He is a ten-year-old boy, curious, dreamy and highly imaginative.

In seinem Buch „El ángel literario“, erwähnt Eduardo Halfon, während eines Treffens mit dem Autor Andrés Trapiello in Madrid zum ersten Mal den geheimnisvollen polnischen Boxer.

In his book, El ángel literario, a meeting held in Madrid with the writer Andrés Trapiello, serves as the backdrop for Eduardo Halfon to narrate the beginnings of the story of a mysterious Polish boxer.