What is relationship between Haroun and butt the Hoopoe in Haroun and the sea of stories?

In "Haroun and the Sea of Stories," Haroun Khalifa develops a close friendship with Butt the Hoopoe, a magical bird who serves as his guide and companion. Butt is not only a source of wisdom and humor but also embodies themes of loyalty and freedom. Their relationship highlights Haroun's journey of self-discovery and the importance of storytelling, as Butt assists him in navigating the challenges of his quest to restore his father's lost storytelling abilities. Together, they illustrate the bonds of friendship and the transformative power of imagination.