Synonyms of schmo

1 Syllable
twit, dolt, twerp, boob, dope, loon, ass, clown, clod, bore, jerk, nerd, oaf, sap
2 Syllables
blockhead, tomfool, silly, dimwit, birdbrain, cretin, turkey, mooncalf, numskull, fathead, lightweight, simple, halfwit, victim, stooge, dunce, idiot, ninny, buffoon, goose, sucker, schlemiel, softhead, jackass, moron, nitwit
3 Syllables
bonehead, innocent, simpleton, dunderhead, nincompoop, lamebrain
4 Syllables
ignoramus, imbecile
5 Syllables
illiterate