noun (n)

• someone who plays practical jokes on others(noun.person)

  Synonym:
  cut-up, hoaxer, practical joker, prankster, tricker
  

  source: wordnet30
• someone who leads you to believe something that is not true(noun.person)

  Synonym:
  beguiler, cheat, cheater, deceiver, slicker
  

  source: wordnet30
• a mischievous supernatural being found in the folklore of many primitive people; sometimes distinguished by prodigious biological drives and exaggerated bodily parts(noun.person)

  source: wordnet30
• One who tricks; a deceiver; a tricker; a cheat.(noun)

  source: webster1913