Sancho is a character from the classic novel Don Quixote, written by Miguel de Cervantes. He serves as the loyal squire to the main character, Don Quixote, and provides a practical perspective to Quixote's idealistic adventures. Sancho is known for his humorous and down-to-earth personality, often contrasting with Quixote's lofty dreams of chivalry. Throughout the story, Sancho accompanies Quixote on various quests, offering wisdom and comic relief. His character represents the common man, navigating the absurdities of life alongside his delusional master. Sancho's loyalty and friendship are central themes in the narrative, highlighting the bond between the two characters.