Answer:

prankster

Answer	Crossword Clue
PRANKSTER	"Gotcha!" crier
PRANKSTER	One who revels in April Fools' Day
PRANKSTER	Cutup

PRANKSTER	Practical joker: Colloq.
PRANKSTER	Mischief maker.
PRANKSTER	Practical joker.
PRANKSTER	Joker.
PRANKSTER	Imp