Obviously, the girl from Petrovka is a main character. There may be some authority figures in the story, like a local mayor or a priest. Her neighbors might also be important characters as they interact with her on a daily basis. And there could be a character who represents the outside world, coming into Petrovka and affecting the girl's life in some way.
The 'The Girl from Petrovka' is a complex story. It typically involves the story of a girl from the area of Petrovka. It might include her daily life, her dreams, her relationships and the social environment she is in. However, without reading it thoroughly, it's hard to detail all the aspects of the plot.
In 'the girl from berlin novel', the main characters could include not only the girl but also those who influence her life. There could be a strict teacher who challenges her to strive for more in her studies or personal growth. There might be a neighbor who has a big impact on her view of the community in Berlin. And perhaps there are some antagonists as well, people who create difficulties for her, whether it's out of jealousy or for other reasons.
I'm not certain as I haven't read it, but I assume the girl from the sea is a main character for sure.
I'm not sure exactly, but surely the girl from the sea is one of the main characters. There might be some characters from the land who interact with her as well.
Obviously, the girl from the whirlpool is the main character. There may also be a mentor figure, like an old wise person who has some knowledge about the whirlpool and can guide the girl on her journey.
The main characters are the girl and the being from the other side.
There could be a wise old man who acts as a guide for the girl. He might have been in the puzzle world for a long time and knows many of its secrets. He gives the girl hints on how to solve the more difficult puzzles.
I'm not entirely sure without more information. But I assume the girl from Plainville herself is a main character. There may also be family members, friends, or people involved in the events that led to the story becoming well - known.
In 'the girl from the sea', the girl herself is surely a main character. There might also be a male character who she has some sort of relationship with.
I'm not sure as I haven't read it. Maybe the Italian girl herself is a main character.