the line includes the secret of crazy cavern (1955), riddle of the sunken ship (1955), castle of curious creatures (1956) and mystery of the marble face (1956). it was often the case that friends on the next shift, who had been greeted on the way out, were left in the mine. built at the bottom of high cliffs, the town was once known as “the walled city." he remains the chairman of the group. however, his healthy appetite soon changed his appearance to that of a small, plump comic which set the style for his career. 