Definitely not. Ophelia is a work of fiction. It's a tale woven by the author's imagination, not rooted in reality.
One main event is Conker's encounter with the Panther King. He has to deal with the Panther King's demands. Another is when he gets lost in strange lands and has to find his way back. Also, his battles with various foes like the Tediz are important events.
Well, if 'the death waltz ghost story' is a relatively unknown or niche one, it might be a story where a waltz was played at a tragic event, like a murder or a mass death. And the ghost of the victim or some malevolent spirit got associated with that waltz, and now it haunts the place where the waltz was first played or anyone who tries to play it again. It could also be a metaphorical 'ghost' in the sense of the dark memories and emotions attached to the waltz.
One significance is that it ties her to her roots. Her real name, Niamh, is a reminder of her Irish heritage which was a big part of who she was before the orphan train journey.
One way is to simply replace one of the character names in an existing story with your name. For example, if there's a story about a hero named John, you can change it to your name. Another option is to write your own story from scratch and naturally include your name as the main character or as an important part of the plot.
A fanfiction plot could involve Tatsumaki and Saitama getting trapped in an alternate dimension. They have to rely on each other to find a way out. Along the way, they learn more about each other's pasts and what made them become heroes. This would be a great opportunity for character development and exploring their relationship in a new setting.
The country mouse is often shocked by the city. There's so much noise and chaos that it makes the country mouse very nervous. When the city mouse goes to the country, it might find it too quiet and dull. It misses the excitement of the city.
Well, his eyes. His eyes become a more prominent feature. In some fanfics, his eyes are described as having a sort of magnetic pull without the glasses. For example, Lily might notice his eyes more and it could be a factor in their relationship development.
Well, Chopper is that sassy astromech droid and the Ghost is a really cool ship. In Rogue One: A Star Wars Story, the Ghost is like a home base for the rebels. Chopper is often seen on the Ghost, helping out with various tasks. The Ghost is important for transporting the rebels around, and Chopper helps with things like hacking and fixing stuff on the ship. They're both key elements in the Rebel Alliance's fight against the Empire.
Since I don't know the exact story, a key point could be the location in New Jersey. Another might be the type of shark involved if that's known.
The bal'kar horror story began in a small village near the bal'kar mountains. Every night, the villagers heard howls coming from the mountains. One night, a strange mist rolled down into the village. Along with the mist came these strange, bal'kar - looking beasts. They had long claws and sharp teeth. The villagers tried to fight them off with torches and pitchforks. But the beasts were too strong. They started attacking the houses and taking the villagers away. One by one, the village was being destroyed. The survivors fled, leaving behind the horror of the bal'kar invasion.