One cool thing about the older 'The Powerpuff Girls' fanfic was the expansion of their world. Writers would create new locations in Townsville or even introduce new characters that could be friends or foes. This added more depth to the original story we knew from the show. Also, some fanfics delved into the girls' relationships with each other on a more emotional level, like how they supported one another during tough times.
The older fanfics of 'The Powerpuff Girls' had a charm in their creativity. They would sometimes put the girls in different time periods or alternate universes. In these scenarios, we could see how the girls' personalities remained the same at their core, but how they adapted to new situations. It was also fascinating to see how fanfic writers played with the concept of their origin story, perhaps tweaking it slightly to create a whole new narrative while still staying true to the essence of the Powerpuff Girls.
I'm not sure there are really 'interesting' aspects in this as it might seem a bit of an odd or inappropriate concept. The Powerpuff Girls are meant to be strong, independent superheroes, and focusing on such a strange idea like 'diaper fanfic' goes against their original positive and empowering image.
One interesting aspect could be the unique way it plays with the characters' personalities. In fanfiction, the Powerpuff Girls' usually strong and fearless personas might be shown in a more vulnerable or giggly state during tickle scenarios. It can also be interesting to see how different writers explore the relationships between the girls and other characters in these light - hearted, ticklish situations.
One idea could be a fanfic where the Powerpuff Girls go on a space adventure. They could encounter new alien species and have to use their powers in unique ways to survive in the outer space environment.
One idea could be a crossover where the Powerpuff Girls and Sonic team up to fight a common enemy like Dr. Eggman and Mojo Jojo who have joined forces. They could combine their powers and speed to outwit the villains.
One interesting storyline could be the Powerpuff Girls Z facing a new, super - powerful villain from another dimension. This villain has powers that are the opposite of theirs and can manipulate time, causing chaos in Townsville. Another could be a story where they lose their powers temporarily and have to rely on their wits and teamwork to save the day. Maybe they team up with some of their former enemies who also realize the new threat is too great for them to handle alone.
You can try some of the older fanfic archives. Websites like Fanfiction.net might have a good collection. Just search for 'The Powerpuff Girls' and then filter the results by the older ones based on the publish date.
Also, creating new friendships or alliances for the Powerpuff Girls can be fun. Maybe they team up with some of the minor characters in a more prominent way to defeat a common enemy. This can bring out different dynamics among the characters and make the fanfiction more engaging.
There could be a fanfic where an OC is a long - lost sister of one of the main characters in Powerpuff Girls Z. She has been hidden away for some reason and now returns with a special mission. This would create a lot of emotional drama as well as new plot twists in the story.
One idea could be an OC who has a unique power like the ability to control plants. She could team up with the Powerpuff Girls to stop Mojo Jojo from creating a giant plant monster to take over Townsville. Another plot could involve an OC from another dimension who comes to Townsville seeking help because her own world is being threatened by a similar evil as in Townsville. The OC could bring new powers and a different perspective to the fight against the villains.
In many Older Powerpuff Girls fanfictions, friendship is still a big theme. Even as they grow up and face different challenges, their bond as sisters remains strong. Also, a lot of these fanfictions explore the idea of identity. The girls are no longer just little superheroes, they are becoming women with their own identities, and they often struggle to find where they fit in the world. And of course, there's the theme of facing new threats. As they grow, the threats to Townsville also become more sophisticated and require different approaches to deal with.