deviant

unrepresentative

extraordinary, preternatural

rare, uncommon, uncustomary, unusual, unwonted

bizarre, curious, far-out, funny, kinky, odd, outlandish, out-of-the-way, outré, peculiar, quaint, queer, queerish, quirky, remarkable, screwy, strange, wacky (also whacky), way-out, weird, wild

eccentric, freakish, idiosyncratic, nonconformist, unconventional, unorthodox

extraordinary, preternatural

rare, uncommon, uncustomary, unusual, unwonted

odd, peculiar, strange

freethinker

character, codger, crackbrain, crackpot, crank, eccentric, freak, kook, nut, oddball, screwball, weirdo

eight ball, misfit, outsider

aberrant, anomaly