What is the author's style in The Invalid's Story by Mark Twain?

Humor is the main stylistic element that Twain uses in the story. The humor in "The Invalid's Story" manifests itself in two forms, contradictory language and actions, both of which are made ludicrous by the reader's knowledge of the gunbox and cheese. With this knowledge, the reader witnesses two men who fight valiantly against a dairy product—a funny, odd situation. Without this knowledge the reader would believe that the two men are really dealing with a corpse, and the story would not be funny; instead, it would be sad or morbid.