During the 1930s, the minotaur replaced the harlequin as a common motif in Picasso work. Pablo Picasso use of the minotaur came partly from his contact with the surrealists, who often used it as their symbol, and it appears in Picasso's Guernica. The minotaur and Picasso's mistress Marie-Thérèse Walter are heavily featured in his celebrated Vollard Suite of etchings.