Synonyms and related words :
agent provocateur, agitator, agitprop, bad boy, booger, buffoon, bugger, catalyst, cutup, demagogue, devil, elf, enfant terrible, exciter, firebrand, fomenter, funmaker, hood, hoodlum, hooligan, imp, incendiary, inciter, inflamer, instigator, joker, jokester, knave, little devil, little monkey, little rascal, minx, mischief, pixie, practical joker, prankster, provocateur, provoker, puck, rabble-rouser, rapscallion, rascal, ringleader, rogue, rouser, rowdy, ruffian, scamp, scapegrace, seditionary, seditionist, troublemaker, urger, wag