oddball (n.)
- absurd
 - alien
 - anomaly
 - blemish
 - case
 - character
 - crackpot
 - crank
 - crosspatch
 - deviant
 - duck
 - eccentric
 - fanatic
 - fey
 - flake
 - freak
 - funny
 - hermit
 - hobo
 - impurity
 - individualist
 - intruder
 - irregular
 - kook
 - loner
 - maverick
 - misfit
 - mote
 - natural
 - naysayer
 - nonconformist
 - nut
 - odd
 - oddity
 - off
 - original
 - out
 - outsider
 - pariah
 - queer
 - quiz
 - recluse
 - screwball
 - singular
 - sliver
 - solitary
 - speck
 - splinter
 - spook
 - sport
 - stone
 - tramp
 - type
 - weed
 - weird
 - weirdo
 - zealot
 - zombie