Nemo's creator (5)
I believe the answer is:
verne
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">nemo's creator</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for verne that I've seen before include "Science-fiction writer" , "Jules --, French author" , "See 14 Across" , "Jules --, French writer" , "French novelist" .)