#critic.unpleasant_person  someone who frequently finds fault or makes harsh and unfair judgments
  supertype:  unpleasant_person__disagreeable_person  a person who is not pleasant or agreeable
  subtype:  carper__niggler  someone who constantly criticizes in a petty way
  subtype:  nitpicker  someone who makes small and unjustified criticisms
  subtype:  roaster.critic  a harsh or humorous critic (sometimes intended as a facetious compliment); "the honoree gave his roasters as good as he got"

No statement uses or specializes critic.unpleasant_person; click here to add one.