I'm not sure specifically as I haven't read this particular 'ripple in the pond' Naruto fanfic. But generally, Naruto fanfics can be about various things like exploring different relationships between the characters, creating new adventures for Naruto and his friends, or even delving into alternate universes where the story takes a different turn.
From the search results provided, it was impossible to obtain any specific information about the heavens that began from the Blue Ripple Pond. Therefore, I am unable to answer this question.
As I haven't read the 'ripple effect light novel', it's impossible to accurately name the main characters. However, it's common for light novels to have characters that drive the story forward. In a story about a ripple effect, there could be a character who starts the chain of events, perhaps unknowingly. This character could be an ordinary person with extraordinary circumstances, or a special individual with unique abilities. There may also be characters who oppose the changes brought about by the ripple effect, creating conflict in the story.
One idea could be exploring the backstories of the minor characters in 'A Ripple in the Pond'. For example, the character who always sits in the corner of the coffee shop in the story. You could create a whole new life for them, their dreams, and their secrets.
I don't have information on who specifically wrote 'a ripple in the patern fanfic'. There are so many fanfic writers out there and without more research, it's impossible to tell.
One idea could be a fanfic where Naruto discovers a new form of chakra that has a rippling effect on his techniques, making them more powerful and unpredictable. For example, his Rasengan could have a ripple-like energy around it that disrupts the opponent's defenses even more effectively.
Think about the characters you want to focus on. If you're interested in the protagonist, consider their unfulfilled desires or what could have been different in their journey. You can start with a simple description of the character's state of mind, like 'As he sat by the pond, John from 'A Ripple in the Pond' couldn't stop thinking about the letter he received yesterday.' This sets the scene and hooks the reader.
In 'A Ripple in the Pond' fan fiction, you might find stories that fill in the gaps between events in the original, or that take the characters into different settings and situations. It's really up to the creativity of the fans writing it.
In the 'life in a pond story', the main characters could also include the insects that live near or on the pond. Dragonflies, for instance, start their life in the pond as nymphs. Their presence affects the pond's ecosystem and they are an important part of the story of life in the pond.
Probably the fish are the main characters. They are often a significant part of pond life.