oddball

n. one who is strange or peculiar, eccentric; unconventional person (Slang)

Oddball, Oddballs, or Odd Ball may refer to: In fiction:Odd Ball, character that appeared in the first edition of the British comic Whizzer and Chips.Odd Ball, clone commander in Star Wars Episode III: Revenge of the Sith.Oddball, eccentric tank commander played by Donald Sutherland in the movie Kelly's Heroes.
See more at Wikipedia.org...

Noun
1. a person with an unusual or odd personality
(synonym) eccentric, eccentric person, flake, geek
(hypernym) anomaly, unusual person
(hyponym) crackpot, crank, nut, nut case, nutcase, fruitcake, screwball

a person who doesn`t act like everyone else He is an oddball and nobody at his company likes to work with him.

Synonyms and related words:
abnormal, absurd, alien, anomalous, anomaly, bizarre, black sheep, blemish, case, character, crackpot, crank, crankish, cranky, crosspatch, crotchety, curious, deviant, deviative, different, divergent, dotty, duck, eccentric, erratic, exceptional, fanatic, fey, flake, flaky, foreign body, foreign intruder, freak, freaked out, freakish, freaky, funny, hermit, hobo, idiocratic, idiosyncratic, impurity, individualist, inner-directed person, intruder, irregular, kinky, kook, kooky, lone wolf, loner, maggoty, maverick, meshuggenah, misfit, monkey wrench, mote, natural, naysayer, nonconformist, nut, nutty, odd, odd fellow, oddity, off, off the wall, original, out, outlandish, outsider, pariah, passing strange, peculiar, quaint, queer, queer duck, queer fish, queer specimen, quirky, quiz, rara avis, recluse, screwball, screwy, singular, sliver, solitary, speck, splinter, spook, sport, stone, strange, strange duck, tramp, twisted, type, unconventional, unearthly, unnatural, wacky, weed, weird, weirdo, whimsical, wondrous strange, zealot, zombie