Well, in 'larry the scary story', Larry might be a character that is central to the horror elements. Maybe he is a victim, or perhaps he is the source of the scariness. For example, he could be a haunted figure or someone who has stumbled upon a dark secret, which then leads to all the terrifying events in the story.
I don't know who Ken is specifically. The story he is telling could be about his personal experiences, like a trip he took, or it could be a fictional story he made up, perhaps a fantasy adventure with magical creatures.
Larry could be a relatable character in the story. He might be an ordinary person with ordinary dreams, but his need for a friend is what sets the story in motion. Maybe he has a kind heart and is just waiting for someone to notice him and become his friend. He could be of any age, but the common thread is his longing for friendship.
Since we don't have much information given, Larry in '600 lb life larry's story' is presumably an individual who has reached a weight of 600 lbs. He might be from anywhere, with different life circumstances that led to his extreme weight. He's on this show to document his journey of transformation. It could be that he has faced discrimination or has been unable to do things he loves because of his weight. His identity as Larry is tied to his story of facing the challenges of obesity and trying to overcome them with the help of the resources provided by the '600 lb life' program.
In the Clark Fredericks Story, Clark Fredericks could be a multi - faceted individual. He could be an adventurer who has explored different parts of the world and the story could revolve around his adventures, the places he has visited, the people he has met, and the lessons he has learned from his travels. He might also be a social activist, fighting for the rights of a certain group, and the story would document his efforts, the obstacles he faced, and the changes he brought about.
Ron Clark is an educator in the 'ron clark story'. He is a person who is dedicated to improving the educational experience of his students. He is known for his creative and effective teaching strategies.
I'm not sure who Mr Ken specifically is in this story without more context. It could be a character created by an individual author, perhaps a local or personal story where Mr Ken is a neighbor, a friend or an acquaintance.