Without more information about the 'Gold Coast short story', it's impossible to accurately name the main characters. But they could be fishermen who work along the Gold Coast's shores, or young surfers who are trying to make a name for themselves in the local surfing community. They might also be families who have lived on the Gold Coast for generations and have their own unique stories to tell.
I don't know the specific 'Gold Coast short story' you're referring to, so I can't say for sure who the main characters are.
The 'Gold Coast short story' could be about a variety of things. It might focus on a particular event that took place on the Gold Coast. For instance, it could be a fictional account of a big surfing competition that happened there, with characters and their individual stories intertwined with the excitement of the event. Or it could be about the local wildlife and how it interacts with the human population on the Gold Coast. There are so many aspects of the Gold Coast that a short story could explore.
Since I haven't read the story, I can't say for sure. But it could be a local inhabitant, a traveler, or perhaps a merchant.
I'm not a fan of online literature. I'm a person who loves reading novels. I only know some basic information about the Gold Coast because the Gold Coast is a fictional place. It may exist in novels, comics, games and other works. If you want to know more about the Gold Coast, you should read related works or consult professionals.
Then there is the unnamed narrator. He is Legrand's friend and is the one who tells the story from his perspective. He is involved in the events and helps to piece together the mystery of the gold.
The father is one of the main characters. He's the one who buys the gold cadillac, which sets off a series of events in the story.
I'm not sure as I haven't read the 'Trap of Gold short story' specifically, but typically in a story about a gold trap, there could be a greedy prospector. He would be one of the main characters who is driven by the desire to find gold.
Since I haven't read it, I can't say for sure. But it could be the owner of the gold watch, maybe a person who covets the watch, and perhaps a character who has some sort of connection to the watch's origin.
Since I don't know the exact story, I can't say for sure. But it could be a young adventurer who finds the gold coin, an old collector who is interested in it, and perhaps a villain who tries to steal it from the finder.
Typically, there are leprechauns as main characters in the pot of gold short story. They are the ones guarding the pot of gold.
There's not enough information given in just 'the gold coast demille novel' to know the author. It could be that 'Demille' is a pen name. Without more context, like the publisher, or any reviews or mentions of the book elsewhere, we can't identify the author.