Synonyms of scallywag

1 Syllable
cheat, fraud, liar, sneak, scamp
2 Syllables
scoundrel, rogue, swindler, knave, ruffian, villain, trickster, rowdy, shyster, prankster, cheater
3 Syllables
delinquent, rapscallion, scalawag, hooligan
4 Syllables
troublemaker, whippersnapper, mischief-maker, reprobate