Cthulhu's Librarian
Well, the first word is a difficult one. According to HP Lovecraft:
"The actual sound - as nearly as human organs could imitate it or human letters record it - may be taken as something like Khlul'-hloo, with the first syllable pronounced gutturally and very thickly."
or
"The best approximation one can make is to grunt, bark, or cough the imperfectly formed syllables Cluh-Luh with the tip of the tongue firmly affixed to the roof of the mouth. That is, if one is a human being. Directions for other entities are naturally different."
I prefer kuh-THOOL-hoo, just because it's easier, and he won't hear me.
So... kuh-THOOL-hoo-s li-brar-i-an