Parody, like punning and cliché, resounds with readers because of aspects such as unique turns of phrase, irony and to be honest, being just too clever by half (characteristics of only the very best of the old stand-up comedians, too). The result is a very satisfying form of lexical humor. Check out this old book for some choice examples of parody:
Have you ever written a parody?
Tell us about it (or link to it), in the comment box.