One interesting storyline could be Perospero using his powers in unique ways to solve problems in the Big Mom Pirates. For example, his candy-based powers might be used to create elaborate traps for enemies.
His sister, Charlotte Smoothie, could be a great pairing. They both have unique powers and their interactions could lead to interesting story developments, like teaming up for a mission within the Big Mom Pirates.
Some fanfics might focus on her relationship with other characters in the One Piece universe. She could have a rivalry with a known pirate crew, leading to intense battles and strategic showdowns. Or perhaps she has a secret alliance with a character that no one suspects, which could lead to an interesting plot twist.
One common theme could be family loyalty. Since Perospero is an older brother, stories might explore how he protects and guides his younger siblings in the context of an original character's story. Another theme could be power dynamics, especially considering Perospero's abilities in the One Piece world.
One interesting storyline could be the Thundermans facing a new super - villain that has powers they've never encountered before. This would force them to think outside the box and use their powers in new ways.
One interesting storyline could be about a character who starts as a small - time criminal in Los Santos and gradually rises through the ranks of the criminal underworld. They might form alliances with different gangs and engage in high - stakes heists.
One interesting storyline could be about a group of survivors trying to rebuild a community in the post - apocalyptic world of Fallout. They might face challenges like raider attacks and resource shortages.
One interesting storyline could be the characters' struggle for survival in the unique 60 parsecs universe. They might face strange alien species and deal with scarce resources.
One interesting storyline could be about the characters' journey in a post - apocalyptic world where they have to form new alliances. For example, in some Daybreak fanfics, the characters might come together to find a hidden shelter that is rumored to have enough resources to sustain them for a long time.
One interesting storyline could be a character who has lost their memory and has to rediscover their life in Albert Square. It adds a sense of mystery and new relationships can be formed as others try to help them.
One interesting storyline could be about the characters facing a new martial arts challenge in their town. Maybe a group of tough opponents come to town and the Kickin It crew has to train hard and use new techniques to defeat them.