A practical and earthy peasant who becomes Don Quixote's loyal squire, often providing comic relief. His relationship with Don Quixote evolves from that of skepticism to deep friendship.

A local peasant woman whom Don Quixote imagines as a beautiful noble lady, serving as the idealized figure for his chivalric pursuits. She never physically appears in the novel.

A young scholar who becomes a significant adversary to Don Quixote, first trying to bring him home and later challenging him directly. His actions are driven by a mix of intellectual rivalry and personal pride.

The author and narrator of the novel, occasionally reflecting on the nature of storytelling and truth. His narrative style plays with the boundaries between fiction and reality.