Who is Bastian in 'The Neverending Story' and why does he yell?

In 'The Neverending Story', Bastian is a boy who enters the magical world of Fantasia through the book. He may yell because he is excited. As he embarks on this incredible adventure, filled with strange and wonderful things, his emotions run high and yelling could be an expression of his over - enthusiasm. Also, he might yell to call for help when he is in trouble.

Bastian is a key figure in the 'The Neverending Story'. His yells could signify his internal struggle. He is a lonely boy in the real world, and in Fantasia, he has to deal with his own insecurities as well as the external threats. The yells could be a manifestation of his emotional outbursts, whether it's anger at the unfairness of the situations he faces, or his determination to overcome the obstacles in his path.