Fritz Weissberg is a character in Atelier Sophie: The Alchemist of the Mysterious Book. Fritz is a travelling puppeteer who was formerly a mercenary. Through travelling for his former profession he came in contact with puppet shows and developed a great passion for dolls. His dream is to perform the best puppet show together with his daughter Drossel Weissberg, who shares his passion. During his travels he got separated from his daughter, but he believes that she will be fine on her own and doesn't worry too much about it.