A Trickster

1. (mythology, literature) Any of numerous figures featuring in various mythologies and folk traditions, who use guile and secret knowledge to challenge authority and play tricks and pranks on others; any similar figure in literature. https://en.wikipedia.org/wiki/Trickster
2. One who plays tricks or pranks on others.
3. One who performs tricks (parts of a magician' act or entertaining difficult physical actions).
4. An impish or playful person.
5. A fraud (person who performs a trick for the purpose of unlawful gain).

Synonyms

• (one who plays tricks on others): prankster, tricker
• (one who performs tricks): tricker