Sancho is most likely a reference to "Sancho Panza," a character from Miguel de Cervantes' novel "Don Quixote." However, without additional context, it's unclear which specific "Sancho" you are referring to.
If you are referring to a specific story, game, or media that features characters named Sancho, please provide more context or details for a more accurate description.
In general, when given the three options you've presented, I would need further context about any specific work or narrative to accurately identify which of the three you are referring to.