One common theme could be friendship development. Since they are likely characters with some sort of connection, fanfictions might explore how their relationship deepens over time. Another theme could be adventure, where they go on some sort of journey together.
I'm not sure of specific ozzy x drix fanfictions off the top of my head. But you could try searching on fanfiction - specific websites like Archive of Our Own. There might be some interesting stories there written by fans who are really into this pairing.
The main characters are Christine, Ozzy and Drix. Christine is likely a smart and resourceful character. Ozzy might be more of a fun - loving and street - smart type. And Drix is probably the one with scientific knowledge, especially related to health and the body.
Well, a plot could involve Christine getting into some trouble at school. Ozzy and Drix come to her rescue in their own unique ways. Ozzy might use his charm to distract the bullies while Drix gives Christine advice on how to handle the situation in a more diplomatic way. Or perhaps they all enter a science fair together and create an amazing project that combines Drix's knowledge of the body, Ozzy's creativity and Christine's research skills.
One common theme is friendship. Since Osmosis and Drix are partners, many fanfictions explore how their friendship develops and endures through various situations.
There might be some Osmosis X Drix fanfiction on Wattpad as well. However, the quality can vary a great deal. Some stories might focus on their adventures in the body, while others could explore their relationship in a more creative way. You have to look through the listings to find the ones that interest you.
A fanfiction of Ozzy and Strut could focus on their backstories. For example, it could explore how they became the mischievous characters they are. It might show their early days in the land before time, what made them form their alliance, and how they learned to be sneaky and conniving. This could add more depth to their personalities in the fanfiction world.
Perhaps it's about Ozzy and Strut trying to steal something important from the main characters. They are known for their devious ways in the movie, so it would be in character for them to plot such a thing in a fanfiction.
The significance of the Ozzy Bat Story might be to show the uniqueness of bats. If Ozzy has special characteristics or behaviors in the story, it can teach us about the diversity within the bat species. For example, if Ozzy can communicate in a special way, it could help us understand more about bat communication in general.
I'm not sure specifically which 'Ozzy Bat Story' you are referring to. It could be a unique story about a bat named Ozzy that involves its adventures in a forest perhaps, like flying around looking for food and a place to sleep.