Tantalus, Tityos, and Sisyphus are in Tartarus. It was a place for punishing those who have sinned gravely, and those three certainly were sinners in the eyes of Greek Gods.
Stephen Blackpool is a worker that works in Josiah Bounderby’s factory. Because of that, they have a contrast, Blackpool is a poor worker that fights to recover his name after he is falsely accused of robbery. On the other hand, Bounderby is the owner of the factory, he lives for wealth and self-interest. These two characters show the relationship between rich and poor and represent the society we live in. And the fight between factory owners and workers unions.
Henry Fleming is a character in a book titled "The Red Badge of Courage" by Stephen Crane where he was mainly described as the main protagonist, the Youth. He started off as a young, naive soldier who wants to join the military without thinking seriously about it until his character grows into accepting his cowardice and selfishness and eventually comes out to be one of the bravest soldiers.