rascal
bad egg (old-fashioned informal) blackguard, caitiff (archaic) devil, disgrace, good-for-nothing, imp, knave (archaic) miscreant, ne'er-do-well, pickle (Brit. informal) rake, rapscallion, reprobate, rogue, scally (Northwest English dialect) scallywag (informal) scamp, scoundrel, varmint (informal) villain, wastrel, wretch