" Twenty Thousand Miles Under the Sea " was a science fiction novel by France's Verne. It mainly told the story of him being trapped in a submarine to explore the Amazon basin. The following are the main characters in the novel: Captain Nemo: The captain of the submarine is a brave, intelligent, and adventurous scientist. 2. Morris Blanchot: A mechanic responsible for manufacturing the various mechanical parts of the submarine. 3 Jerome Landau: A biologist who studies the biological species of the Amazon basin. 4 Annie Liz: A female explorer who was once a diver but later lost her identity as a diver. 5 De Weir: A pirate who was an ally of Captain Nemo and later became the employer of Maurice Blanchot. 6 Besser: A scuba diver and companion of Captain Nemo later escaped the submarine with Morris Blanchot. The above characters are the main characters in the novel. In addition, there are also local residents of the Amazon basin and various other characters.