The main characters would probably include the titular Dark Lord, who is likely a powerful and complex figure. Then there's the character whose goal is to tame him. This character could be a young and inexperienced person who grows throughout the story. There may also be antagonists who oppose the idea of taming the Dark Lord, either because they fear his power or have their own evil plans. Additionally, there could be characters from the Dark Lord's past, like former allies or enemies, that play a role in the taming process as their relationships and past events are uncovered.
I haven't read this novel specifically, but generally, it might be about a character's journey to subdue or change a powerful and perhaps malevolent 'Dark Lord'. Maybe it involves the use of magic, strategic thinking, and facing various challenges along the way.
In a 'the dark lord novel', the main characters could be the dark lord, who is the source of the conflict. There might be a young and inexperienced protagonist who discovers the threat of the dark lord and decides to fight against him. There could also be side characters like the dark lord's minions, who add to the complexity of the story. For instance, the minions could have their own motives and loyalties that are not always straightforward. And perhaps there is an old and wise mentor figure who guides the hero in the fight against the dark lord.
In the 'rise of the dark lord novel', the main character is likely to be the dark lord. However, there may also be characters like his minions or followers who play important roles in his rise. On the other side, there could be a wizard or a knight who tries to stop him, and they would also be main characters in the sense that they drive the plot in opposition to the dark lord.
Well, without knowing the exact 'Dark Lord Light Novel', we can only make general assumptions. The main character would be the dark lord, who might have a complex personality. There could be a female lead who is either an enemy trying to bring down the dark lord or a love interest that adds a different dimension to the story. And then there might be an old sage - like character who has knowledge about the dark lord's past and tries to guide the other characters in their fight against or alongside the dark lord.
Apart from the dark lord, there are often heroes in 'dark lord stories'. These heroes are brave and determined to stop the dark lord's evil plans. Sometimes there are also side characters like the dark lord's minions or wise old sages who give advice to the heroes.
Obviously, Naruto would be one of the main characters, just in his new 'dark lord' role. Sasuke could also be a major character, as his relationship with Naruto is so central in the original series. Their dynamic would likely be very different in this fanfiction, perhaps becoming more of an adversarial relationship.
Since I haven't delved into 'Taming Master Light Novel', I'm unable to name the main characters. However, in light novels, the main character often has some unique traits or abilities. There could be a main character in this novel who is an expert in taming or is on a journey to become one. And there may be other important characters around them, such as those who help or oppose the main character in their taming - related endeavors.
Since we don't have much information about this 'taming master web novel', it's difficult to say exactly who the main characters are. However, it's likely that the taming master is a central figure. There might also be antagonists who oppose the taming master's goals, like other tamers who are jealous or have different motives. And there could be some side characters such as the local villagers or merchants who interact with the taming master during their adventures.
Mr Black is obviously a main character in 'Taming Mr Black' novel. There could be other important characters like his family members who play a role in his life and might be related to the taming aspect. Maybe there is a mentor - like figure who tries to guide Mr Black in the right direction, or a rival who makes the taming process more difficult. Without reading the book, it's hard to be certain, but these are common types of characters that could be present.
Since I haven't read the novel, I can't say for sure. But typically, there would be the possessive girl herself and probably a male lead who has to deal with her possessiveness.