Harlequin

Webster's Dictionary of the English Language

·vt Toremove or conjure away, as by a harlequin's trick.

II. Harlequin ·n.i. To play the droll; to make sport by playing ludicrous tricks.

III. Harlequin ·noun A buffoon, dressed in party-colored clothes, who plays tricks, often without speaking, to divert the bystanders or an audience; a merry-andrew; originally, a droll rogue of Italian comedy.