Captain Nemo is the hero of the novel, and his nationality is not stated in the book. His true identity is revealed in Mysterious Island: Captain Nemo is the prince of Dhaka, India, the son of Bande Bonder Kunde, and the Indian hero Tipo Sa? B)' s nephew [5].

Captain Nemo can speak at least four languages, namely French, English, German and Latin. No one can judge the merits and demerits of Captain Nemo's life. Captain Nemo is a romantic and mysterious figure. The knowledgeable engineer has a cool head and is calm and witty. He is not a scientist who can't stand the wind and rain in his study and greenhouse, but a national aspiration who grew up in the fire of anti-colonialism struggle. He collected gold and silver treasures at the bottom of the sea and supported the just struggle of the oppressed nations. When the motherland became a colony, he led a few like-minded people to dive into the seabed, and supported and awakened the oppressed people's struggle against colonial rule with rebellious actions and dissatisfied remarks. Verne condemned the brutal expansion of colonialists in the Indian subcontinent through Captain Nemo. Captain Nemo, written by Verne, is in the rising stage of capitalism and is a typical figure of humanism and democratic thought. Under the historical conditions at that time, he represented the interests of the emerging bourgeoisie. Through his personality, we can see the enterprising spirit of the bourgeois representative in the rising stage.