The term 'CAPTAIN NEMO'S CREATOR' can be answered with two solutions: VERNE (5 letters) and JULESVERNE (10 letters). The correct answer is JULESVERNE, as it is the full name of the author. Jules Verne was a French novelist, poet, and playwright who is widely regarded as one of the most influential science fiction authors of all time. He is best known for his novels Twenty Thousand Leagues Under the Sea and Around the World in Eighty Days, both of which feature Captain Nemo as a major character.