Zampanò is a fictional character from the novel "House of Leaves" by Mark Z. Danielewski. He is an enigmatic blind man who creates a complex and unsettling film analysis of a documentary titled The Navidson Record. His writings are filled with footnotes, references, and a unique structure that challenges traditional storytelling. The character's work is discovered by Johnny Truant, who becomes obsessed with Zampanò's manuscript. As Johnny delves deeper into the text, he experiences psychological turmoil, reflecting the themes of obsession and the nature of reality. Zampanò's character serves as a catalyst for exploring these intricate ideas within the novel.