You could describe them as a 'weak story spinner'. This implies that they have trouble coming up with interesting or well-structured tales.
Well, we might refer to them as a 'poor narrator' because they don't do a good job of telling stories. Maybe they lack creativity or fail to engage the audience.
Such a person could be called a 'windbag' or a 'rambler'.
A person who tells the ending of a story can be called a spoiler. Because they often reveal the end before others have a chance to fully experience the story.
Often, they lack an awareness of their audience. They don't consider how their gloomy tales might affect others. They just want to share their own negative experiences without thinking about the impact on the listeners.
We call a person that writes stories a writer. Writers are very important in our society. They can create fictional worlds full of magic and adventure, or they can write about real - life events and people. Their stories can make us laugh, cry, or think deeply about different things.
We call such a person a storyteller who exaggerates or a fabulist.
Such a person could be termed an 'exaggerator'. They tend to embellish and inflate details beyond what actually happened.
We can simply walk away when a person tells bad stories. It's the easiest way to avoid being influenced by their negative tales.
A good storyteller is imaginative. They can create unique and interesting scenarios in their stories. For instance, they can make up a whole new world like Tolkien did with Middle - earth in 'The Lord of the Rings'.
A person who tells stories may possess a wide range of qualities. For one thing, they might be observant. By observing the world around them, they can gather inspiration for their stories, whether it's from people's behaviors, nature, or cultural phenomena. They are also good at using language in an interesting way. They know how to choose the right words to build suspense, create humor, or evoke emotions. In addition, they often have a passion for sharing, as they get joy from seeing others enjoy their stories.
A person who tells stories is often creative and has a good imagination. They can make up interesting plots and characters.