troublemaker

agitator bad news bad boy bear beggar bhoy blackguard booger boot boy bovver boy brat brawler breedbate buffoon bully cutup charva devil elf enfant terrible firebrand gadfly hell-raiser hood hoodlum hool hoolie hooligan hothead imp inciter initiator instigator jackanapes joker jokester kindle-coal kindle-fire knave lout makebate minx mischief mischief-maker miscreant ne'er-do-well pixie practical joker pot stirrer prankster puck punk rabble rouser rakeshame rantipole rapscallion rascal rogue roly-poly rowdy ruffian scamp scapegrace scoundrel tearaway thug titivil tough vandal undesirable wag wagpastie wrangler yob yobbo