In the 'black beauty animated story', Black Beauty is the star. But there are other important characters too. His owners play a significant role. One might be an old gentleman who has a soft spot for Black Beauty and treats him like a family member. Another could be a greedy horse trader who just wants to make money off of Black Beauty. And there may be other horses in the story, some of which are his friends and some his rivals. These characters together create the complex world that Black Beauty has to navigate through in the story.
The central character is Black Beauty. Alongside him, there are likely to be his owners. For instance, there could be a young girl who loves him dearly and takes him on rides in the countryside. And then there might be a strict man who only cares about using Black Beauty for hard work. There could also be other horses and animals in the stables that Black Beauty interacts with, like an old mare that gives him advice or a friendly dog that keeps him company.