Since I don't know the details of the 'free sister story', it's difficult to say who the main characters are. But surely the sister herself is a main character. There might also be family members like her parents or siblings who play important roles in the story.
I can't really tell for sure. However, given the title 'free sister story', the sister is bound to be a key character. There could also be friends or antagonists in the story. For example, if the sister is fighting against a social norm, those who uphold the norm could be antagonists, while her friends who support her could also be important characters.
Given the lack of information about the 'free will story', the main characters could be anyone. It might be a young person coming of age and trying to assert their free will against the wishes of their parents. Or it could be a hero in a fantasy world who has to decide whether to use their free will to save the world or pursue their own desires. There could also be a mentor - like character who helps guide others in understanding and using their free will in a positive way.
Well, since it's called the'stronger little sister story', the little sister is surely one of the main characters. Maybe there's an antagonist, perhaps a bully or someone who challenges her strength. And there could be a mentor figure as well, someone who helps the little sister understand and develop her strength, like an old wise neighbor or a kind teacher.
Obviously, the main characters are the brother and the sister. But there could also be other minor characters like their pet dog that might be involved in their secret somehow.
The main characters in the Free Willy story are Jesse and Willy. Jesse is a boy who is likely to be feeling a bit lost in his own life. He stumbles upon Willy, a killer whale living in captivity at an amusement park. Their encounter changes both of their lives. Jesse becomes determined to free Willy, seeing the whale's longing for freedom. Willy, on the other hand, is a large and intelligent creature who is being held against his will. Their connection and the story of their struggle for Willy's freedom are what make up the core of the Free Willy story.
In the 'free toomics story', the main characters might be a combination of different entities. There could be the artists and writers who create the stories that end up being part of the free selection. Their creativity and hard work are what make the free content possible. Then there are the users, who are like the protagonists from the perspective of the user - experience side. They explore the free stories, share their thoughts, and might even recommend the free Toomics content to others. And of course, there could be some behind - the - scenes characters within the Toomics company who are involved in the decision - making process regarding the free content, like editors who select which stories are worthy of being free and marketing people who figure out how to attract users to the free offerings.
I'm not sure specifically who the main characters are without more context. It could be the radio DJs who work for the free radio.
There could be the farmer as a main character. He or she might be the one making decisions about the 'free' aspect of the farm, like whether to offer free produce or free access.
Maybe there are some animal - loving heroes in the 'free the birdies story'. It could be a group of friends who discover the trapped birds together. One of them might be really brave and take the lead in the mission to free the birdies. There could also be an older person, like a wise grandfather who gives advice on how to take care of the birds once they are free.
I don't have enough information to determine the main characters in 'free blue story' as it's not a well - known story to me.
Since I don't know the details of the 'free fall 2014 story', I can't say for sure who the main characters are. It could be an individual who is experiencing the free fall, like a skydiver named John or a scientist named Dr. Smith if it's related to a scientific study.