teaser
teaser - noun
a worker who teases wool
someone given to teasing (as by mocking or stirring curiosity)
an advertisement that offers something free in order to arouse customers' interest
a particularly baffling problem that is said to have a correct solution
an attention-getting opening presented at the start of a television show
a flat at each side of the stage to prevent the audience from seeing into the wings
a device for teasing wool
teaser - thesaurus
annoyer
mystifier
puzzle
puzzler
tease
tormenter
tormentor
vexer