Zlatko Grgić was a Croatian animator, director, and screenwriter, renowned for his contributions to animated film. Hen the Zagreb School of Animated Films and co-created the beloved animated series Professor Balthazar (1967–1978), which gained international acclaim. Grgić also directed Muzikalno prase (The Musical Pig, 1965), which won the Palme d'Or for Best Short Film at the Cannes Film Festival. His innovative animation style and storytelling have left a lasting legacy in the world of animation.