Another good option could be Ms. Bellum. She is very intelligent and organized. She could easily keep up with the Powerpuff Girls' high - energy levels. She would also be able to plan fun activities for them, like educational games that would also help them in their fight against crime. Plus, she could use her own skills to help the girls if they get into any trouble.
Maybe Professor Utonium could be a good babysitter. He already knows the Powerpuff Girls very well, their strengths and weaknesses. He created them, after all. So he would be able to handle any situation that might come up while babysitting them, whether it's dealing with a monster attack or just making sure they eat their vegetables.
I think Bubbles could be an interesting babysitter in a fanfiction. Even though she is one of the Powerpuff Girls herself, she has a very nurturing side. She loves animals and taking care of things. So she could be put in a situation where she has to babysit her sisters or even some new super - powered kids in Townsville. She would be gentle and kind, but also know when to be firm if needed.
Tickle fanfiction about The Powerpuff Girls can be really creative. It might involve scenarios where the Powerpuff Girls are in a ticklish situation, perhaps during a battle with a villain who discovers their ticklish spots and uses it to try and gain an advantage. However, it's important to note that this kind of fanfiction is more on the light - hearted and fun side of the fandom.
In fanfiction, if The Powerpuff Girls met Superman, there could be an epic battle at first. The Powerpuff Girls are used to being the top defenders in their city, and Superman is a powerful hero. But then they might realize they have a common goal of protecting the innocent. They could team up and use their combined powers to face a huge threat like an alien invasion. Superman's super strength and flight, along with the Powerpuff Girls' unique abilities like Blossom's ice - breath, Bubbles' sonic scream, and Buttercup's tough fighting skills, would make them an unbeatable force.
There's a fanfiction where the Powerpuff Girls' sister has to deal with an identity crisis. She feels overshadowed by her more well - known sisters. It delves deep into her character, showing her struggle to find her own place in Townsville. Also, there are fanfictions that explore the sister's origin story in more detail than the original show.
The Professor could play a bigger role. He could be like a Merlin - like figure, guiding the Powerpuff Girls with his scientific knowledge that has a touch of magic to it. For example, he could create new gadgets for them that are based on ancient artifacts or spells from old books he has studied.
The Powerpuff Girls have powers like super strength, flight, and energy projection. Ghost Rider has his chain, hellfire, and the Penance Stare. If they were in a fight together, the Powerpuff Girls could use their flight to quickly move around and avoid Ghost Rider's attacks. At the same time, Ghost Rider's hellfire might be able to counter the Powerpuff Girls' energy blasts. For example, Blossom's ice - breath power could be nullified by Ghost Rider's intense hellfire.
Obviously, Blossom, Bubbles, and Buttercup are the most popular. They are the main characters after all. But villains like Mojo Jojo are also often included as they provide great conflict. Also, the Professor who created the Powerpuff Girls can be an important character in fanfiction, especially if it involves the origin story or some kind of scientific experiment gone wrong.
Professor Utonium is a popular character to include. He is the creator of the Powerpuff Girls and his relationship with them can be explored in different ways in fanfiction. Maybe he creates a new experiment that has unexpected consequences for the girls. Another popular character could be the Rowdyruff Boys as they can create interesting rivalries and storylines with the Powerpuff Girls.
Blossom Z is often very popular. Her leadership skills and strong powers make her a central figure in many stories. Writers like to explore how she makes decisions in difficult situations.
Mojo Jojo would be a likely main antagonist. He's always trying to outwit the Powerpuff Girls, and using hypnosis would be just another devious plan in his arsenal.
Bubbles is a key character. She has her blonde pigtails and her superpowers. Boomer is also crucial. He has his own set of characteristics that contrast with Bubbles'. In many fanfictions, they are the focus as their relationship is explored, whether it's a friendship that forms unexpectedly or a more complex relationship that develops over time. Other characters from the Powerpuff Girls and Rowdyruff Boys universes may also appear to support or complicate their story, but Bubbles and Boomer are the main attractions.