This paper surveys the grotesque as a main genre in American Literature which is mostly connected with satire. It defines the grotesque from the gothic to the textual analysis of the collection of short stories in Everything That Rises Must Converge (1965) as a short fiction by Flannery O’Connor, the twentieth century American writer. He has created great tragi-comedy fictions in Southern Gothic. This paper also tries to place O’Connor’s fiction as a great example of the demonic grotesque within the framework of the American gothic. Totally, this paper studies this book on the characteristics which depict the demonic grotesque.