leadership skills are well - known, and seeing him as a young, inexperienced version can be really appealing. It allows for a new exploration of his character development.
Harry Potter himself is quite popular. Since he's the main character, seeing him in a de - aged state offers a lot of storytelling possibilities. Hermione Granger is also a common choice. Her intelligence at a younger age could lead to different adventures. And then there's Draco Malfoy. Writers like to explore his character when de - aged as it gives a chance to rewrite his early interactions with the other characters in a new light.
In Star Trek de - aging fanfic, a cool concept is the exploration of different time periods through the de - aged characters. Maybe they get de - aged and end up in a time when the Federation was just being formed. This would allow for a fresh look at the early ideals and challenges of the Federation, and how these de - aged characters from a later time would interact with those historical events and figures.
It's difficult to name specific popular 'gay de aged fanfic' stories as it depends on various factors like the popularity of the original source material, the size of the gay fan community within that fandom, and how active the fanfic writers are. In some fandoms related to books that have been adapted into movies or shows, there could be some 'gay de aged fanfic' that gain popularity among those who are interested in exploring different aspects of the characters' relationships and their younger selves. But often these are more known within the specific fan communities rather than having mainstream popularity.
The 'family - like bond' trope is often seen. De - aged Tony forms closer bonds with the people around him, almost like a family. They protect him and he in turn, uses his genius to help them. For instance, he might become like a little brother figure to some characters. And there's also the 'coming - of - age' trope even though he's already an adult. He still has to grow in this new de - aged state, learning new things about himself and the world.
One interesting story could be where Jim is de - aged and has to navigate the ship's politics all over again from a new perspective. He might face challenges as the crew initially doesn't take him seriously because of his young appearance but he gradually proves himself.
De-aged Namjoon fanfic often explores themes of innocence and growth. It might show him in new and unexpected situations.
In such fanfic, Sam is often portrayed as younger with a more innocent and naive personality. There might be storylines exploring how they adapt to this new age.
In de-aged Nico fanfic, you might find storylines that show Nico facing challenges anew or having different interactions with other characters because of their younger age. It often brings a fresh perspective to the character.
Well, usually these fanfics focus on giving the Galra characters a younger appearance and exploring how that changes their storylines and interactions.
De-aged Sora fanfic often focuses on showing a younger version of the character with innocent and curious traits. It might explore how they handle new situations with their childlike perspective.