novel-length work of humorous fiction
A comic novel is a novel-length work of humorous fiction. Many well-known authors have written comic novels, including P. G. Wodehouse, Henry Fielding, Mark Twain, and John Kennedy Toole. Comic novels are often defined by the author's literary choice to make the thrust of the work - in its narration or plot - funny or satirical in orientation, regardless of the putative seriousness of the topics addressed.
Read more or edit on Wikipedia