SATIRE: an artistic form, chiefly literary and dramatic, in which human or individual vices, follies, abuses, or shortcomings are criticized by means of ridicule, derision, irony, parody, caricature, or other methods, sometimes with an intent to inspire social reform
PARODY: a literary or musical work in which the style of an author or work is closely imitated for comic effect or in ridicule
PASTICHE: a literary, artistic, musical, or architectural work that imitates the style of previous work