trickster

noun

1.
someone who plays practical jokes on others
cut-up hoaxer practical joker prankster tricker
Derived from:
trick
2.
someone who leads you to believe something that is not true
belirt bilk flearder shirk beguiler cheat cheater deceiver slicker
Derived from:
trick
3.
a mischievous supernatural being found in the folklore of many primitive people; sometimes distinguished by prodigious biological drives and exaggerated bodily parts