Well, typically there is a female character who represents the 'maiden'. There might also be a character who embodies death in some form, perhaps a more shadowy or menacing figure. But it really depends on the specific interpretation of the novel.
In the 'Death and the Maiden' original story, the two key characters are, of course, Death and the Maiden. Death is often depicted as a menacing, skeletal figure or a dark, shadowy presence. The Maiden is a young, vulnerable female. Their interaction forms the core of the story, with the Maiden being faced with the inescapable reality of Death, which is a very powerful and common theme in many different cultural and artistic expressions.
One of the main themes in 'Death and the Maiden' could be justice. It might show a woman seeking justice in the face of something that is related to death or a threat that she has endured. Maybe she has been wronged in a way that is tied to mortality and she is fighting to set things right.
The main characters could include the maiden herself, who is likely at the center of the story. There may be a male lead who falls in love with her and helps her on her adventures. And then there could be some antagonists, like an evil sorcerer who wants to use the power of the needles for his own dark purposes and sees the maiden as an obstacle.
In the 'the star maiden story', the star maiden is likely the central character. There could be other characters depending on the nature of the story. If it's a love story, there might be a male character from a different planet or realm who becomes her love interest. Or if it's an adventure story, there could be a group of companions who accompany her on her journey, like a brave little star creature and an old sage with knowledge of the stars.
Since I don't know the exact 'star maiden story', it's hard to say. But it might include the star maiden herself as a main character.
The snow maiden herself is a main character. There may also be the people who discover or interact with her, like a kind old man or a group of curious children.
In many Sorcerer Maiden light novels, there are often other important characters aside from the main sorcerer maiden. There could be a group of friends or fellow apprentices. For example, a brave and loyal male friend who is not as magically gifted but is excellent in combat skills, and he helps the sorcerer maiden in her adventures. Another character could be a rival sorcerer maiden, with different views on magic, which creates tension and conflict in the story.
The main characters are the swan maiden herself and the man. The swan maiden is a magical being who can transform between a swan and a human. The man is usually a mortal who gets involved with the swan maiden, often by taking her means of transformation.
The main elements are Death, the Maiden, and the relationship between them. Death is often shown as an all - consuming force. The Maiden, on the other hand, is full of life. In some stories, there may be a setting that emphasizes the finality of death, like a dark forest or a desolate battlefield. The Maiden's reaction to Death, whether it's defiance or acceptance, also shapes the story. This relationship can also be seen as a symbol of the cycle of life and death in nature and in human existence.
The Doctor is surely one of the main characters. He's the one who will be opposing the Daleks. And the Daleks themselves are main characters in a sense, as they are the source of the conflict. There might also be some companions of the Doctor who play important roles.