who is axel and lidenbrock?

Axel is Professor Lidenbrock's nephew and assistant, Axel is the protagonist and narrator of the story. Axel lives with his uncle because his parents died when he was young; his uncle decided to take care of him in their stead. He loves working with Lidenbrock and learning about Earth and its minerals. When Lidenbrock decides to go to the center of the Earth, Axel tries to stop his uncle from embarking but eventually decides to take part in Lidenbrock's adventure. Throughout the narrative, Axel is pessimistic about the course of the trip, which he believes will end in his demise. He is somewhat naive, excitable, and anxious.

Lidenbrock is Axel's uncle and mentor, a man who works as a professor in geology and mineralogy. He is so famous that people come from around the world to attend his lectures. Professor Lidenbrock is hardworking and optimistic, never giving up on the journey to the center of the Earth. He is also stubborn, prideful, and single-minded in his endeavors. After the journey, he becomes even more renowned.