In the 1860s he illustrated a French edition of Cervantes 's Don Quixote , and his depictions of the knight and his squire , Sancho Panza , have become so famous that they have influenced subsequent readers , artists , and stage and film directors ' ideas of the physical `` look '' of the two characters .
His images of the knight and Sancho Panza have influenced later readers , artists , and stage and film directors ' ideas of how the two characters looked .