practical joker

from WordNet (r) 3.0 (2006)

practical joker
    n 1: someone who plays practical jokes on others [syn:
         {prankster}, {cut-up}, {trickster}, {tricker}, {hoaxer},
         {practical joker}]

from Moby Thesaurus II by Grady Ward, 1.0

75 Moby Thesaurus words for "practical joker":
      Artful Dodger, Casanova, Don Juan, Machiavel, Machiavelli,
      Machiavellian, actor, bad boy, bamboozler, befuddler, beguiler,
      booger, buffoon, bugger, charmer, counterfeiter, cutup, deceiver,
      deluder, devil, dissembler, dissimulator, dodger, double-dealer,
      duper, elf, enchanter, enfant terrible, entrancer, faker, fooler,
      forger, funmaker, gay deceiver, hoaxer, hood, hoodlum, hooligan,
      hypnotizer, imp, jilt, jilter, joker, jokester, kidder, knave,
      leg-puller, little devil, little monkey, little rascal, mesmerizer,
      minx, mischief, mischief-maker, misleader, pixie, plagiarist,
      plagiarizer, playactor, prankster, puck, ragger, rapscallion,
      rascal, rogue, role-player, rowdy, ruffian, scamp, scapegrace,
      seducer, spoofer, tease, teaser, wag