I don't know for sure since I haven't read the novel. But usually, there would be the chaos alchemist as the main character. There might also be a mentor figure who teaches the alchemist the ropes, or a sidekick who accompanies the alchemist on their adventures.
Sadly, without reading the 'Chaos Alchemist' light novel, it's difficult to name the exact main characters. But it's common in such stories for there to be a central alchemist figure. There could be a love interest for the alchemist, which adds a romantic sub - plot to the story. There may also be a group of allies, like other adventurers or scholars, who join forces with the alchemist to face the challenges in the chaotic world. Maybe there's an old wise character who holds the key to some ancient alchemical secrets that the main character is trying to uncover.
Since I haven't delved into the 'Chaos Alchemist' light novel, I can only speculate. The main character is likely the chaos alchemist themselves. There could be an antagonist, perhaps another alchemist who has different views on alchemy and is causing trouble in the chaotic world. And there may be some supporting characters like a local merchant who provides the alchemist with rare ingredients, or a magical creature that the alchemist befriends and that helps them in some way.
The main character is the one who gets reincarnated as an alchemist. His name might vary depending on the specific version, but he's the central figure. There are also often his mentors or teachers in the world of alchemy. They play important roles in guiding him on his journey to master alchemy. And then there are his friends or comrades he meets along the way, who join him in his adventures and challenges.
The main character is, of course, the peerless alchemist himself. His name might vary depending on the specific translation, but he is the central figure driving the story forward with his alchemical skills and adventures.
I'm not sure as I haven't read it, but it's likely that the first alchemist is a main character. There could also be a mentor figure who guides the alchemist in the early days of their journey, and perhaps an antagonist who tries to stop the alchemist from achieving their goals.
I'm not sure specifically as I haven't read it fully. But generally, it might be about an alchemist in a chaotic world. Maybe it involves the alchemist's adventures in a world filled with magic, mystery and turmoil while they use their alchemical skills to survive and make their mark.
The main character is surely the last surviving alchemist. There may also be some side characters like his friends or foes. His friends could be those who support him in his journey, perhaps other scholars or people who believe in the power of alchemy. His foes might be those who want to use his knowledge for evil or those who oppose alchemy altogether.
There might be some rivals or fellow novice alchemists. They could compete with the main novice alchemist, which adds some tension and drama to the story. Their different personalities and approaches to alchemy would make the interactions interesting.
I'm not entirely sure as it depends on the specific plot of the 'Chaos Legion' light novel. But usually, there would be a hero or a group of heroes who are pitted against the Chaos Legion. There might also be some sort of leader within the Chaos Legion itself who is a main character in terms of the antagonist side.
I'm not entirely sure, but usually there would be a protagonist who has some sort of connection to the chaos dragon, either trying to tame it or stop it.
Edward Elric is a very popular character. His determination and his journey in the world of alchemy, despite his physical losses, make him a memorable and beloved character.
I'm not sure exactly who the main characters are without more information. But typically in an alchemist - themed visual novel, there could be an alchemist protagonist.