Synonyms and related words :
banana, burlesquer, caricaturist, clown, comedian, comic, cutup, epigrammatist, funnyman, gag writer, gagman, gagster, humorist, ironist, jester, joker, jokesmith, jokester, know-it-all, lampooner, madcap, parodist, prankster, punner, punster, quipster, reparteeist, satirist, smart, smarty, smarty-pants, wag, wagwit, wise guy, wiseacre, wisehead, wisenheimer, wit, witling, zany