In a typical 'ice queen story', the ice queen is obviously a main character. There could be a young adventurer, perhaps a peasant boy with a kind heart, who decides to face the ice queen. And there may be some magical creatures in her ice - covered realm, like ice - wolves or snow - sprites, that also play important roles in the story.
The main character is, of course, the Ice Queen herself. She is the central figure with her ice - based powers.
The main character is usually the ice queen herself. There's often also a hero or heroine who goes against the ice queen. For example, it could be a young girl with a brave heart.
Typically, the Ice Queen herself is a main character. And there is often a brave hero or heroine who tries to oppose her or rescue someone from her clutches. There might also be some side characters like the people in the villages affected by the Ice Queen's actions.
One could be the 'ice queen' herself, a strong - willed and cold - hearted female character. And then there could be a male lead, a gentle and persistent man who tries to break through her coldness.
The main character is of course the Ice Queen herself. She is often the central figure with her icy powers and cold demeanor. Another character could be a little animal like a snow rabbit or a reindeer that might interact with her. Sometimes, there could also be a brave human character, like a young adventurer or a lost child who stumbles into her frozen world.
There could also be side characters like the dragon master's trusty dragon sidekick. This dragon might have unique abilities that help the dragon master in his adventures against the ice queen. And on the ice queen's side, she might have some ice golems or frost spirits that serve her.
The Ice Queen is obviously one of the main characters. She is the powerful and cold figure in the story. Then there are usually the heroes of the story, often children. They are the ones who oppose the Ice Queen's cold rule or try to make her change.
Since I haven't read the novel, I can't say for sure. But likely the ice queen is one of the main characters.
I don't know as the 'ice fantasy story' is not clearly defined. But it could have a brave ice - mage as a main character.
Since I don't know the exact 'black ice story', it's difficult to say. It could be a story about a lone traveler who encounters black ice during a journey. So the main character would be that traveler.