One possible fanfiction could be that Jimmy has a secret mission, and Heloise accidentally gets involved. They start off not getting along well because of their different personalities. But as they face difficulties during the mission, they gradually learn to understand and rely on each other, and in the end, they become great friends.
A great fanfiction idea could be that Jimmy discovers a hidden talent that Heloise has. He is amazed by it and tries to help her develop it further. Along the way, they share many laughs and some minor setbacks, but ultimately, Heloise's talent becomes something that benefits their whole community.
One possible theme could be friendship. Even in a 'buff Jimmy' context, the relationship between Jimmy and Cindy might explore different aspects of their friendship, like how they support each other in new and different situations.
Maybe Jimmy V is a person who has faced a lot of hardships in his life. Given the 'never give up' part of the title, he might be someone who has had to fight against all odds. He could be known in a local community for his tenacity or he might be a figure who has inspired others on a larger scale.
Jimmy Neutron is an animated series. It follows the adventures of a young boy genius named Jimmy Neutron. He has a knack for inventing all sorts of amazing gadgets. Along with his friends, he gets into various exciting and often comical situations in his hometown. For example, he might build a spaceship to explore outer space or create a device to solve a local problem.
In 'Pulp Fiction', Jimmy is that character who has this sort of regular - joe - caught - in - the - middle - of - mayhem feel to him. He's not part of the main criminal underworld like Jules and Vincent in the purest sense, but his connection to them drags him into their wild situations. For example, when they need a place to clean up and hide out for a bit, they turn to Jimmy's place, which causes all kinds of tension and comical - yet - dangerous moments.
In most comic storylines, Jimmy Olsen isn't a guardian. He's more often involved in reporting and assisting Superman rather than having a guardian role.
Jimmy was a guy whose house was used as a hideout or a place for the characters to deal with certain situations. His presence added an element of complication to the plot.