It's difficult to say exactly who the main characters are without reading the 'earth's core light novel'. However, it's common in such novels to have a diverse group of characters. There could be a young and curious protagonist who is the driving force behind the expedition to the core. Alongside them, there might be an experienced mentor figure, and perhaps a character with a special ability or power that becomes crucial during their adventure in the core.
I don't know specifically since I haven't read this light novel. But typically, there would be the dungeon master as a main character. There might also be some important adventurers who are either friends or foes of the dungeon master.
The main character is, of course, the human who has been reincarnated as a dungeon core. Their past life experiences as a human shape their actions and decisions as a dungeon. There may also be some key adventurers who are constantly trying to raid the dungeon. They are sort of the antagonists from the dungeon core's perspective, but they also have their own backstories and motives.
One interesting aspect could be the unique setting. The Earth's core is a mysterious and extreme place, so the novel might explore fantastical creatures or phenomena that could exist there. Another aspect could be the characters' journey. Maybe they are on a mission to discover something in the core, which would lead to exciting adventures.
The Legend of the Earth's Core movie referred to a movie with the core of the earth as its theme. There were a few movies related to the legend of the earth's core. Among them," The Adventures of the Earth's Core " was a 3D movie released in 2008. It was based on Jules Verne's novel and told the story of the protagonists finding the legendary Earth's Core world according to the clues in the novel. The movie was famous for its mysterious underground world and 3D technology. In addition," Adventures at the Center of the Earth 2: Mysterious Island " was a sequel, which told the story of the main characters tracking a mysterious island. Other than that, the other search results did not mention any movies related to the legend of the earth's core. Therefore, Adventures to the Earth's Core and Adventures to the Earth's Core 2: Mysterious Island were movies related to the legend of the Earth's Core.
I don't know as I haven't read it, but it could be the god of sky and earth themselves as the main character, perhaps with some supporting characters like other deities, prophets, or humans who play important roles in the story.
I don't know since I haven't read the novel. But it could be a young hero who is chosen for this 1000 - year training.
Since there is no information about the 'ark earth online light novel' at hand, we can only guess. Maybe there is a hero - like character who starts off as an ordinary person but discovers their hidden potential in the Ark Earth online world. There could be a sidekick character who provides comic relief and support. And there may be an antagonist, a powerful figure in the online world who tries to disrupt the harmony or stop the protagonist from achieving their goals.
There were novels similar to "A Strange Journey to the Earth's Core" 1: The Three Kingdoms Begins with Zhang Fei, Author: Long Xiang Feng Zhu 2:"Daily Entertainment: A Glimpse of Light and Shadow." Author: Xi Xi Yan Qing 3:"People Encounter Snow on the Road", Author: So Ci Nian 4. Yunhua Yao Ji, Author: Qi Zong 5."After I Devoted myself to Criticize the Supervisor, I Have a Baby." Author: Xiaolou Girl 1 The following is a detailed introduction of these novels: 1."The Three Kingdoms Begins from Fooling Zhang Fei": Chen Su traveled to the Later Han Dynasty and became the son of Chen Deng, the leader of Xuzhou scholars. Liu Bei was leading his troops outside, and Zhang Fei was reckless and careless. Seeing that Xuzhou was about to be stolen, what should he do? Of course, he had to fool Zhang Fei and defend Xu Prefecture first… 2."Japanese Entertainment: A Glimpse of Light": Come to Yuewen's website to read more of my works! 3."A stranger meets snow": Ten years ago, he was framed and fell off a cliff. He was rescued by the leader of the Qingcheng Sect and became the first disciple of the Qingcheng Sect. Ten years later, he returned to his old place but forgot everything. Because of a small sword spirit, many grudges were involved. How should he choose between love and responsibility? 4.<<Yunhua Yao Ji>> I am a demon exorcist that is not very popular. However, his ability was not weak. Just when I thought that I was going to spend my life calmly slaying demons. I lost my blade. A demon slayer losing his blade is no different from losing his life, but I found another blade. This saber had a human-shaped saber spirit. The following is the story of how I brought the idiotic demon servant and the human-shaped saber spirit with facial paralysis (crossed out) around the world to eliminate demons. Why did he have to exterminate demons? It was not a matter of national hatred. It was purely a matter of profession. This book does not cultivate immortality. 5:"After I Convicted myself and Criticized the Supervisor, I Had a Baby": A court official under one person VS a delicate beauty who hid all her secrets Feng Xiao 'er had married the most treacherous official of the current dynasty. She had been scheming step by step, but he had seen through her every step. She was originally a top-notch assassin in the martial arts world. For the sake of information, she served tea and water to the superintendent, massaging his shoulders and legs. She was pitiful and humble. After gaining the eunuch's trust, she began to put her arms around the eunuch's shoulders and wanted to be good sisters with him. One night, Xiao Qi pressed her against the corner of the wall and said evilly. "Woman, submit to our family. We will give you the power to be above everyone else." "Don't mess around." She hammered his chest with her small hand. He was even more disdainful. How could a eunuch take advantage of him? In the end, she wanted to cry but no tears came out of her eyes. You can read these novels on Qidian Chinese Network.
The Lizardmen were the giant lizards that appeared in the movie " The Center of the Earth 2: Mysterious Island." In this movie, the protagonists were attacked by these giant lizards when they explored a mysterious island. However, other than the description of the movie, I can't provide any more information about the lizardmen in the underground adventure.
I don't know for sure, but I would assume that the character who returns to earth in the girl's body is a central character. There might also be friends or family members of the girl in the story. They could play important roles in helping the main character adjust to their new situation or in uncovering the mystery behind the body - swapping.