Texas Jack might have been a character with a reputation in the community. He could have been a frontiersman, someone who was among the first to explore and settle in certain areas of Texas. He might have been involved in building relationships with Native Americans or in establishing trade routes. There are many possibilities.
In the Jack the Ripper story, Jack the Ripper was a very infamous figure. He preyed on women in a poor area of London. There have been many suspects proposed over time, from local butchers to members of the upper class trying to cover up some sordid secrets. But no one has been definitively proven to be him.
It's not straightforward to determine. Maybe the author intended it to be based on truth, or it could just be a product of pure imagination. Without more context, it's tough to tell.
As the name implies, Jack is likely the central character in this love story within Fallout New Vegas. But without more details, it's difficult to say exactly who he is. He could be a new character introduced in a particular mod or an overlooked character from the base game.
The character of Roscoe Conklin is also well - liked. She is from a small town that Reacher gets involved with. She is strong - willed and her interactions with Reacher add an interesting dynamic to the story.
Finding fanfiction for such a specific topic can be a challenge. First, you need to consider the origin of these names. If they are from a book, movie, or game, then that's the first place to look for related fanfiction. But if they are original creations, it might be that only a very small group of people are writing about them. Another option is to use social media platforms to ask fans of similar genres if they know of any 'helen and dash lemon jack jack cave' fanfiction.
In such fanfiction, the relationship between Jack and the reader can be highly variable. It could start as a friendship where Jack is initially naive and the reader helps him understand the world around him. For example, the reader might introduce Jack to human customs and emotions.