cantankerous, curmudgeonly, crotchety, gruff, ornery, avuncular, cranky, garrulous, genial, eccentric, grumpy, affable, acerbic, pugnacious, taciturn, grouchy, surly, bon vivant, truculent, amiable, crusty, voluble, pompous, feisty, crabby, choleric, lovable, loquacious, brusque, brusk, owlish, hotheaded, droll, erudite, rotund, brash, imperious, bumptious, unflappable, gregarious, oafish, old codger, wily, misanthropic, abrasive, excitable, boorish, blustering, snappish, buffoonish, imperturbable, impish, prickly, splenetic, skirt chaser, domineering, obstreperous, jowly, priggish, humorless, temperamental, doltish, iconoclastic, bibulous, dyspeptic, charismatic, laconic, opinionated, irrepressible, flamboyant, orotund, combative, runyonesque, haughty, roguish, headstrong, incorrigible, pigheaded, egotistical, falstaffian, jovial, flinty, urbane, clubbable, enigmatic, overbearing, octogenarian, raffish, foulmouthed, waspish, jocular, redoubtable, mischievous, mercurial, loudmouthed, dotty, querulous, rumpled, bewhiskered, arrogant, incommunicative, bombastic, reticent, reclusive, morose, irate, distraught, easygoing, kindhearted, bespectacled, ebullient, harassed, irritable

curmudgeon

angry, choleric, hot-tempered, hotheaded, ill-natured, quick-tempered, short, short-tempered