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During their voyages , Volsius reappears in the guise of various heroes from Verne 's novels : Otto Lidenbrock at the center of the earth , Captain Nemo on a journey on the Nautilus to Atlantis , and Michel Ardan on a projectile trip to the distant planet Altor .
 Verne
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Verne