 This comic had started by Frans Piët in 1938, and had been modernized with drawings by Jan Kruis and later Jan Steeman with writings by Martin Lodewijk.A longstanding cooperation with Wilbert Plijnaar and Jan van Die started under the name the Wiroja's.They established a new clear line-approach for the Sjors en Sjimmie comic, which was published from 1975 to 2001.