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This question already has an answer here:

  1. A person who says that everything in this life is not permanent / is a lie.
  2. A person who believes in things only after he has seen/experienced them.

marked as duplicate by anongoodnurse, choster, Ronan, Elian, Edwin Ashworth May 29 '14 at 15:54

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  • With respect to "everything in this life is not permanent / is a lie.", are you asking about a disbelief in the universe? – Third News May 29 '14 at 4:33
  • @ThirdNews yes a disbelief in the existence of the universe other than the sun, earth, moon. – Corleone May 29 '14 at 13:11
  • nulliverse (plural nulliverses) (philosophy) The world, regarded as having no rationality or rules. -Wikipedia – Third News May 29 '14 at 16:18
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I think you may be referring to:

1) a disbeliever

2)a skeptic, also a doubting Thomas.

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