The answer is simple: everyone. It is important to remember that toys have no gender, and that boys and girls are invited to play with dolls. Although it is traditionally known as a feminine toy, there is no problem if boys want to play with it, after all, the goal is to have fun.
If it is of interest to your children, there are also dolls in the male human figure, and these are also an excellent way to entertain the kids. There are the common dolls, as well as superheroes and movie characters. They also come into play and can be used by girls and boys, without distinction.